fromwww.theguardian.com
3 weeks agoWear shades in winter and follow the 20-20-20 rule: experts on 13 ways to look after your eyes
The front of the eye, and the cornea in particular, has more nerve endings per millimetre square than anywhere else in the body, says Dr Dilani Siriwardena, a consultant NHS ophthalmologist at Moorfields eye hospital in London and vice-president of the Royal College of Ophthalmologists. So it can be very sensitive. The tiniest scratch or piece of grit in your eye can feel like a brick.
Medicine