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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).

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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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 Alström syndrome, inherited progressive eye disease is accompanied by obesity, hearing loss, diabetes, and heart problems.

In this condition RP is accompanied by abnormalities of the fingers and/or toes, obesity, kidney disease and sometimes developmental delay and learning difficulties.

UK researchers have discovered that passing a weak electrical current between electrodes on a person’s scalp may lead to a reduction in frequency of the visual hallucinations experienced by some people living with sight loss.

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• Charles Bonnet Syndrome

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.

Inherited progressive sight loss is caused by a range of rare genetic conditions. We specialise in those which affect the retina.

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.