Before, people with dry eyes are discouraged to wear contact lenses because this would make the symptoms turn for the worse. They didn’t know then that dryness affects those who wear contact lens and those who don’t. Advance technology has been a great help for people with dry eyes, because now they can wear contact lenses. People with dry eyes can also wear the lenses for an extended period of time due to advances in lenses technology and lens care products.
Contact lens for dry eyes tries to avoid scars in cornea and damage to eye tissues. Failure for the eyes to produce tears leads to instability of the tear firm and undernourishment. Leading manufacturers and brands continue to research to face the challenges posed by dry eyes. They employ different materials like polymers and gels that has long water retentions.
Contact lens for dry eyes are created with different and special compounds that controls dryness and serves other purposes. Silicone hydrogel controls the water buildup and gives a soothing and comfortable feeling to the eyes. Despite having lesser water, it provides moisture. Silicone hydrogel are made up of components that have oxygen permeability, meaning it allows a healthy amount of oxygen to the cornea.
There are also new polymers that are developed to address the dryness problem. Manufacturers that invest on polymers have developed Omarifilcon A for contact lens purposes. They are designed to adjust and comfortably fit to the nature of the eyes.To keep the lens moist and comfortable, soft contact lenses are mad of hydrophilic polymers. They will ensure that your eyes are properly hydrated.
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The best contact lenses for dry eyes is a rigid gas permeable lenses. Because this type of lens is composed of plastic, it is firm therefore it does not dehydrate the eye. The plastic that makes up gas permeable lenses is oxygen permeable.
Finally, it is better to check with an eye practitioner if you are suffering from dry eyes. You have to make sure that you will follow all the instruction given in the manual to avoid eye complications, if ever your doctor gave you the permission to wear contact lens.
