Astigmatism and Contact Lens

Astigmatism is an eye ailment whose effect is blurred vision. The shape of the cornea and the lens of the eye is not in symmetry. The cornea is in an ...


Astigmatism is an eye ailment whose effect is blurred vision. The shape of the cornea and the lens of the eye is not in symmetry. The cornea is in an oblong shape resulting in loss of vision. In astigmatism, there is a difference in curvature in the various medians of they eye.

There are five types of astigmatism based on nearsightedness and farsightedness. Simple myopic astigmatism is a condition wherein one meridian is nearsighted and the other is functioning free of any impairments. Compound myopic astigmatism has both nearsighted meridians, and one of which has a worse case of myopia. Simple hyperopic astigmatism is wherein one meridian is farsighted while the other is free of any ailments. Compound hyperopic astigmatism deals with both meridians that are farsighted with one meridian having a worse case compared to the other. Mixed astigmatism deals with both meridians having opposite effects, one is myopic, the other hyperopic. Treatment of astigmatism through contact lenses is now available these days. They lens that is referred to treat astigmatism are called “Toric” contacts. They have the same material of that regular contacts hence they can be either soft lens or RGPs. Toric lenses have two purpose, one is treatment for astigmatism while the other is to fix nearsightedness or farsightedness. It also includes a mechanism that keeps the lenses’ stability when the user blinks or looks around.

It is important to have a eye examination with an eye practitioner to check if you are fit to wear toric lenses. The doctor may utilize high-powered spherical soft lens to deal with astigmatism. Doctor and patient must undergo a lot of fitting to make sure that the process is done correctly.

There are many brands of astigmatism contact lens available in the market. Better check with your eye practitioner for the best brand that is suitable for you. Toric contact lenses come in the form frequent replacements, disposable and daily disposables.

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