Glasses are a tool that can help a person to be able to read and see, besides the glasses also have the function of avoiding direct eye contact from exposure to sunlight, and dust while driving. Glasses mean of benefits for those who need it, especially for those who have a history of eye min or for parents whose eyes are already a plus. Glasses very helpful for vision. Besides the glasses also can be made in the present trend. The continued development of the times over the years, getting ahead anyway lens manufacturing. This time can be encountered in a variety of optical and malls selling glasses with different models and brand names are imported directly from the original state-making spectacles. And of course at a very expensive price tag. Model eyewear assortment, model reading glasses, sports glasses, sunglasses women. For the record, in choosing sunglasses should choose glasses that fit your face shape for your face shape and glasses in stark contrast.
Glasses used someone not only a sweetener appearance. Moreover, the glasses also have health function that should realize the wearer.
The use of goggles is one way in treating eye and not a tool that serves to cure vision. One function that is often overlooked is the function as protector of the eyes from damage that can be caused by ultraviolet rays.
Exposure to ultraviolet light in a certain period of time in the eyes not only can cause damage to the skin surface of the eyelid. The inside of the eye, such as the cornea, lens, and the other part was potentially damaged. In fact, ultraviolet rays thought to play a role for the onset of cataracts and decreased function of the macula of the eye (eye spots areas most sensitive to light stimuli).
Damage to the eyelid caused by exposure to ultraviolet light as other skin damage in the human body. If it happens in the long term and are not anticipated, it allows the growth of skin cancer.
Direct exposure to ultraviolet rays that hit the cornea risk of causing keratitis. This condition is an inflammation of the cornea that gives the sensation of pain and swelling in the eye. Sunbathing is one of the activities that may be the cause keratitis.
Ultraviolet light can reach the retina. This condition is experienced by those who witnessed the direct sun during a solar eclipse
Look Better Glasses Used
Because it has such an important function in protecting the eyes, the glasses are also required to have some reservations, both in shape and material of the lens. Good sunglasses should be capable of blocking the entry of ultraviolet light. Therefore, sunglasses should have large circular frame covering the eye and surrounding area. It is necessary, given the light can come in from the sides of the eye by ordinary frame is not necessarily protected.