retinitis pigmentosa retinitis pig·men·to·sa (pĭg'mən-tō'sə, -měn-)
A hereditary degenerative disease of the retina, producing conditions such as night blindness, pigmentation changes in the retina, narrowing of the visual field, and the eventual loss of vision. Also called pigmentary retinopathy, tapetoretinal retinopathy.
|retinitis pigmentosa (rět'n-ī'tĭs pĭg'měn-tō'sə) Pronunciation Key
A hereditary degenerative disease of the retina, characterized by difficulty seeing at night, pigmentary changes within the retina, and eventual loss of vision.