Fashion industry is brimming with new trends one of them is the use of contact lenses. Youngsters today prefer varied eye colors for different appearances. This has created a strong demand for disposable contact lenses or soft lenses in the market. Disposable lenses come in variety of replacement options. Replacement refers to how frequently the contact lenses could be changed. Daily disposable lenses are to be changed daily. Disposable (daily wear) have a replacement duration of 14 days or two weeks. Seven day extended wear lenses are to be replaced after a week . Planned or frequent replacement lenses are to be changed after one or more months depending upon the brand. The conventional contact lenses are replaced after an year. These replacement durations are very general n nature and vary according to the amount of lipid; the proteins; produced by the eyes.
Earlier cleaning of lens was a tedious job with various solutions. With passage of time lens manufacturers developed better quality lenses and lens solutions that are easier to use. Lenses protect eyes from UV rays of sun. UV rays from the sun are associated with formation of cataracts. Excessive exposure to UV...