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Ride Reigate 2025

This popular cycle sportive event offers 3 scenic routes and with 100K, 50K and family friendly 25K routes, this event offers something for everyone and you could be taking part this summer as part of #TeamRetinaUK.

Ultra Challenge

Ultra Challenges 2025

With 18 events to choose from in 2025, these hugely popular events are back for another year! Whether you run, jog or walk, you can support Retina UK's vital work whilst achieving an amazing personal goal. Join #TeamRetinaUK today!

Ultra Challenge

Ultra Challenges 2025

With 18 events to choose from in 2025, these hugely popular events are back for another year! Whether you run, jog or walk, you can support Retina UK's vital work whilst achieving an amazing personal goal. Join #TeamRetinaUK today!

Tough Mudder

Tough Mudder 2025

With various events to choose from in 2025, these hugely popular events are back for another year! Round up your friends, family members and colleagues and join #TeamRetinaUK for a fun day out!

A high power image showing the position of a single transplanted photoreceptor cell (green) making new connections with bipolar cells in the recipient retina (cyan).

Stem cells

Stem cells are a special type of cell, which under the right conditions can be encouraged to grow into any other type of cell in the body, including retinal cells (rods, cones and retinal pigment epithelial cells).