Tonometer market is an instrument used for the determination of the intraocular pressure or the pressure of the fluid within the eye. Tonometry is a diagnostic test primarily used to detect glaucoma. Glaucoma is an eye disease in which the optic nerve is damaged. The buildup of the pressure of the extra fluid inside the eye damages the optic nerve, and if this is left unattended, it may first cause peripheral vision loss and could lead to permanent loss of vision. Tonometer is equipped to measure the intraocular pressure by determining the resistance of the cornea to indentation.
The normal intraocular pressure ranges from 12 to 22 mm Hg according to the Glaucoma Research Foundation, and the tonometer measures in units of “mmHg” which is the unit used to record eye pressure. According to a study conducted by the American Academy of Ophthalmology, an estimated 2.2 million people in the U.S. are effected with open-angle glaucoma and is likely to increase to 3.3 million people by 2020.
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Glaucoma is the second leading cause of blindness in the U.S. after macular degeneration. Globally, it is the second leading cause of blindness after cataract. Blindness caused by glaucoma is six to seven times more common in African Americans than in Caucasians. According to The Glaucoma Foundation factsheets, an estimated amount of US$ 1.5 Bn is spent by the U.S. government annually. Glaucoma is more prevalent among the age group of above 60 years.
Key players operating in the tonometer market include Topcon Corporation, Oculus Inc., Keeler Ltd., iCare Medical Inc., Reichert Technologies, Rexxam Co., Ltd., and Nidek Medical India Pvt. Ltd.
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