☛ What are contact lenses?
Contact lenses are special type of lenses which are worn on the surface of the eye to correct refractive errors. They provide patients convenience and improved cosmetic appearance to the patient eliminating the need to wear glasses. They are used to correct various disorders like myopia (nearsightedness), hyperopia (far sightedness) and astigmatism etc.
☛ How do contact lenses work?
Contact lenses are tiny discs with optical powers that rest on the surface of the eye in the layer of tears produced naturally by the eye.
☛ How do I select contact lenses?
Contact lenses are prescribed by the doctor after a complete eye examination and determination of the type of lens, power, size and material that is best suited for you.
☛ How long do I wear contact lenses daily?
This depends on the material with which the contact lens is made. The doctor will educate you on the proper use of contact lenses. The doctor will advise on the duration of wear and frequency of replacing the contact lenses.
☛ What are the differnent types of lenses?
- Soft contact lenses
These lenses are made up of soft, flexible, plastic material. They are very comfortable on the eyes since they are gas permeable, that is, they allow oxygen from the atmosphere to pass through to the cornea.
- Right Gas Permeable Contact lenses (RGP Lenses)
RGP contact lenses are more durable and provide sharp vision. They are less expense and long laster than the soft contact lenses. They also allow oxygen from the atmosphere to pass through to the cornea.
- Disposable contact lenses
Till now contact lenses were availabe for yearly usage. Now – a – days we have a variety of disposable contact lenses which are desgined for use for a limited period of time.
A brand new pair of lenses is used and discarded on a
- Daily basis
- Monthly basis
- Quarterly basis
☛ How do I take care of my contact lenses?
Your doctor will advise you on the best way to care for your prescribed lenses. Usually the lens need to be rinsed in the special solution provided with it before placing in the eye and after it should be stored in proper lens case after due cleaning at the end of the day. A person should not sleep with the lens on. Any homemade solution like salt water or detergent water should not be used to clean the lenses. A person should avoid swimming with contact lenses on.
☛ Why is lens care important?
The wearer must be responsible with regard to lens care, otherwise the lens can get contaminated with bacterial and fungal growth and cause infection in the eye.
☛ What do I do if my eyes become red or irritated?
You should immediately remove the contact lenses, disinfect them if possible, switch over to corrective glasses and contact your doctor. Any redness or irritation in the eye in a person wearing contact lenses should be taken seriously. Some of the symptoms a patient may notice include pain, eye discomfort, watering, irritation, unusual sensitivity to light, itching, burning, blurred vision and swelling of the eyes.
☛ Are there any risks involved with using contact lenses?
A person wearing contact lenses is at risk of developing eye infections if the contact lens is not properly cleaning, worn and maintained. Some of these conditions can develop suddenly and in rare cases can cause blindness.