Josie Long presents tales from after the lights go out.
Ethan, a 10-year-old blind boy and gifted musician, learns echolocation from Daniel Kish.
Peter White and Sue Townsend discuss his pet hate: being introduced to other blind people.
The story of SB, who had his sight restored after over 50 years of blindness.
Jay Rayner asks what compels people to look at horrific things.
Close your eyes, take a breath. Artist Stephanie Smith invites you to draw in the dark.
A whale biologist is among those who reveal there is more to listening than hearing.
Dr Mark Porter reports on the latest treatments for eye conditions.
Dr Mark Porter looks at a new test for the eye disease glaucoma.
Clare walks with veteran long-distance walker Scott Cunningham and his 'best mate', Travis
Dr Mark Porter investigates the latest treatments for problems with the lens of the eye.
Clare Balding walks in north Wales in the company of three generations of the same family.
Mary is 86 and faces losing her driving licence if she fails her next eye test.