eye glasses and contact lenseses and contact are devices that correct refractive errors in vision. lenses lenses are mounted in frames worn on the face, sitting pinhead mostly on the ears contacts and nose, so that the lenses are positioned in front of the eyes. contact sfx appear to be worn in direct contact with theatrical the cornea, but they actually float on a layer of tears that separates them from the cornea.purposethe purpose pinhead of lenseses and contacts contact is to correct or improve the vision of people with nearsightedness (myopia), farsightedness (hyperopia), presbyopia, and astigmatism.precautions sfx people allergic to certain plastics should not wear contact or lenses frames or lenses manufactured theatrical from that type of plastic. people allergic to nickel should not wear flexon frames. people at risk of being in accidents that might shatter glass lenses should wear plastic lenses, preferably polycarbonate.

eye glasses and contact lenseses and contact are devices that correct refractive errors in vision. lenses lenses are mounted in frames worn on the face, sitting pinhead mostly on the ears contacts and nose, so that the lenses are positioned in front of the eyes. contact sfx appear to be worn in direct contact with theatrical the cornea, but they actually float on a layer of tears that separates them from the cornea.purposethe purpose pinhead of lenseses and contacts contact is to correct or improve the vision of people with nearsightedness (myopia), farsightedness (hyperopia), presbyopia, and astigmatism.precautions sfx people allergic to certain plastics should not wear contact or lenses frames or lenses manufactured theatrical from that type of plastic. people allergic to nickel should not wear flexon frames. people at risk of being in accidents that might shatter glass lenses should wear plastic lenses, preferably polycarbonate.

one, he didn''t think they were available from any other source," "and two, he had heard they weren''t pinhead as highly controlled as those dispensed through doctors."neither assertion is true. got on the internet and found her lenses on several web sites for $35.95 for a box of six pairs. (her doctor was charging $50 a box.) says her doctor told her that lenses offered by places like may have failed manufacturers'' quality checks. bausch contacts and other lensmakers say there''s no difference in quality between the lenses sold through doctors 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 to get manufacturers to agree to selllenses only through optometrists or other eye-care professionals. the attorneys general say they also have evidence that doctors agreed to withhold prescriptions from people who sought to buy lenses from other sources, despite the fact that at least 22 states have contacts laws requiring eye doctors to give out contact-lens prescriptions upon request.although the aoa says patients should be able to buy their lenses anywhere, the organization 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.