Hydrogel Could Open New Path for Glaucoma Treatment Without Drugs or Surgery

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Researchers have developed a potential new treatment for the eye disease glaucoma that could replace daily eye drops and surgery with a twice-a-year injection to control the buildup of pressure in the eye. (Credit: Rob Felt, Georgia Tech)

A microneedle less than a millimeter in length is used to inject a natural and biodegradable polymer material into a structure in the eye. The material forms a hydrogel that holds open a pathway to release pressure from the eye. (Credit: Gary Meek, Georgia Tech)