intraocular lens power calculation formula

PURPOSE To evaluate the predictability of intraocular lens (IOL) power calculations using the IOLMaster and four different IOL power calculation formulas (Haigis, Hoffer Q, SRK II, and SRK/T) for cataract surgery in eyes with a short axial length (AL). METHODS The present study was a retrospective comparative analysis which included 25 eyes with an AL shorter than 22.0 mm that underwent uneve...

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Comparison of Newer IOL Power Calculation Methods for Eyes With Previous Radial Keratotomy

2016

Jack X. Ma Maolong Tang Li Wang Mitchell P. Weikert David Huang Douglas D. Koch

PURPOSE To evaluate the accuracy of the optical coherence tomography-based (OCT formula) and Barrett True K (True K) intraocular lens (IOL) calculation formulas in eyes with previous radial keratotomy (RK). METHODS In 95 eyes of 65 patients, using the actual refraction following cataract surgery as target refraction, the predicted IOL power for each method was calculated. The IOL prediction e...

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Intraocular lens power calculation after myopic and hyperopic laser vision correction using optical coherence tomography.

Journal: :Saudi journal of ophthalmology : official journal of the Saudi Ophthalmological Society 2012

Maolong Tang Li Wang Douglas D Koch Yan Li David Huang

PURPOSE To use optical coherence tomography (OCT) to measure corneal power and calculate intraocular lens (IOL) power in cataract surgeries after myopic and hyperopic laser vision correction (LVC). METHODS Patients with previous LVC were enrolled in this prospective study at two centers (Doheny Eye Institute, Los Angeles, CA, USA and Cullen Eye Institute, Houston, TX, USA). Corneal power was ...

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