International Journal of Ophthalmic PathologyISSN: 2324-8599

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Arzu Taskiran Comez (Turkey) Author


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Research Article Open Access

Accuracy of Intraocular Lens Power Calculation Formula

Author(s):

Aydin Yildiz* and Arzu Taskiran Comez (Turkey)

Aim: To investigate the accuracy of seven currently-used intraocular lens (IOL) power calculation formulae. Patients and methods: A total of 429 eyes of 429 patients were retrospectively analyzed. A low-optical coherence reflectometry device (Lenstar, Haag-Streit) was used for the calculations. SRK/T, Hoffer Q, Haigis, Holladay-2, Olsen, Hill-RBF and Barrett Universal II formulae were studied. The study included patients who underwent phacoemulsification surgery with a 2.8 mm corneal cut by a single surgeon. Refraction measurement was done at the first postoperative visit, and then spherical equivalent values were recorded for each patient. Mean absolute error (MAE) was calculated as the absolute value of postoperative spherical equivalent value minus predicted error for each formula. R... view moreĀ»

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