By Vanessa Chalmers Health Reporter For Mailonline
Published: 09:35 BST, 13 August 2019 | Updated: 09:37 BST, 13 August 2019
The number of teenagers needing glasses has nearly doubled since 2012, a poll has suggested.
Around 35 per cent of 13 to 16 year olds in Britain were wearing glasses in 2018, up from 20 per cent six years earlier.
Scrivens Opticians, which commissioned the survey, believe it may be down to the amount of time teenagers spend on their screens.
Staring at mobiles, the TV or tablets cause the eyes to strain, which over a long period of time can cause damage.
The number of teenagers needing glasses has nearly doubled since 2012 and could be due to screen-time, according to opticians at Scrivens
Two-thirds of teenagers are being diagnosed as short-sighted, medically known as myopic, according to Scrivens.
The optometrists stressed the importance of regular eye checks, especially because it may not be obvious when eyesight is getting weaker.
Children may not complain about their sight or recognise symptoms of weaker eyes.
But they may show signs of being unable to see properly.
Things to look out for include:Sitting close to the TV Holding objects very close to their face Blinking a lot eye Rubbing One eye turning in or out
The NHS recommends that you should get your eyes tested every two years at least.
Generally, a person might recognise the following if they have sight problems:Severe, sudden eye pain