Posted on September 12, 2008
Filed Under Diseases and Conditions | Leave a Comment

If you difficult to see the distance, we have a condition called myopia, which is due to elongation of the eyeball, so the visual image is formed on the retina then, but ahead of it, to be correct be concave lenses.
The case is farsightedness, is when the eyeball is too flat and the image is formed behind the plane of the retina. Therefore, the near vision is not possible and must be convex lenses.

People are myopic blur distant objects, while the nearby perceive more clearly.
Other symptoms are headaches and eyestrain. Myopia appears under the eyeball grows, it begins in childhood and may worsen during adolescence. Normally leave to move into adulthood.

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