1. The relationship of age- related maculopathy, cataract, and glaucoma to visual acuity;Klein;Invest Ophthalmol Vis Sci,1995
2. Racial differences in the cause-specific prevalence of blindness in east Baltimore;Sommer;N Engl J Med,1991
3. Visual acuity and the causes of visual loss in Australia. The Blue Mountains Eye Study;Attebo;Ophthalmology,1996
4. Prevalence of ocular disease and blindness in a rural area in the eastern region of Iceland during 1980 through 1984;Jonasson;Acta Ophthalmol Suppl,1987
5. Causes of blindness and partial sight in England and Wales, 1990–91. Studies on medical and population subjects. No. 57;Evans,1995