The most common type of age-related cataract, caused primarily by the hardening and yellowing of the lens over time, is "nuclear" cataract. “Nuclear” refers to the central portion of the lens, called ...

A 7-year-old girl first presented in January 2007 with bilateral cortical cataract combined with high hyperopia and astigmatism. The refractions were +3.75 spherical diopter (DS)/−1.75 diopter ...