What are some of the bad habits which affect kids' (3-8 yrs) eyesight? How can parents ensure good eyesight for children.

If the kid is sitting in computer for prolonged hours, it makes the kid blink less and can make eyes dry. Over a longer period of time, it can affect vision. Though, there is no direct evidence that watching television from near or watching too much can weaken the eyesight, but one should limit the time of using electronics anyway. Carrots are believed to be good for good eyesight as they have Vitamin A. http://www.thehealthsite.com/diseases-conditions/natural-remedies-for-better-eyesight/