If you notice halos forming around light sources like lamps and bulbs, consult with your optometrist right away because you may be experiencing early symptoms of astigmatism. Astigmatism has more to do with the subtle flaws inside your eyes. Normally, light enters the cornea and lenses of your eyes which then refracts it into the retina. In some people, however, this process can be disrupted by changes in the curvature of the cornea. This condition is known as astigmatism.
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