A shekara ta 1975, an gano yana da cutar glaucoma sannan kuma ya kamu da cutar cataract a idanunsa biyu.
Tabbas, wani nau'i mai rikitarwa na jumla shine "A 1975, an gano shi da glaucoma sannan kuma cataracts a idanu biyu, kuma ta 1983 bai iya yin wani microscopy ba. "