FRESNEL PRISM

Clinical trials for FRESNEL PRISM explained in plain language.

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Completed 1

Prism glasses expand vision for hemianopia patients

Symptom relief Completed

This study tested special glasses with Fresnel prisms in 25 adults who lost half their vision (homonymous hemianopia). The goal was to see if the prisms could expand their visual field and be comfortable to wear. Researchers measured vision changes and comfort levels to help impr…

Matched conditions: FRESNEL PRISM

Phase: NA • Sponsor: Indonesia University • Aim: Symptom relief

Last updated May 01, 2026 15:56 UTC

FRESNEL PRISM

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Prism glasses expand vision for hemianopia patients