Myopia or short-sightedness is very prevalent in this part of world. It usually develops during the early school years and tends to progress to teenage years.
Myopia occurs when the eyeball is long, relative to the focusing power of the cornea and lens of the eye. This causes light rays to focus at a point in front of the retina, rather than directly on it.
When a child is short-sighted, he may have difficulty reading from the board in school and seeing distant objects clearly. However, the child will be able to see well for close-up tasks such as reading and computer use.
High or severe myopia can cause inconvenience and lead on to other eye problems in adulthood such as: