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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.

Retina UK Knowledge-base: Rare syndromes

Rare syndromes

These very rare syndromes (NARP, Bassen-Kornweig, PXE, Norrie) affect the eyes as well as other parts of the body.

An illustration of Charles Bonnet syndrome. Thanks to Jeremy Webb Photography

Charles Bonnet syndrome (CBS)

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

Knowledge-base: Alstrom syndrome

Alstrom syndrome

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

Retina UK Sight Loss Survey 2025 Findings from our survey of over 600 people living with inherited sight loss. June 2025

Retina UK Sight Loss Survey

We carried out our first Sight Loss Survey in 2019 and used what we learned to improve our support. It was repeated in 2022 and in 2025. These are the findings.

Lottery balls in lots of different bright colours with different numbers printed on them in black

Lottery

Do you want to win up to £25,000 and feel good about supporting people with inherited progressive sight loss?! 50+ Retina UK supporters have won a cash prize so far.