CHEAP CONTACT LENSES

Contact lenses are diminutive concave devices used for corrective therapeutic or cosmetic purposes and is placed on the eyes cornea. It is first used to replace the use of glasses for people who have eye problems. Because of this some eye lenses are considered corrective. A corrective lens can improve a person s vision. Only eye experts prescribe corrective lens. The common eye conditions that are corrected by the lenses are near and far sightedness and astigmatism. Doctors recommend remedial lens so that existing conditions in the eye such as corneal edema and ulcers are confined allowing it to cure faster. This type of lens works by defensive the eyes from friction blinking of the eyelids and the dirt and filth in the air.Not so long ago poor vision kept people from living the kind of lifestyle they wanted before contact lenss became easily available affordable and comfortable bulky eyeglasses restricted the kind of activity people could enjoy and also contributed to feelings of dissatisfaction with personal appearance. There are two main types of contact lenss soft contacts or hydrophilic they can contain from 25% to 75% water and rigid contacts also known as gas permeable or RGP. The soft contacts are more comfortable to wear because they mold themselves to the surface of your eye like a glove fits your hand. Also soft contacts can be fashioned to change the color of your eye soft opaque contacts are available to change even dark eyes to lighter and brighter colors. You can also get disposable soft contact lenss reducing the amount of time and money you need to spend with cleaning.igid or RGP contact lenss are smaller and harder than soft contacts covering only the iris of your eye and their physical composition allows oxygen to pass through the lens to the eye itself thus serving to keep your eye healthier. Plus they tend to have better success than soft contacts in correcting the vision of more irregularly shaped eyes. However they are harder to get used to because they are so hard and uncomfortable which is why most people prefer soft contacts.