Cheap Contact Lenses For Clear Vision

Cheap Contact Lenses For Clear Vision

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Contact lenses for astigmatism or vision correction are basically clear, thin disks of plastic material which use to float on to the surface of eye. Like eye glasses or spectacle, these are used for the correction of vision. These are quite safe if handled with care. Some of the clinical conditions are there which are resolved by contact lenses. These include presbyopia (incapability to see close up items), hyperopia (long sightedness), myopia (short sightedness), astigmatism (blurred vision because of the abnormal shape of cornea of eye) and many more. Refractive errors are cured by contact lenses. Cataract patients also deal with contact lenses.
Millions of people around the globe now commonly wear contact lenses for cosmetic, therapeutic and corrective purposes. Contact lenses are considered as the effective and safer substitute of eye spectacles if these are handled with proper maintenance and great care. The use of contact lenses is chiefly dependent on the life style pattern, health of eyes as well as the motivation of the individual.

General types of Contact Lenses :

There are two common types of contact lenses.
1- Hard or rigid lenses.
2- Soft lenses.

1- Hard or rigid lenses:

RGP i.e. rigid, gas-permeable lenses are the type of hard lenses which are most commonly used these days. Plastic is commonly used as the lens material. Other materials which are used in the making of lens include fluoropolymers, silicone etc. hard lenses retain their characteristic shape and on the mean while they facilitate the free flow of oxygen from the atmosphere across the lenses to the cornea of the eye. When cornea suffers from sufficient astigmatism means when shape of cornea becomes more egg-like instead of being orange-like then RGP lenses are the best and first choice.
• Examples:
– Conventional hard (polymethyl methacrylate, or PMMA) lenses
– Rigid gas-permeable (RGP) lenses
– Bifocal or multifocal contact lenses

Click Here to See Contact Lenses for Vision Correction

2- Soft lenses:

Soft lenses are also preferred very much by the wearers of contact lenses because these are very much comfortable and different versions are available of soft lenses depending upon the mode of their wearing.
• Examples:
– Daily-wear lenses
– Extended-wear lenses
– Disposable lenses (daily and extended-wear)
– Bifocal or multifocal contact lenses
– Toric soft contact lenses.

On the basis of purpose, contact lenses are also available in following categories:
– Daily-wear lenses
– Extended-wear lenses
– Disposable-wear lenses
– Cosmetic or decorative contact lenses

Click to See All Contact Lenses For Weak Eyes

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