Correcting astigmatism effectivelyFirst things first: do you suffer from astigmatism?Do you suffer from astigmatism? If you have no idea what astigmatism is, don't be alarmed. It's really a fancy word for a very common eye condition. In fact, most people on earth have some amount of astigmatism, though it may be so slight for most, that it causes them no vision problems. For those significantly affected, symptoms may include headache, blurred vision and eyestrain. What is astigmatism?
Blurry vision is due to the irregular curvature of the cornea. Astigmatism is a form of visual impairment due to the irregular curvature of the front surface of the eye, the cornea. Instead of being spherical like a basketball, the cornea is shaped more like a rugby football. So light rays entering the eye are not uniformly focused on the retina. The resulting blurry vision occurs because only a part of the viewed image is seen in focus at any one time. Often, people with astigmatism express difficulty in differentiating between similar looking letters and numbers, e.g., Q from 0, 8 from 6, and B from 8. Also, difficulty in focusing leads to poor night vision.   Play this game to test your eye sight. Still a bit confusing?Worry not. In most circumstances astigmatism can be easily corrected with glasses or contact lenses. Recent advances in contact lens technology and manufacturing have done wonders to help people with astigmatism. Some contact lens designs use the natural force of the eyelids to orient and centre the lens during and between blinks! ASD helps to keep your lenses in place. Modern daily disposable and frequent replacement soft toric contact lenses can be prescribed for many people with astigmatism. These lenses are affordable and can be disposed of on a frequent basis.  |
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