Clear vision
DR. VANDANA JAIN
|
While it’s all right to wear contact lenses, they should never be treated like over-the-counter products.
|
Contact lenses are miraculous pieces of plastic that allow us to see without glasses. In most cases, contact lenses are used as a substitute for glasses.
Numerous types of lenses are available such as soft contact lenses made of flexible plastics; rigid gas permeable (RGP) lenses made of semi-soft material that are less likely to tear; extended wear contacts; disposable (Replacement Schedule) contacts; and cosmetic contact lenses.
Cosmetic uses
Contact lenses are also now being increasingly used cosmetically to change the apparent colour of the eyes. Some even go to the extent of buying different coloured pairs to match different dresses. These decorative contact lenses are being marketed and distributed directly to consumers through convenience stores and the Internet. Along with changing eye colour, the latest variety of decorative contacts are used for producing special effects, such as mimicking the eyes of cats, and displaying written messages.
However the trouble begins when contacts are bought and used without a valid prescription, without the involvement of a qualified eye care professional, or without appropriate follow-up care. This can lead to significant risks: eye injuries, eye infection, including blindness. With cosmetic lenses, bio-compatiblility with the eye is as important as it is with conventional lenses, if not more important, since they may allow less oxygen to reach the surface of the eye than clear lenses, in addition to disrupting the tear film.
Contact lenses should never be treated like over-the-counter products. They should always be taken from an eye doctor after checking your eye power, your external eye condition, external eye measurements. Appropriate handling, cleaning and disinfection techniques are essential and it is important to comply with the recommended wearing times and frequency of lens replacement.
Numerous cases of serious corneal infections are associated with wearing of contact lenses. In extreme cases, this condition can result in blindness and eye loss. Other risks associated with the use of these lenses include conjunctivitis, corneal swelling, allergic reactions etc.
Partnership
Wearing contact lenses can be a very rewarding experience. These days, contact lens technology has grown by leaps and bounds, ensuring that the vast majority of users wear their lenses without experiencing any discomfort. Successful contact lens wear requires a “partnership” between the fitter or an ophthalmologist and the wearer.
The writer is a Consultant Cornea, Cataract and Refractive surgeon based in Mumbai.
Remember:
Always take contact lenses from an eye care professional
Make sure your prescription is current
Beware of attempts to substitute brands. Water content and shape may differ among brands
Make sure that you get the exact brand, lens name, power, sphere, cylinder and axis (if any)
Follow proper cleaning and disposal methods
In case of any irritation or redness, stop wearing contacts and contact your doctor
Printer friendly
page
Send this article to Friends by
E-Mail
Magazine
