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Many people suffer from the problem of weakness of vision, which causes great inconvenience to those who suffer from them, and the injury is due to several factors, such as sitting for hours in front of modern devices, and neglect, and not to maintain, and other factors, so we will talk in this article about things that Poor vision causes them, as well as types of double vision, how to treat it, as well as tips for prevention.
What causes poor vision
- The vision is not clear where things appear confused.
- Difficulty reading and writing.
- Imagine having halos around the lights.
- A change in color.
- Darkness in the eye.
- Sensation of a tremor and vibration.
- Infection is significant.
- Focus on one hand during consideration.
- Always look at the lighting all the time.
- Rub the eyes continuously.
Double vision types
Nearsightedness
Seeing the things around us clearly The light rays must pass after passing from the lens of the eye to a point on the retina, but the rays are located in front of the retina and not above it, and because of this should be placed an additional lens in front of the eye to help collect the rays, To the retina and not in front of it, and this process helps to see the close images clearly, but the distance can not be seen clearly.
For the treatment of myopia by laser, the central part of the cornea is flattened by scraping a certain degree of the central section of the cornea. In the case of longitudinal treatment, it is treated by making the central section of the cornea more convex by scraping a certain degree of peripheral or external section of the cornea In the case of astigmatism, it is treated by making the cornea more spherical, by removing layers of the cornea in one part more than the other.
Farsightedness
The eye needs an extra lens to help the eye collect light rays and send them to the retina rather than behind them. In this process, close images can not be seen clearly but only distant objects.
Treatment of double vision
- Wear glasses according to the degree of weakness.
- Perform a laser operation to correct the retina.
- Wear medical contact lenses after consulting your doctor.
Tips for prevention of double vision
- Do not sit long in front of the computer.
- Avoid lying down while watching TV or sitting nearby.