Charles Bonnet syndrome
Charles Bonnet syndrome (CBS) causes people who have lost a lot of sight to see things that aren’t real (hallucinations).
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Charles Bonnet syndrome (CBS) causes people who have lost a lot of sight to see things that aren’t real (hallucinations).
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.
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Cataracts and macular oedema are both associated with inherited sight loss and may respond to treatment.
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Gyrate atrophy of the choroid and retina, shortened to gyrate atrophy, is an inherited disorder of protein metabolism characterised by progressive vision loss.
These very rare syndromes(NARP, Bassen-Kornweig, PXE, Norrie) affect the eyes as well as other parts of the body.
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).