A study regarding efficacy of various intraocular lens power calculation formulas in a subset of Indian myopic population.

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dc.contributor.authorMitra, Ashish
dc.contributor.authorJain, Elesh
dc.contributor.authorSen, Alok
dc.contributor.authorTripathi, Shubhi
dc.date.accessioned2015-02-02T12:02:18Z
dc.date.available2015-02-02T12:02:18Z
dc.date.issued2014-07
dc.description.abstractEfficacy of intraocular lens power calculation formulas in a subset of Indian myopic population. Retrospectively reviewed 43 patients who underwent phacoemulsification with high axial length (AL) (>24.5 mm, range 24.75‑32.35 mm). The power of the implanted intraocular lens (IOL) was used to calculate the predicted post‑operative refractive error by four formulas: Sanders‑Retzlaff‑Kraff (SRK II), SRK/T, Holladay 1, and Hoffer Q. The predictive accuracy of the formulas was analyzed by comparing the difference between the “actual” and “predicted” postoperative refractive errors. Repeated measures analysis of variance (ANOVA) tests were done to have pair‑wise comparisons between the formulas and P < 0.05 was considered significant. A subcategory of axial length 24.5‑26.5 mm was also tested. Holladay 1, Hoffer Q and SRK/T formulas showed a slight tendency toward resultant hyperopia, with mean error of +0.24 diopters (D), +0.58 D, and +0.92 D, respectively. The Holladay 1 formula provided the best predictive result overall.en_US
dc.identifier.citationMitra Ashish, Jain Elesh, Sen Alok, Tripathi Shubhi. A study regarding efficacy of various intraocular lens power calculation formulas in a subset of Indian myopic population. Indian Journal of Ophthalmology. 2014 July ; 62 (7): 826-828.en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/155714
dc.language.isoenen_US
dc.source.urihttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4152660/en_US
dc.subjectHigh myopiaen_US
dc.subjectintraocular lens power calculationen_US
dc.subjectlong axial lengthen_US
dc.titleA study regarding efficacy of various intraocular lens power calculation formulas in a subset of Indian myopic population.en_US
dc.typeArticleen_US
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