Variables | Categories or unit of measures | References |
---|---|---|
Ocular conditions | Cataract; pseudophakic; glaucoma; age-related macular degeneration; other retinal degeneration | |
Use of bifocal / multifocal eyeglasses | Yes; no | |
Use of eye drops | Yes; no | Â |
Best corrected visual acuity in each eye | Decimals | |
Visual acuity loss | Decimals | [23] |
Recent refraction change | Yes; no | [23] |
Intraocular pressure | mmHg (average both eyes) | Â |
Better vision | Sunny day; rainy day; indifferent | Â |
Blindness effects | No; entering indoor; exit indor | Â |
Activity of day vision scale: Items: Driving at night Seeing moving objects with night driving Oncoming headlights Daytime driving Drive in unfamiliar areas Read signs at night Read signs during the day See/recognize faces See television Read writing on television Read newspapers Read medicine bottles Read food cans Write checks Thread a needle | 5 - no difficulty; 4 - little difficulty; 3- moderate difficulty; 2- extreme difficulty; 1- unable because of poor vision; Not Applicable (considered as missing data) | [24] |