Leader Heights Eye Center, 309 Leader Heights Road, York, PA 17402 • Phone: (717) 747-5430

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Contact Lenses

Contact Lenses

contact lensContact lenses are thin, clear, disks of plastic that float on the tear film that coats the cornea, the clear front window of the eye. At our optical shop in York, PA contact lenses are used to correct the same conditions that eyeglasses correct:

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Soft Contact Lenses

Soft contact lenses are the choice of most contact lens wearers for their comfort and convenience. Options include:

Hard Contact Lenses

Hard contacts today are rigid gas-permeable (RPG) lenses. They hold their shape yet allow the free flow of oxygen through the lens to the cornea. These lenses may be the best choice in cases where the cornea has so much astigmatism (that is, shaped like an egg instead of an orange) or such irregular astigmatism that a soft lens will not provide sharp vision.

Contacts for Presbyopia

As one ages, correction for near vision is often necessary because the lens of the eye cannot change shape as easily as it once did. This common condition, called presbyopia, can be corrected in one of three ways:

Caring for Contact Lenses

Lenses that are old or no longer fit properly may abrade the eye, cause corneal ulcers and inflammation or induce blood vessels to grow into the cornea, so their fit should be re-evaluated on a regular basis, usually annually. At our optical shop in York, PA contact lenses are expertly fitted to fit your eyes.

Any lens that is removed from the eye needs to be cleaned and disinfected before it is reinserted. Lenses that are not properly cleaned and disinfected increase the risk of eye infection. Your doctor will discuss the best type of cleansing system for you, depending on the type of lens you use, any allergies you might have, and whether or not your eye tends to form protein or lipid deposits. Care of contact lenses includes cleaning their case, since it is a big potential source of infection. The case should be rinsed with your prescribed disinfection system and allowed to dry, when the contacts are not in it. You should always dump out your solution, when the lenses are not in the case.

Eye drops can interact with all types of contact lenses, so it is best to avoid their use while wearing lenses, except for wetting or lubricating drops recommended by your eye doctor.

Daily-wear lenses should not be worn while sleeping, except for brief naps.

Homemade saline (salt-water) solutions have been linked to serious corneal infections and should not be used.

Cosmetics and Contact Lenses

Contact lens wearers who use cosmetics are at special risk for eye problems, including irritation, allergy, dryness, injury, and infections of the eye. Cosmetics may contaminate your lenses with the oils, residues, and possible bacteria found in them. Some simple precautions can minimize the chance of contamination: