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

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

Word History and Origins

Origin of retinitis pigmentosa¹

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

Word History and Origins

Origin of retinitis pigmentosa¹

C19: pigmentosa , feminine of Latin pigmentosus

Example Sentences

At the age of two, Toby Addison was diagnosed with early onset rod cone dystrophy and retinitis pigmentosa, which meant his eyesight would slowly deteriorate.

From BBC

McCausland, 47, was registered blind after losing his sight to retinitis pigmentosa in his 20s.

From BBC

He told the i newspaper in 2023 that he had lost his sight completely by the age of 22, from a hereditary condition called retinitis pigmentosa, which his grandmother and mother also had.

From BBC

McCausland was registered blind after gradually losing his sight to retinitis pigmentosa in his 20s and 30s.

From BBC

"We already knew that certain mutations in these subunits are linked to the eye disease retinitis pigmentosa," says Dr. Cristian Prieto-Garcia from the Institute of Biochemistry II, the first author of the study.

From Science Daily