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| Name | Class |
|---|---|
| targomedGmbH | INDUSTRY |
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This study is a multicentric, prospective, randomised, controlled, post-market clinical follow up (PMCF) study to investigate safety, visual outcomes and contrast sensitivity after bilateral implantation of either LuxSmart IOLs (study group) or LuxGood IOLs (control group).
This study is a multicentric, prospective, randomised, controlled, post-market clinical follow up (PMCF) study whereby subjects undergoing routine cataract surgery will have bilateral implantation of either LuxSmart IOLs (study group) or LuxGood IOLs (control group).
The subjects will be randomized in a 1:1 ratio to receive the study or control lenses.
Both study and control IOLs, are CE approved The study and control IOLs, and all devices used for the study examinations, will be used within the intended use specifications from the manufacturer. In addition, no invasive or other burdening examinations will occur for the subject.
The study device (LuxSmart) is a hydrophobic, premium monofocal intraocular lens (IOL) manufactured by the sponsor of this study. The control lens (LuxGood) is the monofocal parent lens sharing the same material and optic design but with slight differences in the optic design. The IOLs will be implanted as part of the routine cataract surgery on subjects suffering from cataract. The targeted study cohort represents the standard subject cohort for cataract surgery.
In total 238 subjects will be enrolled for this clinical study and receive bilateral implantation of the study or control lens based on a 1:1 randomization given by the EDC.
Subjects participating in the trial will attend a total of 6 to 10 study visits (1 preoperative, 1 or 2 operative and 4 - 7 postoperative visits that may be carried out at the same day if requirements allow) over a period of 6 months.
Data analyses will be performed after the last patient finished the 120-180 days postoperative examination.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| IOL implantation experimental | Experimental | Experimental arm: Premium monofocal intraocular lens LuxSmart |
|
| IOL implantation active comparator | Active Comparator | Comparator arm: Monofocal intraocular lens LuxGood |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Implantation of premium monofocal IOL, LuxSmart (device under investigation) | Device | Patients will be implanted with study IOL in both eyes |
|
| Measure | Description | Time Frame |
|---|---|---|
| Primary Safety Endpoint: Mean Corrected Distance Visual Acuity | The primary safety endpoint is to show that the mean monocular Corrected Distance Visual Acuity (CDVA) at at 120-180 days postoperative is statistically non-inferior to outcomes obtained in the control group using a non-inferiority margin of 0.1 logMAR, a 1-sided test and a significance level of 0.05. This analysis will be done for first implanted eyes as well as all implanted eyes per subject. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Monocular Contrast Sensitivity - Between-group mean difference | The co-primary safety endpoint is to compare the outcomes on monocular contrast sensitivity under mesopic light conditions (with and without glare) between the study and the control group at 120-180 days postoperative. This analysis will be done for first implanted eyes per subject. The following Log Contrast Sensitivity Analysis will be performed: - Between-group mean difference in log contrast sensitivity with 90% non-parametric confidence interval for each spatial frequency. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Monocular Contrast Sensitivity - descriptive statistics | The co-primary safety endpoint is to compare the outcomes on monocular contrast sensitivity under mesopic light conditions (with and without glare) between the study and the control group at 120-180 days postoperative. This analysis will be done for first implanted eyes per subject. The following Log Contrast Sensitivity Analysis will be performed: - Provide descriptive statistics for the log contrast sensitivity for each group (mean, SD, median, 0th, 25th, 50th 75th, and 100th percentiles) and for each spatial frequency. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Monocular Contrast Sensitivity - frequency with glare | The co-primary safety endpoint is to compare the outcomes on monocular contrast sensitivity under mesopic light conditions with glare between the study and the control group at 120-180 days postoperative. This analysis will be done for first implanted eyes per subject. The following Log Contrast Sensitivity Analysis will be performed: - The percentage of eyes that can and cannot see the reference pattern for each spatial frequency. |
| Measure | Description | Time Frame |
|---|---|---|
| Secondary Safety Endpoint: Best Corrected Distance Visual Acuity compared to historical data | The objective is to compare best corrected distance visual acuities (CDVA) above defined thresholds of the investigational product to the normative data stated in the according ISO norm (EN ISO 11979-7:2018) for posterior chamber intraocular lenses. | 120-180 days postoperative |
| Measure | Description | Time Frame |
|---|---|---|
