|
|
(Lenses made from polycarbonate, the same type of plastic used for the space shuttle windshield, are about 50 times stronger than other realistic lens materials.) Also, people colors at risk of receiving electric shock should avoid metal frames.People employed in certain sparkles occupations may be prohibited from wearing contacts contact, or may be required to wear safety eyewear over the contact. Some occupations, such as construction or auto repair, may require safety lenses and safety frames. Physicians and employers should be consulted realistic for recommendations. Description Eyes are examined by optometrists colors (O.D.) or by ophthalmologists (M.D. or D.O.--doctor of osteopathy). Prescriptions, if necessary, are then given to patients for glasses. sparkles The glasses are generally made by an optician. A separate lenses-fitting exam is necessary if the patient wants contact, because contacts an lenses prescription is not the same realistic as a lenses prescription. Planned-replacement colors and sparkles lenses are daily wear lenses that are replaced contacts on a regular schedule, which is usually every two weeks, monthly, or quarterly. realistic They must colors also be cleaned. Soft contact sparkles come in a variety of materials. There contacts are also different kinds realistic of RGP and colors soft sparkles multifocal contact available. Monovision, where one lenses corrects for distance vision while the other corrects for near vision, may be an contacts option for presbyopic patients. Monovision, however, may affect depth perception and may not be appropriate for everyone. contact also come in a variety of tints. realistic corrective colors are available that can change dark-colored eyes a different color. Even though sparkles 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. 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. The distance between the lenses is for a "standard" person. Generally, this will not be a problem, but if contacts a patient is sensitive or has more closely set eyes, for example, it may pose a problem. Persons realistic and colors and sparkles buying ready-made contacts sunglasses or reading glasses should hold realistic them up to see if they appear clear. colors They should also hold the lenses to see an object with straight lines reflected off of the lenses. If the lines don''t appear straight, the lenses sparkles may be warped or inferior.Patients may sometimes need a few days to adjust to a new prescription; however, problems should be reported, because the glasses may contacts need to be rechecked.contact
|