contact lenses are small plastic discs shaped to correct a vision problem such as nearsightedness, farsightedness, astigmatism or presbyopia. What are refractive errors. You can even by people who underwent cataract surgery are used.

Characteristics of contact lens

The lenses are made of different materials – soft and hard – and come in a variety of designs and colors. These include disposable, colored, astigmatic, aphakic, clairvoyant and keratoconic lenses. The first adjustment and treatment are important elements of the use of contact lenses to maximize the benefits of sight, appearance, comfort and fabric to provide integrity.

An old lens that can be uncomfortable is the development of deposits on the lens, scratches or nicks in the glass, or problems with the tears lubricating the surface of the lens. People differ in the length of a given objective is comfortable and good lens care products in general will extend the life of a lens. After the lens to be replaced frequently due to the formation of protein quick deposit or other problems must be considered a good reason, disposable lenses.

How to maintain your lenses

Leave your drinks unattended. When not in use, keep, them in the appropriate container with the cleaning solution. An atmosphere of dust and chemical fumes can damage your contact lenses, if left uncovered.

Hygienic most possible will be maintained as a lens in direct contact with your eyes. Always wash hands before handling your lenses.

Sterilization of your daily goal is a must for users of soft contact lenses. Sterilization refers to the sale of lenses with the prescribed cleaning solution, which, with clean glasses.

allergic contact lenses
A source of allergy is a preservative in contact lens solutions found. Thimerasol presevative was often used in the past, but developed severe allergic problems. Now, benzalkonium chloride and EDTA chlorides common preservatives for contact lens solutions found. If you develop an allergy or sensitivity to these substances, the symptoms of allergy (redness, itching, discharge) frequently develop especially when the lens is inserted, or when eye drops are used to these preservatives.

Soft contact lens problems can surface in the prevention of recurrent surface breakdown, and by restoring the integrity of the optical surface. This study aims to demonstrate the effectiveness of the highlight of extended high hydrophilic soft lens in the management of surface disturbance.

Do you have dry eyes or problems with the cornea. People who have Sjögren’s syndrome (a condition that the absence of tears and dry eyes does) are often unable to wear contact lenses. People who are chronic or recurrent infections or ulcers of the cornea may have to wear contact lenses.

The use of contact lenses can cause problems, how to give eye infections, allergic reactions to hygiene solutions and deposits on the lenses, red eyes, scratched corneas, changes in the form and structure of the cornea, and abnormal blood vessels grow into the cornea appears clear. You should consult your ophthalmologist immediately if it is burning, extreme sensitivity or blurred vision or pain.