Impacts of implantable collamer lens V4c placement on angle measurements made by optical coherence tomography: two-year follow up
Purpose To determine iridocorneal angle changes produced after two years of implantable collamer lens ® (ICL) V4c (STAAR Surgical AG) placement by Fourier-domain optical coherence tomography (FD-OCT). Design Prospective interventional case series. Methods In 54 eyes of 27 myopic subjects FD-OCT (RTVue ® , Optovue Inc.) iridocorneal angle measurements were made before, and 1 month, 3 months, 1 year and 2 years after ICL implant. Trabecular-iris angle (TIA), angle opening distance 500 μm from the scleral spur (AOD 500 ) and iridotrabecular contact length (TICL) were compared among these time points and the quadrants nasal, temporal and inferior. Results Preoperative TIAs were 49.5 ...
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