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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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Podcast: Blindingly Chatty – episode two

In this episode Laura and Mark talk about their dreams and how they see the world in sleep. Mark is living with retinitis pigmentosa so his sight has deteriorated over his life, whereas Laura lost her sight at a very young age. They also briefly cover Charles Bonnet Syndrome (CBS).

Knowledge-base: Alstrom syndrome

Alstrom syndrome

Alstrom syndrome is an inherited condition which affects many body systems.

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

Usher syndrome

Usher syndrome is an inherited condition that affects both hearing and vision. The symptoms of Usher syndrome consist of childhood-onset hearing loss, progressive vision loss caused by degeneration of the retina (retinitis pigmentosa), and sometimes balance problems.

Knowledge-base, Bardet-biedl syndrome

Bardet-Biedl syndrome (BBS)

Bardet-Biedl syndrome (BBS) is an inherited condition which impacts many parts of the body including the retina.

A man looking into an eye examination device

NARP syndrome

People with NARP (Neuropathy, Ataxia and Retinitis Pigmentosa) syndrome have neurological (muscle weakness, epilepsy and memory problems) and balance problems in addition to retinitis pigmentosa.

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).