Contact lenses can either be for healing purposes, aesthetic or remedial. It is usually placed on the cornea of the eye. They generally serve the same purpose as convectional glasses, but are lightweight and nearly invisible. There are some tinted with a faint blue color to make them more visible when engrossed in clean-up and storage solutions. Some are also colored to modify the look of ones eyes.
People wear contact lenses for different perspectives but often are due to their appearance and practicality of fashion. They are not affected by wet weather, do not steam up, and provide a wider field of vision. They are also suitable for a number of sports. It also corrects ophthalmologic conditions that may be inaccurately corrected by glasses.
The prescription of the lenses should at all times is prescribed by a qualified eye practitioner or an optician. In the United States this lenses are deemed to be medical devices by the Food and Drug Administration. Prescription for either glasses or lenses may be similar but not interchangeable. The practitioner or lens fitter typically determines an individual’s suitability for contact lenses during an eye examination.
Corneal health is verified; ocular allergies or dry eyes may affect a person’s ability to wear this lens successfully. Contact lenses can be disposable or cleanable. Cleaning can be by products or solutions such as multipurpose, saline, daily and enzymatic cleaner and hydrogen peroxide. They are used to prevent discomfort and infection microorganisms such as bacteria, fungi, and acanthamoeba that form a bio film on the lens surface.
A long time ago many people were reluctant to wear glasses due to their frames while others were very large and heavy but in this generation there are very many different alternatives of frames vary from stylish to basic.