Battling Vision

Today, contact lenses are as much for vision as they are for fashion. Giving wearers the ability to change eye color and design in literally the blink of an eye, contact lenses are no longer only for the nearsighted. But before you run out and purchase a pair sporting your favorite team’s emblem you need to carefully consider all that is involved in this seemingly harmless decision.

To wear or not to wear

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Astigmatism for a long time was an eye problem that could not be fully corrected with contact lenses. Mild astigmatism could be adequately improved with soft contact lenses, but there weren’t options for more severe cases. The eye problem itself results from a misshaped cornea - rather than being spherical like a ball, the cornea in people with astigmatism is oblong, shaped more like a football. Because of this shape, light rays can’t refract properly against the retina. Instead of focusing the rays on one spot, the odd shape causes light to refract in multiple locations on the retina, causing the blurred vision, regardless of distance, that is symptomatic of astigmatism.

Understanding toric contact lenses

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The types of contact lenses available today are nearly as numerous as the corrective issues they’re designed to correct. But today’s contact lenses don’t even need to be corrective in nature. Many are purely aesthetic, enabling a wearer to change eye color from brown to violet, for example, or to change from the appearance of human eyes into eyes that resemble that of a cat or wolf or even an alien!

Contact lens prescriptions include information on proper fit, measuring such attributes as curvature and diameter. But the prescription also contains other pertinent information such as proper measurements for correcting vision as well as the brand of contact lens believed most suitable for the patient’s situation.

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