retinitis pigmentosa/therapy 基本例句 视网膜炎;色素性/治疗 Irregular patches of exposed white choroid surrounded by black pigment granules are occasionally seen as a result of damage to the retina by non-specific choroid retinitis.由于非特异性脉络膜视网膜炎损害视网膜的结果,有时可见白色脉络膜上出现不规则的斑块,外围是黑色素颗粒。