1. Senile lens and senile macular changes in a population-based sample;Sperduto;Am J Ophthalmol,1980
2. Color and solubility of the proteins of human cataracts;Pirie;Invest Ophthalmol,1968
3. Classification of human cataracts;Chylack;Arch Ophthalmol,1978
4. Spectroscopic evaluation and classification of the normal, aging, and cataractous lens;Lerman;Ophthalmic Res,1976
5. Classification of human senile cataractous change by the American Cooperative Cataract Research Group (CCRG) method. I. Instrumentation and technique;Chylack;Invest Ophthalmol Vis Sci,1983