24 hour contacts

The primary drawback to wearing contact, especially for children, is the requirement that they be cleaned and disinfected daily in order to prevent an infection, which could result in permanent damage to the eye. Careful choice of lenses and consistent lens care will minimize the risk of infection. Wearers of best lenses are the least prone to infection 24 but the lenses are much less hour comfortable, contacts more expensive, 24 and can pop out hour of the eye contacts more easily than lenses. 24 Daily wear lenses put the wearer at a slightly higher risk of infection because hour they absorb more external liquids and airborne contaminants.

(Lenses contacts made from polycarbonate, the same type of plastic used 24 for hour the space shuttle windshield, are about 50 times stronger than contacts other lens 24 materials.) Also, people at risk of receiving electric shock should avoid metal frames.People hour employed contacts in certain occupations may be prohibited from wearing contact, or may be required to wear safety eyewear over the contact. Some occupations, such as construction or auto 24 repair, may require safety lenses and safety frames. Physicians and employers should hour be consulted for recommendations. contacts Description 24 Eyes are examined by optometrists (O.D.) or by ophthalmologists (M.D. or D.O.--doctor of osteopathy). Prescriptions, if necessary, hour are then given to patients for glasses. The glasses contacts are generally made by an optician. A separate lenses-fitting exam is necessary if the patient wants contact, because an lenses prescription is not the same as a lenses prescription.