The main use of contact lens is corrective, i.e. to correct the refractive errors of the eye like myopia (short sightedness where the individual is unable to see objects far from him/her), hypermetropia (near sightedness where the individual is unable to see objects which is nearer to him/her), astigmatism (a condition where light rays do not fall on retina due to curvature problem of lens), presbyopia (where individual is unable to adjust his/her eyes fast while seeing near and fast objects very fast). But these days of fashion many individuals are using contact lenses for cosmetic reason, to make eyes more beautiful or to change the appearance of the eyes or simply to experience the different looks of the eyes. For many individuals contact lenses may serve dual purpose of correcting vision as well as cosmetic purpose.
The USFDA (United States Food and Drug Administration) terms the cosmetic contact lenses as “decorative contact lenses”. Cosmetic contact lenses can cause irritation, especially in the initial stage but on long term use the eyes get accustomed with the lenses and cause no more irritation or discomfort to the eye. But still, experts advise not to use cosmetic lenses for very long time although several research and studies has found no correlation of cosmetic contact lenses with any form of permanent eye damage.
Although use of cosmetic contact lenses is in the rise still they constitute very small percentage of total use and constitute less than 5% of total contact lens use. If you use contact lens, it should be used strictly with aseptic precaution; otherwise it may give rise to many complications like infection and injury to the cornea.
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