Contact lenses:
These are optical devices which are in contact with the cornea and white portion of the eye and used mainly to correct the refractive errors like short sight long sight and astigmatism.
- RGP (Rigid gas permeable) Lens
- Soft contact lens
RGP Lens: Rigid Gas Permeable contact lens are usually recommended for people with short sight and long sight (Hyperopia) associated with astigmatism. They must have better ocular tolerance to with stand the discomfort due to the rigidity of the contact lens. It is specially recommended in a condition called keratoconus. It is meant to be used as daily wear lens and it is economical and durable.
Soft Contact lens: are classified as daily wear, extended wear and disposable lens. Generally disposable lenses are recommended. Disposable lens are available as monthly disposable and 15 days disposable and daily disposables. special lenses like toric lens to treat astigmatism, bifocal contact lens to correct presbyopia ,and extended ware soft contact lens with high water content for therapeutic conditions. Extended wear disposables like silicon hydrogen lens, cosmetic soft lenses to change the color of the eyes are also available. Any body who is interested in wearing the contact lenses preferably above the age of 15 years should undergo the routine eye check up, trial fitting ,teaching session to learn the contact lens, insertion and removal, detailed consoling session to select the type of contact lens and also to understand the instructions to be followed while using the contact lens before placing the order for the contact lenses at sunayana eye hospital. Contact lens usage is quite common in the age of 15 to 18 years. If proper care is not taken with respect to contact lens hygiene, people can end up with allergies and infection.
