Overview about Sclera Contact Lenses and Their Usage Contact lenses are medical devices and their usage is no longer limited to vision correction. They are made from a plastic like material that rest over the cornea. Regular contact lenses and even other decorative lenses can correct problems like myopia, hyperopia, presbyopia and astigmatism. Contact lenses these days are not used just for vision correction but to enhance the look of the eyes. They come in different colors, designs and styles. Such lenses can also be termed as cosmetic contact lenses, Halloween contact lenses or theatrical lenses. Some people wear them for their vision problems while others may wear just for making a style statement. These special effect contact lenses also come in scleral and mini-scleral designs. Scleral and mini sclera contacts are hard and almost similar to rigid gas permeable (RGP) lenses. They are larger in diameter than other conventional lenses and cover even the white part of the eye. Medically, scleral contact lenses are used to correct the problems caused by irregular cornea and keratoconus. Are sclera contact lenses safe? These lenses are used mainly during Halloween or any other costume party. These contacts can definitely give a new definition to your entire look and can be fun while dressing up. They are absolutely safe if they are purchased with a prescription and fitted from an optometrist or an ophthalmologist.
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