Canadian Medical Guide > Diseases > Eye Diseases > Retinal Diseases > Retinal Degeneration Terms and Definitions

Retinal Degeneration

Medical Definition:	A retrogressive pathological change in the retina, focal or generalized, caused by genetic defects, inflammation, trauma, vascular disease, or aging. Degeneration affecting predominantly the macula lutea of the retina is MACULAR DEGENERATION. (Newell, Ophthalmology: Principles and Concepts, 7th ed, p304)
Guide Notes:	retinal dystrophy or macular dystrophy: index under RETINAL DEGENERATION or MACULAR DEGENERATION relying on text & refs
Previously Indexed:	Eye Diseases (1966-1967),Retina (1966-1967)

Retinal Degeneration Categories.

	Macular Degeneration - Degenerative changes in the macula lutea of the retina.
	Retinal Drusen - Colloid or hyaline bodies lying beneath the retinal pigment epithelium. They may occur either secondary to changes in the choroid that affect the pigment epithelium or as an autosomal dominant disorder of the retinal pigment epithelium.
	Retinoschisis - A vitreoretinal dystrophy characterized by splitting of the neuroretinal layers. It occurs in two forms: degenerative retinoschisis and X chromosome-linked juvenile retinoschisis.

Retinal Degeneration Medical Definitions and Terms

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