What is contact lens
Contact lenses are devises used to correct the visual acuity of the person wearing them. These modern day contact lenses are almost invisible due to their transparent nature. These lenses are placed directly on the eyes. The most commonly used contact lenses are soft lenses. The contact lenses can be used both for correcting the vision and also for cosmetic purpose. Contact lenses are more convenient to use than glasses due to a number of reasons. It is imperative that one visits an eye care specialist to do a thorough check before putting on the contact lenses.
A chemist named Otto Wichterle was responsible for inventing the modern contact lenses. Otto was helped by his assistant Drahoslav Lim who also helped devel...