Visual acuity is tested as well as evaluation of other ocular functions.
Dangers of headphones The American Academy of Pediatrics recommends that parents should never allow their child to wear a portable headset while walking, skating or cycling. Not only does it block out warning noises, but the risk is all the greater because the youngster concentrates on the music and is not alert to traffic and other potentially dangerous situations. All rights reserved. The material on this site may not be reproduced, distributed, transmitted, cached, or otherwise used, except with the prior written permission of Nutricise. Inc. Please read our Privacy Policy .