"查查詞典"手機版
千萬人都在用的超大詞匯詞典翻譯APP
Progressive retinal atrophy (PRA) is a group of genetic diseases seen in certain breeds of dogs and, more rarely, cats. Similar to retinitis pigmentosa in humans, it is characterized by the bilateral degeneration of the retina, causing progressive vision loss culminating in blindness.
詳細(xì)百科解釋