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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).

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).

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

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.

In Refsum syndrome, visual impairment is accompanied by hearing loss, neurological problems, heart problems, dry or flaky skin, loss of sense of smell, and oddly shaped red blood cells.

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.

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).

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

Prof Dominic Ffytche will provide an explanation of what Charles Bonnet Syndrome is, the science behind it, and share some potential coping strategies for people who experience visual hallucinations.

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