Corneal Contact Lenses

Orthokeratology refers to the creation of gas permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia, hyperopia and astigmatism. This method can be used as an alternative to eyeglasses, refractive surgery, or for those who prefer not to wear contact lenses during the day.

Note: Many Aetna medical plans exclude coverage of contact lenses or eyeglasses. Under medical plans with this exclusion, contact lenses are only covered under medical plans for a narrow set of therapeutic indications, as outlined below. Additional coverage of contact lenses and eyeglasses may be …

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A Brief History of Scleral Lenses. Scleral lenses were actually the first contact lenses described in medical literature in the late 1800’s. adolf fick described his use of blown glass “vesicles” in 1888.

Contact Lenses for Keratoconus: What Are Your Options?Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the …

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A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye. contact lenses are considered medical devices and can be worn to correct vision, or for cosmetic or therapeutic reasons. In 2004, it was estimated that 125 million people worldwide use contact lenses, including 28 to 38 million in the …