planned-replacement lenses are daily wear lenses that are replaced on a regular schedule, which is usually every two weeks, monthly, or quarterly. they must also be cleaned. soft contact come in a variety of materials. there are also different kinds of rgp and soft multifocal contact theatrical available. monovision, where one lenses corrects for distance vision while the other corrects for near vision, may be an option for presbyopic patients. monovision, however, may affect depth perception and may not be appropriate for everyone. eclipse contact also come in a variety of tints. corrective are contacts available that can change dark-colored eyes a different color. even though such lenses have no prescription, they must still be fitted and checked to make sure that an eye infection does not occur. people should never wear someone else''s contact. sfx and theatrical this can lead to infection or damage to the eye. aftercarelenses wearers must be examined periodically by their eye doctors to make sure that the lenses fit properly and that there is no infection. both infection and lenses that do not fit properly can damage the cornea. patients can be allergic to certain solutions that are used to clean or lubricate the lenses. for that reason, patients should not randomly switch products unless they speak with their doctor.

planned-replacement lenses are daily wear lenses that are replaced on a regular schedule, which is usually every two weeks, monthly, or quarterly. they must also be cleaned. soft contact come in a variety of materials. there are also different kinds of rgp and soft multifocal contact theatrical available. monovision, where one lenses corrects for distance vision while the other corrects for near vision, may be an option for presbyopic patients. monovision, however, may affect depth perception and may not be appropriate for everyone. eclipse contact also come in a variety of tints. corrective are contacts available that can change dark-colored eyes a different color. even though such lenses have no prescription, they must still be fitted and checked to make sure that an eye infection does not occur. people should never wear someone else''s contact. sfx and theatrical this can lead to infection or damage to the eye. aftercarelenses wearers must be examined periodically by their eye doctors to make sure that the lenses fit properly and that there is no infection. both infection and lenses that do not fit properly can damage the cornea. patients can be allergic to certain solutions that are used to clean or lubricate the lenses. for that reason, patients should not randomly switch products unless they speak with their doctor.

extended lenses in particular pose a much greater risk than daily wear lenses. though extended-wear lenses are extremely thin and allow some oxygen--necessary for healthy eyes--to reach the cornea, they are 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 lens wearers develop infections as opposed to 4 in 1,000 daily soft lens wearers. eclipse to reduce this risk, eye care professionals contacts and sfx 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 is guaranteed a clean pair of lenses every few weeks or every day.