色素性視網膜炎(retinitis pigmentosa)的典型三特徵(classical triad)不包含:
骨刺狀黑色素沉積(retinal bone-spicule pigmentation)
視神經蒼白化(waxy pallor of the optic disc)
小動脈變細(arteriolar attenuation)
黃斑部水腫(macular edema)