Sight is the sense people fear losing the most, yet many of us don't know the best way to look after our eyes.
Take our quiz to see how much you really know about sight loss - and make today the day you book an eye test.
If you are worried about your eye sight and you'd like to speak to someone, please call our Helpline on 0303 123 9999 or email
helpline@rnib.org.uk