Search results for "Alpins method"

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Intrastromal corneal ring segment implantation in paracentral keratoconus with coincident topographic and coma axis.

2012

To evaluate the efficacy, predictability, and safety of implantation of Ferrara-type intrastromal corneal ring segments (ICRS) for refractive correction of paracentral keratoconus.Fernández-Vega Ophthalmological Institute, Oviedo, Spain.Cohort study.Snellen uncorrected (UDVA) and corrected (CDVA) distance visual acuities and residual refractive errors were recorded before and 6 months after ICRS implantation for keratoconus. The tunnels for ICRS implantation were created with a femtosecond laser. The power vector and the Alpins method were used to analyze postoperative refractive outcomes.The study evaluated 56 eyes of 49 patients. The mean UDVA was 0.17 ± 0.14 (SD) preoperatively and 0.41 …

AdultMaleKeratoconusmedicine.medical_specialtygenetic structuresmedicine.medical_treatmentCorneal StromaVision DisordersVisual AcuityComa (optics)Power vectorKeratoconusRefraction OcularCohort StudiesProsthesis ImplantationYoung AdultOphthalmologymedicineHumansPolymethyl MethacrylateProspective StudiesAlpins methodAgedIntrastromal corneal ring segmentbusiness.industryCorneal TopographyProstheses and ImplantsMiddle Agedmedicine.diseaseeye diseasesSensory SystemsSurgeryOphthalmologySurgeryFemalesense organsLaser TherapyCorneal ringbusinessJournal of cataract and refractive surgery

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