full eye contact lens

extended lenses in particular pose a much full greater risk than daily wear lenses. Though extended-wear lenses are extremely thin eye and allow some oxygen--necessary for healthy contact eyes--to reach the cornea, lens they are full worn continuously, including at night while the eyelid is closed. Bacteria can easily grow more easily under these conditions. Twenty-one in 1,000 extended eye lens wearers contact develop infections as opposed to 4 in 1,000 daily soft lens wearers. lens To reduce full this risk, eye care professionals eye now recommend removing extended lenses at night. In addition, newer versions of extended lenses being developed may offer increased oxygen exchange and pose less risk. Disposable lenses may also help to prevent infection, since the wearer contact is guaranteed a clean pair of lenses every few weeks or lens every day.

Over 32 million people in the United States wear these small lenses that fit on top of the cornea. They provide a field of view unobstructed by lenses frames; they do not fog-up or get splattered, full and eye so it is possible to see well while walking in the rain; and they are less noticeable than any lenses contact and lens and full and eye style. On the other hand, contact they lens and full take time to get accustomed to; require more measurements for fitting; require eye many follow-up visits to the eye doctor; can lead to complications contact and lens such as infections and corneal damage; and may not correct astigmatism as well as lenseses, especially if the astigmatism is severe.

One, he didn''t think they were available from any other source," "and two, he had heard they weren''t as highly controlled as those dispensed through doctors."Neither assertion is true. got on the Internet full and eye and found her contact lenses on several Web sites for $35.95 for a lens box of six pairs. (Her doctor was charging $50 a box.) says her doctor full told her that lenses offered by places like may have failed manufacturers'' quality checks. Bausch contacts and other lensmakers say there''s eye no difference in quality between the lenses sold through doctors contact and those sold directly to consumers. STATES CRACK DOWN. Attorneys general in 32 states have sued the American Optometric Association and two of the top contact-lens manufacturers (Vistakon, a division of contacts, and Bausch), alleging that the AOA tried lens to get manufacturers to agree to selllenses only through full optometrists eye or other eye-care professionals. The attorneys general say they also have evidence contact that doctors agreed to withhold prescriptions from people who sought to buy lenses from other lens sources, despite the fact that at least 22 full states have laws requiring eye doctors to give out contact-lens prescriptions upon request.Although the AOA says patients should be able to buy their eye lenses anywhere, the organization contact has reservations about mail-order purchases. "The difficulty when someone goes through mail order is that they don''t come back for regular checkups," says AOA president Dr. Harvey Hanlen lens.

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