| Binocular best-corrected distance defocus | In addition to the co-primary study endpoint on monocular defocus, binocular best-corrected distance defocus testing will be performed. The defocus range where the mean visual acuity of 0.2 logMAR or better is achieved will be derived by visual inspection of the mean defocus curve. The monocular depth of focus for the eyes implanted with the study device needs to be at least 0.5 D greater than the depth of focus for the eyes implanted with the control device at 0.2 logMAR [4]. All measured outcomes data will be statistically compared to outcomes obtained in the control group. |
Inclusion Criteria:
Exclusion Criteria:
In addition to above mentioned in- and exclusion criteria, subjects shall be discontinued when certain conditions are present at the time of surgery, including:
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| Name | Affiliation | Role |
|---|---|---|
| Burkhard Dick, Prof. | Universitätsklinikum Knappschaftskrankenhaus Bochum GmbH | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Univ.-Klinik fuer Augenheilkunde und Optometrie | Vienna | 1090 | Austria | |||
| Gemini Eye Clinic Vyškov |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 20505205 | Background | McAlinden C, Pesudovs K, Moore JE. The development of an instrument to measure quality of vision: the Quality of Vision (QoV) questionnaire. Invest Ophthalmol Vis Sci. 2010 Nov;51(11):5537-45. doi: 10.1167/iovs.10-5341. Epub 2010 May 26. | |
| 19251145 | Background | Lundstrom M, Pesudovs K. Catquest-9SF patient outcomes questionnaire: nine-item short-form Rasch-scaled revision of the Catquest questionnaire. J Cataract Refract Surg. 2009 Mar;35(3):504-13. doi: 10.1016/j.jcrs.2008.11.038. |
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This study is planned as a double-masked study. The subjects will not be informed about the implanted lens before exiting the study. Only the investigator implanting the lens as well as one administrative person will know about the arm, the subject is assigned to. Outcome assessors will not be able to receive information about the implanted lens. Data analyst will get to know about the patient assignment after data evaluation only.
| Implantation of monofocal IOL, LuxGood (control device) | Device | Patients will be implanted with Control IOL in both eyes |
|
| 120-180 days postoperative |
| Co-Primary Safety Endpoint: Monocular Contrast Sensitivity - frequency without glare | The co-primary safety endpoint is to compare the outcomes on monocular contrast sensitivity under mesopic light conditions without glare between the study and the control group at 120-180 days postoperative. This analysis will be done for first implanted eyes per subject. The following Log Contrast Sensitivity Analysis will be performed: - The percentage of eyes that can and cannot see the reference pattern for each spatial frequency. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Best Corrected Distance Visual Acuity compared to historical data | The objective is to compare best corrected distance visual acuities (CDVA) above defined thresholds of the investigational product to the normative data stated in the according ISO norm (EN ISO 11979-7:2018) for posterior chamber intraocular lenses. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Rates of Adverse Events | The objective is to compare the SPE (Safety and Performance Endpoints) rates of the investigational product to reference data stated in the according ISO standard for posterior intraocular lenses (EN ISO 11979-7:2018) based on minimum 100 subjects. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Incidence of all SAE | The incidence of all Serious Adverse Events, including Secondary Surgical Interventions (SSIs) related to the optical properties of the IOL, in first-implanted eyes as well as all implanted eyes will be collected through Post-Operative Visit 4 (120 to 180 days after first and second eye implantation). The proportion of first implanted eyes and all implanted eyes with at least one serious adverse event will be summarized using categorical summary statistics by treatment received. Each eye will be counted only once in the calculation of the rate. There is no statistical hypothesis associated with the proportion of first implanted eyes with at least one serious adverse event. | 120-180 days postoperative |
| Co-Primary Safety Endpoint: Rate of SSI Related to Optical Properties of the IOL | The rate of SSIs related to the optical properties of the IOL for first-implanted eyes as well as all implanted eyes will be reported through 120 to 180 days after first and second eye implantation. Secondary surgical interventions related to the optical properties of the IOL will be defined as IOL explantation, replacement, or repositioning due to subject intolerance of visual symptoms not adequately improved by spectacle correction. Each eye will be classified as either having undergone a secondary surgical intervention related to the optical properties of the IOL or not having undergone such an intervention. Secondary surgical interventions related to the optical properties of the IOL will be summarized categorically (Yes, No) by actual treatment received in a table. | 120-180 days postoperative |
| Primary Performance Endpoint: Mean Distance Corrected Intermediate Visual Acuity | The primary efficacy endpoint is to show that the monocular Distance Corrected Intermediate Visual Acuity (DCIVA) at 120-180 days postoperative is statistically superior to outcomes obtained in the control group (1 sided test using significance of 0.025). To avoid bias, only the first implanted eye per subject will be considered for this calculation. | 120-180 days postoperative |
| Co-Primary Performance Endpoint: Cumulative Distance Corrected Intermediate Visual Acuity | One co-primary efficacy endpoint is to show that the outcomes of the study device on monocular Distance Corrected Intermediate Visual Acuity (DCIVA) at 66 cm at 120-180 days postoperative needs to have at least 50% of eyes achieving 0.2 logMAR or better. To avoid bias, only the first implanted eye per subject will be considered for this calculation. | 120-180 days postoperative |
| Co-Primary Performance Endpoint: Monocular best-corrected distance defocus | Monocular best-corrected distance defocus testing will be performed. The defocus range where the mean visual acuity of 0.2 logMAR or better is achieved will be derived by visual inspection of the mean defocus curve. The monocular depth of focus is defined as the defocus range from zero to the first negative vergence level, where the visual acuity is 0.2 logMAR or less. One co-primary efficacy endpoint is to show that the monocular depth of focus for the eyes implanted with the study device is at least 0.5 D greater than the depth of focus for the eyes implanted with the control device at 0.2 logMAR. | 120-180 days postoperative |
| Secondary Performance Endpoint: Distance Corrected Near Visual Acuity (DCNVA) | Secondary performance endpoint is to show a statistically significant increase between pre-and postoperative findings on monocular Distance Corrected Near Visual Acuity (DCNVA) under photopic light conditions on the first implanted eye. | 120-180 days postoperative |
| Secondary Performance Endpoint: Distance Corrected Intermediate Visual Acuity (DCIVA) | Secondary performance endpoint is to show a statistically significant increase between pre-and postoperative findings on monocular Distance Corrected Intermediate Visual Acuity (DCIVA) under photopic light conditions on the first implanted eye. | 120-180 days postoperative |
| 120-180 days postoperative |
| Manifest refraction | The manifest refraction is measured by means of a phoropter. The data contains values for sphere, cylinder and axis of cylinder according to ISO 11979-7:2018. This data will also be used to calculate the manifest refractive spherical equivalent (MRSE) | Preoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Adjusted Mean Refractive Spherical Equivalent (MRSE) | The predictability of the postoperative manifest refraction will be evaluated using the absolute value of the adjusted MRSE calculated by the following formula: MRSEadjusted = MRSEpostop - MRSEtarget. | 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Monocular Uncorrected Distance Visual Acuity (UDVA) under photopic light conditions | Monocular UDVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 4m distance according to ISO 11979-7:2018. This assessment is done monocularly under photopic light conditions. | Preoperative, 1-2 days postoperative; 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Binocular Uncorrected Distance Visual Acuity (UDVA) under photopic light conditions | Binocular UDVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 4m distance according to ISO 11979-7:2018. This assessment is done binocularly under photopic light conditions. | 120-180 days postoperative |
| Monocular Corrected Distance Visual Acuity (CDVA) under photopic light conditions | Monocular CDVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 4m distance with best aided corrective glasses according to ISO 11979-7:2018. This assessment is done monocularly under photopic light conditions. | Preoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Monocular Corrected Distance Visual Acuity (low contrast CDVA) using low contrast (10%) optotypes under photopic light conditions | Monocular CDVA using low contrast (10%) optotypes is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 4m distance with best aided corrective glasses according to ISO 11979-7:2018. This assessment is done monocularly under photopic light conditions. This test is performed using a low-contrast acuity chart with 10% contrast (using the Weber definition: [background - optotype]/background). | 120-180 days postoperative |
| Binocular Corrected Distance Visual Acuity (CDVA) under photopic light conditions | Binocular CDVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 4m distance with best aided corrective glasses according to ISO 11979-7:2018. This assessment is done binocularly under photopic light conditions. | 120-180 days postoperative |
| Monocular Uncorrected Intermediate Visual Acuity (UIVA) under photopic light conditions | Monocular UIVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 66cm distance according to ISO 11979-7:2018. This assessment is done monocularly under photopic light conditions. | 30-60 days postoperative, 120-180 days postoperative |
| Binocular Uncorrected Intermediate Visual Acuity (UIVA) under photopic light conditions | Binocular UIVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 66cm distance according to ISO 11979-7:2018. This assessment is done binocularly under photopic light conditions. | 120-180 days postoperative |
