PERAZA-NIEVES , Jorge

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Purpose: To assess the height, area, and density of tear meniscus throughout 10 min after instillation of sodium hyaluronate (SH) of equal molecular weight at two different concentrations. Methods: Thirty-four eyes from 17 patients were enrolled in this longitudinal, nonrandomized, interventional and contralateral eye study. Tear meniscus...

Purpose: To evaluate the accuracy of 12 intraocular lens (IOL) power formulas; Barrett Universal II, Emmetropia Verifying Optical (EVO), Haigis, Hill-Radial Basis Function (RBF), Hoffer Q, Holladay I, Kane, Ladas Super Formula, Olsen Lenstar, Panacea, Pearl-DGS, Sanders-Retzlaff-Kraff / theoretical (SRK/T). In addition, an analysis of the...

Purpose. To analyze astigmatism axis changes after tropicamide and phenylephrine combined instillation. Method. One hundred and thirty-one eyes from sixty-six patients enrolled this cross-sectional study. An extensive ocular examination was carried out prior to tropicamide and phenylephrine instillation. Power and axis value from flat, steep,...

This systematic review reported the outcomes of laser corneal refractive surgery in pregnant or breastfeeding patients. This study was performed by searching in PubMed, Web of Science, and Scopus databases, on June 15, 2020. Included were 128 eyes from a total of 64 patients, with the mean maximum follow-up was 39.2 ± 36.14 months. Time from...

Purpose: To describe the effectiveness and safety of nicergoline in patients with epithelial corneal defect or corneal ulcer due to neurotrophic keratitis. Methods: A prospective case series review was performed in 14 patients (14 eyes) with neurotrophic keratopathy who started treatment with nicergoline as an off-label prescription from...

Purpose: To describe pediatric keratoconus (KC) patients by tomographic and aberrometric characteristics at first diagnosis, in a multicenter study. Methods: We included 278 eyes from 139 pediatric patients, with a first tomographic diagnosis (Pentacam®) of KC prior to 18-years-old. KC classification was based on the KC Index (≥ 1.07) and...