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Scleral lenses may be used to improve vision and reduce pain and light sensitivity for people with a growing number of disorders or injuries to the eye, such as severe dry eye syndrome, microphthalmia, keratoconus, [1] corneal ectasia, Stevens–Johnson syndrome, Sjögren's syndrome, [2] aniridia, neurotrophic keratitis (anesthetic corneas), complications post-LASIK, higher-order aberrations ...
In 1986, he developed a practical, gas-permeable scleral contact lens to treat and restore vision of eyes with many corneal diseases, which ave been widely adopted in clinical practice, [7] [8] He has also published on oculofacial pain, [9] [10] and dry-eye disease. [11] [12]
Scleral lens, with visible outer edge resting on the sclera of a patient with severe dry eye syndrome. A scleral lens is a large, firm, transparent, oxygen-permeable contact lens that rests on the sclera and creates a tear-filled vault over the cornea. The cause of this unique positioning is usually relevant to a specific patient whose cornea ...
Dry eye may also be caused by thermal or chemical burns, or (in epidemic cases) by adenoviruses. A number of studies have found that people with diabetes have an increased risk for the condition. [26] About half of all people who wear contact lenses complain of dry eyes. [4] There are two potential connections between contact usage and dry eye.
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Because the nerve damage and inflammation often originates in the ocular surface, conventional dry eye treatments including artificial tears are often the first line of treatment. A nonfenestrated scleral lens such as the Boston Ocular Surface Prosthesis (PROSE) can insulate the corneal surface from unwanted stimuli.