High eye power is seen in pathological myopia, where an individual cannot focus far away things due to degenerative changes to the back of the eye. It may affect the eyesight, which cannot be corrected using glasses or contact lenses.

It can be corrected by giving concave ( minus) lens in front of eye. In Simple Myopia power does not progress after adolescence. (power of 5 or 6 dioptres may be the maximum).

The lowest strength is usually 1.00 diopters. Glasses go up in strength by factors of . 25 (1.50, 1.75, 2.00). The strongest glasses are 4.00 diopters.

According to the National Eye Institute, the term “high myopia” applies when that prescription reaches -6.0 diopters or more. People with this level of myopia rarely, if ever, go without glasses or contact lenses.

A measurement of 0 indicates that the eye can adapt to both short and long distances without problems (though corrections may still be necessary, for example for astigmatism). Because of the definition of a Dioptre, there is no maximum/minimum number.

Unfortunately, short-sightedness in children tends to get worse as they grow. The younger they are when they start becoming short-sighted, generally the faster their vision deteriorates and the more severe it is in adulthood. Short-sightedness usually stops getting worse at around the age of 20.

Lifestyle and home remedies

1. Have your eyes checked. Do this regularly even if you see well.
2. Control chronic health conditions.
3. Protect your eyes from the sun.
4. Prevent eye injuries.
5. Eat healthy foods.
6. Don’t smoke.
7. Use the right corrective lenses.
8. Use good lighting.