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To evaluate the visual performance after bilateral implantation of multifocal intraocular lenses.
This study evaluates the visual performance after bilateral implantation of multifocal intraocular lenses (IOL). This prospective study is performed at the department of Ophthalmology, Goethe University, Frankfurt, Germany.
Patients who received bilateral implantation of a multifocal intraocular lens pre-enrollment were included consecutively. Exclusion criteria were previous ocular surgeries excluding cataract surgery and refractive lens exchange, regular corneal astigmatism of >1.5 diopter, and ocular pathologies or corneal abnormalities. At 3 months postoperative examination included manifest refraction; monocular and binocular uncorrected (UCVA) and distance-corrected (DCVA) visual acuity in at far, intermediate at near distance (logMAR); slit-lamp examination. 3 months postoperatively defocus testing, binocular contrast sensitivity (CS) under photopic and mesopic conditions, and a questionnaire on subjective quality of vision, optical phenomena, and spectacle independence were performed.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Femtosecond-laser-assisted lens exchange | Procedure | Bilateral implantation of multifocal intraocular lens (MIOL) following femtosecond-laser-assisted lens exchange |
| Measure | Description | Time Frame |
|---|---|---|
| Best corrected visual acuity at intermediate distance | Monocular and binocular corrected visual acuity at intermediate distance measured in logMAR 3 month after lens surgery | Measured 3 month after lens surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Best corrected visual acuity at far distance | Monocular and binocular best corrected visual acuity at far distance measured in logMAR 3 month after lens surgery | Measured 3 month after lens surgery |
| Best corrected visual acuity at near distance |
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Inclusion Criteria:
Exclusion Criteria:
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Patients who received bilateral cataract surgery or refractive lens exchange with the implantation of a multifocal intraocular lens
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| Name | Affiliation | Role |
|---|---|---|
| Thomas Kohnen, Professor | Goethe University Clinic Frankfurt | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of ophthalmology University clinic Frankfurt | Frankfurt am Main | Hesse | 60590 | Germany |
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| ID | Term |
|---|---|
| D017060 | Patient Satisfaction |
| ID | Term |
|---|---|
| D000074822 | Treatment Adherence and Compliance |
| D015438 | Health Behavior |
| D001519 | Behavior |
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Monocular and binocular best corrected visual acuity at near distance measured in logMAR 3 month after lens surgery
| Measured 3 month after lens surgery |
| Uncorrected visual acuity at far distance | Monocular and binocular uncorrected visual acuity at far distance measured in logMAR 3 month after lens surgery | Measured 3 month after lens surgery |
| Uncorrected visual acuity at intermediate distance | Monocular and binocular uncorrected visual acuity at intermediate distance measured in logMAR 3 month after lens surgery | Measured 3 month after lens surgery |
| Uncorrected visual acuity at near distance | Monocular and binocular uncorrected visual acuity at near distance measured in logMAR 3 month after lens surgery | Measured 3 month after lens surgery |
| Binocular contrast sensitivity (CS) under photopic, mesopic, and mesopic with glare lighting conditions | Binocular contrast sensitivity (CS) was measured under photopic, mesopic (0.167 cd/m²), and mesopic with glare lighting conditions by means of the "Frankfurt-Freiburg Contrast and Acuity Test System" (FF-CATS) | Measured 3 month after lens surgery |
| Defocus curve testing | Defocus curve (monocular and binocular) was tested from -5.0 D to +2.0 D in 0.5 D steps under photopic lighting conditions (ETDRS). | Measured 3 month after lens surgery |