A contact lens with a built-in sensor could help determine which glaucoma patients have a higher risk of disease progression, according to a new study. Glaucoma remains a leading cause of blindness. One of the main indicators of the disease is high pressure in the eye, or intraocular pressure. Researchers at Columbia tested the lenses on 40 patients between ages 40 and 89 undergoing treatment for open-angle glaucoma, the most common form of the disease.
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