Therefore, the eye tends to experience more than the normal amount of tear evaporation, resulting in dryness and irritation. Children are very adaptable. Although there are many positive aspects to their adaptability, children frequently ignore problems that would be addressed by adults. Children who are viewing a computer screen with a large amount of glare often will not think about changing the computer arrangement or the surroundings to achieve more comfortable viewing. This can result in excessive eye-strain.
Uncorrected farsightedness can cause eye strain, even when clear vision can be maintained.
Children are not the same size as adults. Since children are smaller, computers don't fit them well. Most computer workstations are arranged for adult use. Therefore, a child using a computer on a typical office desk often must look up further than an adult. Because the most efficient viewing angle is slightly downward about 15 degrees, problems using the eyes together can occur.