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Editor,—It is well known that patients with glaucoma develop defects in their field of vision. It is generally assumed that these defects interfere with the affected individual’s visual function.
This study explored the relation between visual field loss and the perception of visual disabilities in patients with glaucoma.
A questionnaire designed to identify vision associated limitations in daily activities (VALDA, Table 1) was applied to 231 patients with glaucoma who had reliable computerised visual field examination with the Humphrey 24–2 program.1-6 Visual field loss was quantitatively evaluated (“mean deviation” (MD) and “pattern standard deviation” (PSD)). The relation between the presence of VALDA and visual field defects, visual acuity, and age was investigated.
There were 91 (39.4%) males and 140 (60.6%) …