Clinical outcomes after implantation of a posterior chamber collagen copolymer phakic intraocular lens with a central hole for myopic correction.

摘要: Purpose To evaluate the efficacy, predictability, safety, and stability of a new-model posterior chamber Implantable Collamer Lens phakic intraocular lens (pIOL) (V4c Visian) to correct myopia. Setting Private practice, Oviedo, Spain. Design Case series. Methods This study enrolled patients who had implantation new pIOL design with central hole for more natural aqueous flow, eliminating need neodymium:YAG iridotomy or peripheral iridectomy. The uncorrected (UDVA) corrected (CDVA) distance visual acuities, refractive error, pressure (IOP), endothelial cell count, vault, adverse events were evaluated 6 months postoperatively. Results 138 eyes (70 patients). mean spherical equivalent decreased from −8.73 diopters (D) ± 2.54 (SD) preoperatively −0.03 0.19 D postoperatively; 98.5% within ±0.50 100% ±1.00 D. UDVA CDVA 20/20 better in 92.1% 95.0% eyes, respectively, at months. safety efficacy indices 1.01 1.00, respectively. Postoperatively, IOP remained stable over time. No significant rises (including pupillary block) no secondary cataract found. After months, vault was 482.7 210.5 μm (range 90 970 μm) loss 8.5%. Conclusions Implantation effective, predictable, safe, correction moderate high myopic errors. design, which avoids iridectomy, provided good outcomes. Financial Disclosure author has financial proprietary interest any material method mentioned.