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Retina UK Knowledge-base: Retinitis pigmentosa (RP)

Classic retinitis pigmentosa

Retinitis pigmentosa (RP) is an inherited eye condition that affects the photoreceptor cells responsible for capturing images from the visual field.

Retina UK Knowledge-base: Rare syndromes

Rare syndromes

These very rare syndromes(NARP, Bassen-Kornweig, PXE, Norrie) affect the eyes as well as other parts of the body.

Retina UK Knowledge-base: Usher syndrome

Usher syndrome

Usher syndrome is an inherited condition that affects both hearing and vision.

Retina UK Knowledge-base: Choroideremia

Choroideremia

Choroideremia is a genetic condition that causes progressive vision loss, mostly in males.

Retina UK Knowledge-base: Refsum syndrome

Refsum syndrome

Refsum syndrome is an inherited metabolic condition, associated with elevated phytanic acid plasma levels, which impacts many body systems.

A man looking into an eye examination device

Bassen-Kornweig syndrome

In this condition, retinitis pigmentosa is accompanied by progressive neurological problems, abnormal red blood cells (acanthocytosis) and defective bowel absorption of fat, leading to very low blood levels of cholesterol and absent beta lipoprotein (Abetalipoproteinaemia).

Rod-cone dystrophy

Rod-cone dystrophy is an umbrella term used to describe retinal conditions in which the rod-shaped photoreceptors, found mainly in the peripheral areas of the retina, degenerate ahead of the cone-shaped photoreceptors in the centre.