week looking
The sight is one of the blessings that God blessed us, but there are a lot of people worried by the problem of weakness of vision, this problem is a problem that has become widespread, mainly due to the proliferation of technology that contains rays harmful to the eye, and This article will show you the causes of poor vision, as well as the symptoms of this problem, as well as treatment methods.
Causes of poor vision
Weakness of vision results directly from eye diseases, which include inflammation of the eye parts, which results from refractive errors, or optic nerve atrophy, and the problem of double vision needs to be examined by the eye specialist specialist and not through the glasses vendor, and will explain the doctor times Use glasses according to your degree of weakness.
Contact lenses can be used if the eye does not suffer from allergies. It is said that eyeglasses are used to correct visual errors in the eye only, as they do not treat poor vision, and exposure to sunlight, which increases the suffering of those suffering from dysplasia, They have allergies and eye infections.
Double vision types
- Nearsightedness: To see things clearly before us, light rays must pass through the lens of the eye on a point above the retina, but what happens here is that these rays are located in front of the retina and not on the retina. To collect the rays, and drop them on the retina and not in front of the retina, and as a result do not see the distant objects clearly, but we can see the objects nearby clearly.
- Farsightedness: The rays do not fall on the retina or on the retina, but behind the retina. Therefore, the eye needs an additional lens to help the eye collect the rays, and drop them from the retina, not behind the retina. As a result, you do not see the objects nearby clearly.
Symptoms of poor vision
- Lack of clear vision.
- Difficult to write and read.
- A change in colors occurs.
- There are halos around the lights.
- Weak vision.
- Occurrence of opacity in the eye.
- Vibration or shaking.
- Presence around the degree is clear and intermittent.
- Install looking at one hand all the time.
- Install looking at the lighting only all the time.
- Keep your eyes open.
- Eye instability in one place.
- There are general problems in the child such as convulsions, lack of oxygen at birth, and a general delay in growth in the child.
Prevention of double vision
- Do not lie down when watching TV
- Do not sit for long periods of time, focus on the computer.
- Do not get too close to the TV.