The degree at which cataract surgery improves visual function in patients with advanced age-related macular degeneration (Advanced AMD) has been an on-going topic of discussion. Our objective in this study is to determine if patients with Advanced AMD and concurrent cataracts will experience greater improvement in their quality of life from having cataract surgery on one or both eyes. The findings from this project will provide evidence for clinical decision making on whether performing bilateral cataract surgery on Advanced AMD patients is cost-effective and worth the second surgical intervention.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Patients with bilateral Advanced Age-related macular degeneration and concurrent cataracts will be receiving bilateral cataract surgery
Life style Questionnaire to determine change in visual function.
Our primary outcome will be a life style questionnaire (qualitative) to determine the change in visual function from baseline to after surgery. This questionnaire includes 25 close-ended questions that are graded on a 5 point grading scale from 1 (great difficulty due to vision) and 5 (no problem due to vision). The questions can also be graded as not applicable to an individuals life, or 0 being something there are no longer possible to do, due to vision. The 25 close-ended questions are divided into 4 sub-scales: 1. Distance Vision, Mobility, and Lighting (Q: 1-12) 2. Adjustment (Q:13-16) 3. Reading and Fine Work (Q: 17-21) 4. Activities of Daily Living (Q: 22-25) A total score can range from a 125 indicating best visual function to 0 indicating complete loss of visual function.
Time frame: Through study completion, an average of 1 year
Snellens Chart to determine change in visual acuity
Quantitative measure of a patients visual acuity. Change from baseline visual acuity to after surgery on both eyes.
Time frame: Through study completion, an average of 1 year
Auto Refractive to determine change in visual acuity
An auto-refractor is a computerized machine to measure patients visual acuity. Change from baseline visual acuity to after surgery on both eyes.
Time frame: Through study completion, an average of 1 year
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