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A view of a group of people seated all facing to the left of the image. The focus is on a lady holding a microphone. She has long dark hair

Joining the research effort

Many research studies could not take place without the participation of people living with inherited sight loss.

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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.

A man looking into an eye examination device

Charles Bonnet syndrome

Charles Bonnet syndrome (CBS) causes people who have lost a lot of sight to see things that aren’t real (hallucinations).