| Binocular Uncorrected Near Visual Acuity (UNVA) under photopic light conditions | Binocular UNVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 40cm distance according to ISO 11979-7:2018. This assessment is done binocularly under photopic light conditions. | 120-180 days postoperative |
| Monocular Distance Corrected Intermediate Visual Acuity (DCIVA) under photopic light conditions | Monocular DCIVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 66cm distance with corrective glasses for far distance according to ISO 11979-7:2018. This assessment is done monocularly under photopic light conditions. | 30-60 days postoperative, 120-180 days postoperative |
| Monocular Distance Corrected Intermediate Visual Acuity (DCIVA) under mesopic light conditions | Monocular DCIVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 66cm distance with corrective glasses for far distance according to ISO 11979-7:2018. This assessment is done monocularly under mesopic light conditions. | 120-180 days postoperative |
| Monocular Distance Corrected Intermediate Visual Acuity (low contrast DCIVA) using low contrast (10%) optotypes under photopic light conditions | Monocular DCIVA using low contrast (10%) optotypes is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 66cmm distance with corrective glasses for far distance according to ISO 11979-7:2018. This assessment is done monocularly under photopic light conditions. This test is performed using a low-contrast acuity chart with 10% contrast (using the Weber definition: [background - optotype]/background). | 120-180 days postoperative |
| Binocular Distance Corrected Intermediate Visual Acuity (DCIVA) under photopic light conditions | Binocular DCIVA is measured using the Clinical Trial Suite (M&S Technologies, Niles, USA) placed in 66cm distance with corrective glasses for far distance according to ISO 11979-7:2018. This assessment is done binocularly under photopic light conditions. | 120-180 days postoperative |
| Binocular Distance Corrected Near Visual Acuity (DCNVA) under photopic light conditions | Binocular DCNVA is measured with ETDRS charts placed in 40cm distance with corrective glasses for far distance according to ISO 11979-7:2018. This assessment is done binocularly under photopic light conditions. | 120-180 days postoperative |
| Subject Symptom Assessment | Subject ocular and visual symptoms are collected at each postoperative visit through the use of non-directed questions. Responses will be recorded and characterized by severity (mild, moderate, severe) and divided into distinct groups of symptoms (halo, glare, ocular pain, ocular dryness, other). The percentage of eyes with ocular and visual symptoms will be reported divided into the mentioned severity levels and symptom groups. No scoring or scaling is used for this type of symptom assessment. All data obtained in the study group will be statistically compared to outcomes obtained in the control group. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Patient reported outcomes - Quality of Vision questionnaire | To assess the subjective perception of disturbances by photic phenomena, the validated and verified Quality of Vision (QoV) questionnaire will be used. This questionnaire is a linear-scaled 30-item instrument and is designed with 10 symptoms rated in each of three scales (frequency, severity, and bothersome). Each of the three scales provides 4 answer options with the first answer being the best outcome and the 4th answer being the worst outcome:
Based on the given answers, a QoV score in terms of symptom frequency, severity, and bothersome is calculated. The score ranges from 0 to 100 with 100 being the worst possible outcome. | 30-60 days postoperative, 120-180 days postoperative |
| Patient reported outcomes - Catquest-9SF 2011 questionnaire | To assess if difficulties in daily life occur due to impaired sight. This questionnaire is a 9-item Rasch-scaled instrument to assess subjective perception of visual impairment after surgery. Each item has 4 answer options ranging from 'Yes, very great difficulty' to 'No, no difficulty'. with first answer being the best outcome and the last answer being the worst outcome. In addition, the subjects can state, that they cannot decide on the answer. The percentage of subjects per item will be reported per answer option. No scoring or scaling is used for this type of symptom assessment. All data obtained in the study group will be statistically compared to outcomes obtained in the control group. | 30-60 days postoperative, 120-180 days postoperative |
| Pupil Size under photopic light conditions | Photopic pupil diameters are measured with a ruler allowing for a precision of at least +/-0.5 mm. In addition to the measurement with a ruler, pupil diameters under photopic light conditions will be recorded from the preoperative Pentacam measurement. For the photopic pupil diameters, eye illumination should be identical to that used for photopic contrast sensitivity testing. Pupil measurements should only be made after the eye has had time to fully adapt to the testing conditions (at least 5 minutes). The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | preoperative, 120-180 days postoperative |
| Pupil Size under mesopic light conditions | Mesopic pupil diameters are measured with a ruler allowing for a precision of at least +/-0.5 mm. For the mesopic pupil diameters, eye illumination should be identical to that used for mesopic contrast sensitivity testing. Pupil measurements should only be made after the eye has had time to fully adapt to the testing conditions (at least 5 minutes). The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | preoperative, 120-180 days postoperative |
| Fundus examination with dilated pupil | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: • Fundus | preoperative, 120-180 days postoperative |
| Slitlamp examination - Corneal status | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: • Corneal Status | Preoperative, 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - Iris status | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: • Iris Status | Preoperative, 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - Signs of inflammation | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp:
| Preoperative, 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - Pupillary block | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - Pupillary block. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - Retinal detachment | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - Retinal detachment. | preoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - Status of anterior and posterior capsule | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - Status of anterior and posterior capsule. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - IOL decentration | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - IOL decentration. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - IOL tilt | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - IOL tilt. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - IOL discoloration | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - IOL discoloration. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Slitlamp examination - IOL opacity | The slitlamp examination is one examination to analyse the integrity of eye structures and the implanted IOL. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. With the slitlamp the ophthalmologist can observe the eyes stereoscopically. A focussed slit of light, which can be width-adjusted, is projected on the eye to be examined. The investigator observes this projection on the eye through a reflected light microscope. The slitlamp is used to observe the anterior and posterior part of the eye, including cornea, lens and anterior chamber. By dilating the pupil the fundus can also be examined. Following conditions shall be examined with the slitlamp: - IOL opacity. | 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Intraocular pressure (IOP) measurement | The IOP will be measured with non-contact tonometer as part of the routine follow up examinations. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | Preoperative, 1-2 days postoperative, 7-14 days postoperative, 30-60 days postoperative, 120-180 days postoperative |
| Keratometry | Keratometric measurements are performed to calculate the required IOL power. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | Preoperative |
| IOL power | The power of the implanted IOL will be recorded. | during surgery |
| Target refraction | The target refraction given by the IOL calculator is recorded. This parameter is needed to calculate the accuracy of achieving the target refraction. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | during surgery |
| Fundus OCT | An OCT (optical coherence tomography) image will be taken at the preoperative visit to identify AMD suspicious eyes that need to be excluded from this study. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | Preoperative |
| Biometry | Biometry measurements are performed to calculate the required IOL power. The examination is performed and documented according to the guidelines in ISO 11979-7:2018. | Preoperative |
| Corneal topography | Pentacam device (Oculus, Germany) will be used to perform corneal topography. This examination is needed to exclude patients showing an irregular corneal astigmatism. | Preoperative |
| Corneal aberrometry | Pentacam device (Oculus, Germany) will be used to perform corneal aberrometry measurement. The following values will be evaluated in this study: Spherical aberrations, high order aberrations. | Preoperative |
| Halo and glare scores | A Halo and Glare simulator software (Eyeland Design Network GmbH, Germany) will be used to assess the subjective perception of photic phenomena. The patients will be asked to adjust the halo and glare level in a simulated image to the amount they perceive of such photic phenomena. The scaling ranges from 0 to 100 with 0 indicating no halo or glare and 100 being the worst outcome. All data obtained in the study group will be statistically compared to outcomes obtained in the control group. | 30-60 days postoperative |
| Vyškov |
| 682 01 |
| Czechia |
| Gemini Eye Clinic Zlín | Zlín | 760 01 | Czechia |
| Augenklinik Ahaus | Ahaus | 48683 | Germany |
| Univ.-Klinikum Knappschaftskrankenhaus Bochum | Bochum | 44892 | Germany |
| Asian Eye Institute | Makati City | Manila | 1200 | Philippines |
| Tan Tock Seng Hospital | Singapore | 308433 | Singapore |
| Hospital Miguel Servet | Zaragoza | 50009 | Spain |
| ID | Term |
|---|---|
| D002386 | Cataract |
| ID | Term |
|---|---|
| D007905 | Lens Diseases |
| D005128 | Eye Diseases |
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