the normal operation of the retina of the eye

In order to protect our eyes from the solution to these rays obviously, wearing sunglasses and go out, UV level requirements. We must bear in mind that, only good quality, worthy even wearing sunglasses. Some of us may think, cheap sunglasses of unknown quality "better than nothing", but in fact it is not only true, but the danger of life. Light our eyes get control of our eyes. When our pupil contraction, less light reaching the retina. So, when we put on sunglasses quality is not good, what will happen? Because the lens is dark, our eyes to feel that they are a small lamp, expand our students. However, dark lenses, not to block harmful rays, so more people than, if we reach our students Japanese nothing. Therefore, in order that we decided to buy a new pair of sunglasses, we should choose a blocks 100% of ultraviolet radiation and most of the HEV ray. We should also ensure that they fit, which means they shield our eyes, our eyes and the surrounding normal skin. How do we know if we buy Sunglasses do not live up to those standards? We can have our department of Ophthalmology doctors or optometrists are evaluated, and give us advice and bought a pair of reliable.
The main eye problems resulting from the sun but dangerous radiation damage, internal development. However, against the external effect, there is not much, what can we do to alter the genetics. One may even help us to avoid the possibility of the development of age-related eye diseases or problems that have already occurred, in our family's pain, is a healthy, a diet rich in vitamins. It may sound strange, because, progress, it may detain such as cataract, glaucoma, macular degeneration and other conditions.
So what vitamin is needed to keep our eyes, what we should eat, their consumption of health? Vitamin A is an antioxidant, neutralizing free radicals cause cell and tissue damage, thus increasing the impact of the normal operation of the retina of the eye. It is fat soluble, can be found in animal foods, such as beef liver, egg yolk. Our bodies can also convert beta carotene, vitamin A.