What is Astigmatism |
Sharpness normal human eye to see pictures or writing at a distance of 6 meters. In addition, the eye can see clearly the point of view of visuals 5 degrees. If one can not see with these standards then it is possible abnormal eyes. One of the abnormalities in the eyes, one of which is an eye astigmatism. The disorder is caused by the patient's eyes can not see as clear as the one on the picture plane. The cause curvature of the cornea, post-infection, and post-surgical cornea.
what is astigmatism
The definition is defective eye with astigmatism symptoms if you see a dot (light spots) appear bright lines spread. This happens because the lens of the eye (cornea) has no true spherical surface. This resulted in corneal aberration refraction of the light at different meridian to another meridian. Astigmatic eyes can be helped with glasses negative cylindrical lens, which serves to weaken the strongest refracting meridian, or can also be a positive cylindrical lens to strengthen the weakest refraction on the meridian.
Astigmatism symptoms
The disorder is caused by the patient's eyes can not see as clear as the one on the picture plane. The cause curvature of the cornea, post-infection, and postoperative corneal
Clinical Manifestations
Impaired vision / visual acuity
Eye strain
Fatigue on the eyes
The views are shaded and blurred
Watery eyes
Photophobia
Prevention Astigmatism naturally
Through foods that contain vitamins for the eyes, you can keep your eyes healthy fun way. Yes, eat well, their eyes healthy. Here is a list of five nutritious food for the eyes:
1. Carrots
This vegetable is ranked number one in the source of vitamins for the eyes. Carrots are rich in beta carotene. Beta carotene is converted by the body into vitamin A, which plays an important role for the eye. Carrots also help the body to release free radicals.
2. Avocado
You a fan of avocado juice? Nothing wrong with favoring nutrient-dense fruits that proved this. The fruit is good for the eyes, especially because avocados contain more lutein than any other fruit. Lutein is important in preventing macular degeneration (decreased visual acuity) and cataracts. Dark green fruit is also an important source of nutrients for the eye, such as vitamins A, C, B6, and vitamin E.
3. Broccoli
These vegetables contain many vitamins and nutrients needed eye. Not only vitamin C, calcium, lutein, zeaxanthin, and sulforaphane, broccoli turns can prevent breast cancer and as an antioxidant. Healthier your eyes by including broccoli in the daily menu.
4. Eggs
Eggs are rich in nutrients for eye health care, such as vitamin A, zinc, lutein, lecithin, B12, vitamin D, and cysteine. In addition to meet the daily intake of protein, eggs are also good nourish your eyes.
5. Spinach
Spinach also has vitamin A. In fact, green vegetables contain nutrients that are good for the eyes such as lutein and zeaxathin.
Read also the health benefits of broccoli.
Overcome Astigmatism with green vegetables
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