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Contact lenses are small, light-weight plastic devices worn on the eye that correct refractive errors in vision . While they appear to be worn in direct contact with the cornea, they actually float on a layer of tears that separates them from the cornea.
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Eyeglasses can be prescribed for a range of vision problems, from nearsightedness to farsightedness to the diminished vision of advancing age.
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If you wear contact lenses, it's important to follow your eye care provider's instructions on wearing and disinfecting them.
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Detailed information on cosmetic safety for contact lens wearers
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Detailed information on cosmetic safety for contact lens wearers
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Contacts that aren't properly prescribed and cared for can lead to allergic reactions, bacterial infections, corneal ulcers, and corneal scrapes. Some problems can end in blindness.
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Detailed information on eye glasses and contact lenses
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Detailed information on eye glasses and contact lenses
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Infants and children with serious vision problems often can be helped to see well with contact lenses.
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Detailed information on cosmetic safety for contact lens wearers
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How Old Is 'Old Enough' for Contacts?Is your child ready for contact lens wear?
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Clear or slightly colored plastic lenses worn directly on the eyeball to correct vision problems, held in place over the cornea by a thin layer of tears. The concept of corrective lenses that sit directly on the eyeball was developed in the ninth century, but it was not until the late 20th century that manufacturing and grinding techniques for contact lenses were perfected.
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