Different Types of Eye Problems
Ordinary people have a mindset that eye weakness or Vitamin-A deficiency is the only cause of eye problems. When vision problems are within smaller limits then their symptoms are:
There are basically three types of vision problems in scientific language:
Hyperopia (Long sightedness)
Hyperopia or Long Sightedness is a matter of vision in which one can see things that lie very far but can not see things nearby.
How to fix Hyperopia?
This can be prevented or treated by using a single vision convex lens. Convex lenses help repair hyperopia.
Myopia (Short Appearance)
Myopia or Short sightedness is a matter of vision in which one can see things nearby but can not see things far away.
How to correct myopia?
You can prevent or treat it by using a concave lens. The concave lens helps the retina to focus the image of the object in the right place. The actual diagram is given below.
Astigmatism
Astigmatism is a kind of disease in which the near and far objects lie can not be seen clearly. Generally seen in people who are more than 40 years old.
How to correct Astigmatism?
Astigmatism can be treated with a focal lens. It has two lenses combined together. One of them increases the nearby scenery and the others by far. This lens is made in such a way that the patient can see objects that are located far away with the top of the lens and can see objects nearby with the bottom. Bi-focal lenses have different types and are given to the patient profession.
Various other technologies today to solve the problem. Such an effective technology is Lasik Technology that is used to cure different eye problems with the help of laser treatments.
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