Thursday, 23 July 2020

Best Cheap Eye Contacts

Being imperfect is the native and probably the only common characteristic of humans after their ability to commit an error. There is something fundamentally flawing about humans that help us relate to others. Some of us are fortunate enough to have problems that can be easily cured like eyesight problems whether it is myopia or astigmatism. Most people might know what myopia is but…
What is astigmatism?
Astigmatism is a refraction error of the eye caused by the irregular size of the cornea or the internal lens. Naturally, the cornea and the internal
best coloured contact lenses of the human eye are a perfectly round sphere but a person suffering from astigmatism will have an abnormal shaped cornea or lens or in some cases, both are irregularly shaped i.e. like an oval. It can be present in the patient from birth or hereditary. The rods and cones at the back of the eye are unable to receive the light reflecting from the object as the light bends improperly during its journey to them. It is different than myopia hyperopia as you can’t see properly at any distance. This problem has the tendency to increase with age.
The good news is that astigmatism can be easily treated with a pair of specially designed contact lenses. There are a few kinds of contact lenses that can be used for this purpose as follow.

Toric contact lenses:
Toric contact lenses are the most common kind of contact lenses that are being used worldwide to treat astigmatism. These contact lenses are usually designed with silicone or silicone hydrogel material meaning they are soft and easy on the eye. Toric contact lenses treat this problem with varied refraction and stabilized design. These contact lenses are available in types from dailies to monthly disposable. These contacts have a slight problem, they rotate with the blink of the eye or the posture of the head as a result daily disposable contact lenses are the most recommended among the lot.

Some of the most commonly used toric lenses for astigmatism are

Acuvue Oasys, Bioinfinity Toric, Dailies Aquacomfort Plus Toric, Proclear Toric, Baush+Lomb Ultra for astigmatism.
These contact lenses are being used widely to treat astigmatism but there are other kinds of contact lenses as well that work even better than toric in some cases.

Gas Permeable Contact Lenses:
Gas permeable contact lenses or in short RGP
cheap colored contacts treat both corneal and lens astigmatism by creating an artificial cornea and reshaping the cornea to its natural spherical shape optically. These contacts are more rigid than toric so they don’t rotate with the blinking of the eyes. One issue with RGP contact lenses is that can be irritating for some people.

Hybrid Contact Lenses:
RGP contact lenses are hard on all sides making them uncomfortable for some people but hybrid contact lenses are softer on the side and hard at the center, so they bring the good of both worlds together. They cure astigmatism in the same way as RGP contact lenses but without the discomfort.

Scleral contact lenses:
The sclera of an eye is the white part of the eye that we can see. As the name suggests scleral
cheap eye contacts cover the white area of the eye so they cover the entire front of the eye. They are large in size, therefore, they avoid contact with pain-sensing nerves of the cornea making them comfortable.


1 comment:

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