OCTA
Clinical trials for OCTA explained in plain language.
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New eye scans reveal hidden clues in glaucoma
Knowledge-focused Recruiting nowThis study uses advanced eye scans (OCT and OCTA) to look at the retina and choroid—the layers at the back of the eye—in people with different types of glaucoma. Researchers will compare 132 participants, including healthy volunteers and those with angle-closure or open-angle gla…
Matched conditions: OCTA
Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University • Aim: Knowledge-focused
Last updated Jun 16, 2026 12:48 UTC
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Nerve block may reveal hidden eye changes in brain injury patients
Knowledge-focused Recruiting nowThis study looks at how a nerve block (stellate ganglion block) changes tiny blood vessels in the eye. Researchers will use a special camera to take pictures of the retina before and after the procedure in 50 adults who are already receiving the block for pain. The goal is to und…
Matched conditions: OCTA
Sponsor: University of Texas Southwestern Medical Center • Aim: Knowledge-focused
Last updated May 26, 2026 12:00 UTC