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Tag Archives: Lenses

At what age are children allowed to wear contact lens

Contact lenses are thin lenses placed directly on the surface of the eyes. They are ocular prosthetic devices used by over 150 million people worldwide. These medical devices worn directly on the eyes' cornea can help correct refractive errors. Therefore, it also performs this function by adding or subtracting focusing power to the eye's cornea and lens.

A bifocal lens

Bifocal Lenses are made up of two different power strengths in a single lens for distance and near vision. The upper and lower part of the lens is separated through a visible distinct line. There is no gradual distinction between the two. In addition, you have to look up and down to switch between the prescriptions you need. However, with a long-distance prescription at the top and near vision at the bottom.