Retinitis pigmentosa is a group of inherited degenerative retinal disorderscharacterized by loss of functions of photoreceptor and pigmentary epitheliuni.

• 视网膜色索变性（Retinitis Pigmentosa，RP）是一组以进行性感光细胞及色素上皮功能丧失为共同表现的遗传性视网膜变性疾病。