The dangers of myopia and characteristics

Myopia harm

1. Poor eyesight, eyes often dry and fatigue, impact study, life and work quality, long-term wear glasses, can lead to life work inconvenience.
2. Of high myopia, will lead to eyeball outstanding. The is flabby, influence appearance.
3. Entrance, join the army, takes an examination of civil servants and limited to find work.
4. More old pages and should be watched because of presbyopia after two pairs of glasses.
5. Nearsighted patient its cataracts, glaucoma was significantly higher than normal.
6. Genetic next generation, myopia genetics is very big, especially in extreme myopia. Genetic are greater than 80% chance.
7. The main farm is: High myopia, especially high myopia and prone to vitreous opacity, retinal hemorrhage and and blindness. According to the statistics in the eyes of the blind due to myopia, already second only to cataracts, glaucoma in third place, to myopia should also must be positive prevention and treatment, prevent the unrestricted development.

Myopic characteristics

Myopia in developing countries is especially terrific, Asian countries myopia rate 70% to 90%, the United States and Europe myopia rate at 30% to 40%. The world is almost all of the people have myopia.
Myopia, Asians than Europeans are more common, the women everyday (twice as many women as men), blacks are more rare. Myopia is not considerable study of the cause, a lot of myopia is caused by a parasite, in their eye can see clouds, wire, transparent insect body, cannot correct.
Myopia sex aging, myopia and farsightedness can coexist in one of the eye. Myopia is not slow from, but the sudden emergence of, yesterday your eyes may or the normal eyesight, today might suddenly make you began the deliberate myopia career.
1. The stars everywhere and always see the whole eyes filled with flash, but this kind of situation is mostly pseudo myopia is the, 400 degrees above no, once appear must cure, prevent myopia.
2. A distant view is not empty, is the most basic symptoms myopia. 4.9, 5.0, 5.1, 5.2, 5.3, 5.4 for normal sight, is good eyes. All of the lower than 4.8 are near-sighted.
3. Myopia and pseudo myopia distinction, myopia impossible excessively with eyes in pain while, pseudoaneurysms, myopia and.
4. Near-sighted eye is the protruding. This is the most scary.
5. Near-sighted eye has not, like something in it.
6. Myopia is not like pseudo myopic eyes, more than any other is the black rim of the eye black.

Age of onset of myopia

Myopia is sometimes classified by the age at onset:
1.Congenital myopia, also known as infantile myopia, is present at birth and persists through infancy.
2.Youth onset myopia occurs in the early childhood or teenage, and ocular power can keep varying till the age of 21, before which any form of corrective surgery is usually not recommended by ophthalmic specialists around the world.
3.School myopia appears during childhood, particularly the school-age years. This form of myopia is attributed to the use of the eyes for close work during the school years.
4.Adult onset myopia
Premature adult onset myopia occurs between ages 20 and 40.
Late adult onset myopia occurs after age 40.