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To determine what effect a blue light filtering Intraocular Lens (IOL) has on macular pigment levels.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| AcrySof Natural Intraocular Lens | AcrySof Natural Intraocular Lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SN" | ||
| AcrySof clear intraocular lens | AcrySof clear intraocular lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SA" | ||
| Phakic patients | Phakic patients - Age matched patients who have not had cataract surgery |
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| Measure | Description | Time Frame |
|---|---|---|
| Photostress Recovery Time in Seconds. | The time necessary to recover function (e.g., contrast discrimination) following exposure to a bright glare source. | 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with existing bilateral Intraocular Lenses (IOLs) of given type, age-matched patients with normal vision and no cataract surgery.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Call Alcon Call Center for Study Locations | Fort Worth | Texas | 76134 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 19426959 | Derived | Hammond BR, Bernstein B, Dong J. The Effect of the AcrySof natural lens on glare disability and photostress. Am J Ophthalmol. 2009 Aug;148(2):272-276.e2. doi: 10.1016/j.ajo.2009.03.014. Epub 2009 May 7. |
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Subjects eligibility was determined at the preoperative visit. All subjects met inclusion/exclusion criteria.
Patients with existing bilateral intraocular lenses (IOLs) of given type, age-matched patients with normal vision and no cataract surgery.
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| ID | Title | Description |
|---|---|---|
| FG000 | AcrySof Natural Intraocular Lens | AcrySof Natural Intraocular Lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SN" |
| FG001 | AcrySof Clear Intraocular Lens | AcrySof clear intraocular lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SA" |
| FG002 | Phakic Patients | Phakic patients - Age matched patients who have not had cataract surgery |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | AcrySof Natural Intraocular Lens | AcrySof Natural Intraocular Lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SN" |
| BG001 | AcrySof Clear Intraocular Lens |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Photostress Recovery Time in Seconds. | The time necessary to recover function (e.g., contrast discrimination) following exposure to a bright glare source. | Posted | Mean | Standard Deviation | seconds | 3 months |
|
N/A - Not collected
Serious and/or other [non-serious] adverse events were not collected/assessed
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | AcrySof Natural Intraocular Lens | AcrySof Natural Intraocular Lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SN" |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Rick Potvin | Alcon Research, Ltd. | 817-551-4815 | Rick.Potvin@alconlabs.com |
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| ID | Term |
|---|---|
| D002386 | Cataract |
| ID | Term |
|---|---|
| D007905 | Lens Diseases |
| D005128 | Eye Diseases |
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AcrySof clear intraocular lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SA"
| BG002 | Phakic Patients | Phakic patients - Age matched patients who have not had cataract surgery |
| BG003 | Total | Total of all reporting groups |
| Participants |
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| Sex: Female, Male | Count of Participants | Participants |
|
| Phakic Patients |
Phakic patients - Age matched patients who have not had cataract surgery |
|
|
| 0 |
| 0 |
| 0 |
| 0 |
| EG001 | AcrySof Clear Intraocular Lens | AcrySof clear intraocular lens (IOL) - Patients with previous bilateral implant of any Alcon lens model starting with the letters "SA" | 0 | 0 | 0 | 0 |
| EG002 | Phakic Patients | Phakic patients - Age matched patients who have not had cataract surgery | 0 | 0 | 0 | 0 |
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