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From Medical Daily:
Researchers for the first time identified distinct characteristics of different types of glaucoma using optical coherence tomography (OCT) angiography by observing the disease in its earlier stages. The findings published Friday in the journal IOVS could help doctors diagnose the illness earlier, which could help slow down the loss of vision associated with glaucoma.

The disease, which is characterized by progressive loss of vision, occurs when the optic nerve connecting the eye to the brain is damaged due to pressure. OCT angiography, an advanced imaging system, can capture the movement of red blood cells in the blood vessels without having to use dye injections as is the case with traditional angiography.

Researchers from the Mount Sinai Hospital in New York and Rutgers New Jersey Medical School found that patients with glaucoma have poor blood flow compared with people who don’t have glaucoma. They observed 92 people between April and August 2015. All the patients were over 50 years of age and belonged to one of the three groups: primary open-angle or high-pressure glaucoma, normal-tension or low-pressure glaucoma, and no glaucoma.

Read more here.

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