Persons with glaucoma are much better informed about the disease than nonglaucoma patients, but the general level of knowledge is very low. Notably, younger patients were better informed than older ones. The present study, comprising a large number of patients, revealed poor knowledge of glaucoma among patients with the disease and especially among nonglaucoma patients in Vienna.

A large number of patients seemed to need additional information. We suggest that ophthalmologists provide general information concerning AMD to their patients every 3 to 5 years. Information about aid organizations specializing in visual impairment could also be provided. Well-informed patients would be better able to follow their physician's instructions and would have a better understanding of their disease, particularly for the sake of therapy.