The effects of Age-related Macular Degeneration, cataracts and glaucoma don't change because of lockdown.
And people with some conditions are worried that the cancellation of existing appointments to prevent the spread of Coronavirus could mean an irreversible loss of vision. President of the Royal College of Ophthalmologists Dr Michael Burdon is on hand to explain what you should expect when it comes to cancellations, but also what happens if a consultant decides you should definitely be seen.

Gary Ankin is one of many guide dog users who has found himself having to cope without a dog. He was about to take ownership of a new one, and he tells us how people like him are managing now that training has been paused.

And one more in our series of blind characters from history who raise the spirits - John Fielding - the astonishing magistrate who became known as the Blind Beak of Bow Street. Think of an 18th Century Sherlock Holmes crossed with a reform activist and you're nearly there.

Presented by Peter White
Produced by Kev Core