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Latest from Dean McGee Eye Institute
Study: Accurate refractive predictions remain difficult in patients with keratoconus
May 05, 2022
Video
Newer generation formulas generally outperformed older generation formulas, with SRK/T performing the best of older formulas, especially when using TK values.
New software program improves biometry measurements obtained by OLCR biometer
May 05, 2022
Video
Lens thickness and anterior chamber duct values obtained by Lenstar can be improved by SpikeFinder to reduce errors in measurements.
Study compares postoperative refractive accuracy of formula-modified keratometry values versus total keratometry values obtained by a swept-source OCT biometer with new-generation multivariable IOL calculation formulas
May 04, 2022
Video
Older generation non-LVC formulas show marked improvement upon using TK values vs K, while multivariable non-LVC formulas did not consistently improve.
Standard keratometry values perform better compared to total keratometry values in eyes undergoing concurrent cataract surgery and DMEK
May 04, 2022
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Results concluded that K did better than TK in a variety of situations.
Study: IOL calculation remains challenging in PKP eyes
May 04, 2022
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The study assesses and compares the accuracy of IOL formulas using keratometry (K) and total keratometry (TK) values obtained by a swept-source OCT biometer (IOL Master 700) in eyes with previous PKP prior to cataract surgery.
Study finds considerable variability in specific optical path variables when measuring the same eyes with SS-OCT and OLCR biometry devices
May 04, 2022
Video
There is considerable variability in variables when measuring the eyes with both biometers, which may affect formula performance and postoperative refractive predictions when using formulas that utilize values like interior chamber depth and lens thickness.