The grace of seeing is one of the greatest blessings that God has bestowed upon us. It is the reason for the pleasure of life and its beauty. In the case of its loss, God forbid, life becomes difficult and harmful. Allaah has made the member of the eye responsible for this blessing. The eye consists of a system of sensitive cells and tissues that affect In any of the surrounding phenomena, and any defect that may affect the eye may affect the ability to see and see things, so it must give the eye and its parts care and attention to maintain.
Some people may complain about the weakness of being able to see objects both near and far, and this problem is very common because of the way we live. What causes poor vision? What are the weaknesses in consideration?
Causes of poor vision
- Some diseases in the eye, including inflammation.
- Genetic factors, where the chance of injury to the individual double-sightedness is greater in the case of one or both parents.
- New, the older the individual becomes, the weaker his eyesight.
- Lack of certain elements in the body needed by the eye due to neglect in eating healthy foods and rich in vegetables and fresh fruits such as carrots, and may result from this shortage due to the use of types of diets not studied, the individual becomes focused on weight loss without attention to the quality and what is appropriate.
- Lack of interest in the cleanliness of the eye and exposure to various contaminants such as the use of contact lenses without interest in sterilization, or the use of tools for others.
- Heavy pressure on her by sleeping on the abdomen, when sleeping on the abdomen and face, all pressure from the head and skull are on the eyes in the foreground.
- Frequent use of computers and devices smart phones, as the screens are working to send rays hurt the eye.
- Fatigue and not taking enough sleep and this increases the pressure on the eye and fatigue.
- Reading in low light conditions is not appropriate, and increasing the proximity of books from the eye causes poor vision in the long run.
Types of double vision
- Longitudinal: The patient sees distant objects more clearly than nearby objects. The cause is a problem in the cornea that collects the rays from the proximal objects behind the retina.
- Myopia: The patient sees nearby objects more clearly than distant objects. The reason is that the cornea is enlarged from the normal position, making the rays from the distant objects collect before and not on the cornea.
- Astigmatism: The patient suffers from blurry vision and blurry, whether close or far, and because of the pool of light in more than one point within the eye.