Dry eyes, Itching, burning sensation in eyes are symptoms of digital eye strain. Severe eye strain can cause headaches and refractive errors like myopia and astigmatism. Eyes will get better when you give them a break. Let your child follow the 20-20-20 rule which helps for eyes to rest intermittently: Ensure that your kid takes a 20-second break every 20 minutes and looks at something 20 feet away. Over the counter Artificial tear drops help in relieving the dryness and itching of eyes. Be sure that your kid undergoes annual eye examination for checking and correcting the refractive errors.