Abstract
Tinted contact lenses may or may not have refractive power. Contact lenses used to improve visual acuity have a clear pupil or a pupil with a translucent tint. Contact lenses used to improve the appearance of a nonseeing eye may have a black, opaque pupil. Tinted contact lenses may be used to reduce glare or photophobia in order to improve vision. Cosmetic contact lenses may occasionally induce irregular astigmatism.4
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