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retinitis pigmentosa

[ pig-men-toh-suh, -muhn- ]

noun

, Ophthalmology.
  1. degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.

retinitis pigmentosa

/ ˌpɪɡmənˈtəʊsə /

noun

  1. a degenerative hereditary disease of the human eye, characterized by pigmentary changes in the retina, night blindness, and eventual loss of vision

retinitis pigmentosa

/ rĕt′n-ī′tĭspĭg′mĕn-tō′sə /

  1. A hereditary degenerative disease of the retina, characterized by difficulty seeing at night, pigmentary changes within the retina, and eventual loss of vision.

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Word History and Origins

Origin of retinitis pigmentosa1

1860–65; < New Latin: pigmentary retinitis. See pigment, -ose 1

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Word History and Origins

Origin of retinitis pigmentosa1

C19: pigmentosa , feminine of Latin pigmentosus

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