Stopped: There was no change in size of the Nd:YAG laser-treated GCD deposits as assessed by the various modalities on visit 2, and it was decided to terminate the study.
Granular Corneal Dystrophy is a rare hereditary disease characterized by the development of deposits within the cornea, which may in turn affect the quality of vision. Still today, all existing treatment options are based on surgical intervention and there is no minimally-invasive treatment available for the disease. The goal of this clinical trial is to test the effectiveness and safety of Neodymium-doped yttrium aluminum garnet (Nd:YAG) laser as a minimally-invasive treatment for people suffering from Granular Corneal Dystrophy. The main question it aims to answer is if Nd:YAG laser is able to disintegrate the characteristic corneal depositions in a safe manner without causing significant adverse effects. If found suitable to be part of the study, participants will first undergo a series of imaging studies to measure and characterize the corneal deposits. After completion, the participants will undergo the Nd:YAG laser treatment under local anesthesia by a corneal specialist, targeting deposits not involving the visual axis. Following the treatment, participants might need to take antibiotic eye drops for a duration of approximately one week. The participants will be required to attend two follow-up visits: one week after the treatment and 3 months after the treatment. In each one of the follow-up visits, an eye examination will be performed and the same series of imaging studies that was performed prior to the Nd:YAG laser treatment will be repeated.
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Change in size of granular corneal deposits due to Nd:YAG laser treatment
Timeframe: Baseline, Post-intervention day 7, Post-intervention 3 months