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First Author: J.Vanags LATVIA
Co Author(s): K. Baumane G. Laganovska
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Evaluate keratometric changes after cataract surgery of subluxated lens.
Pauls Stradins Clinical university hospital, Riga, Latvia.
20 patients(20eyes) suffering different stages of lens subluxation were operated. VA, keratometric data, biomicroscopy pre-, postoperatively and 3 months follow up visit were analysed. Karl Zeiss IOL master used for Keratometric data measurements. Intraopertive technique includes 2,75mm temporal corneal tunnel cut, nasal paracentesis for manipulator and 01.30, 04.30, 07.30, 10.30 corneal cuts for capsular/iris hooks for capsular bag stability during operation.
Mean keratometric values preoperatively were 44,07D(ranges 40,33D-46,23D), postoperatively 43,86D(ranges 40,00D- 46,05D).Mean keratometric values at 3rd month follow up visit were 43,97D(ranges 40,50D-46,55D). Keratometric changes at postoperative and 3rd month follow up visit showed statistic significance p<0,05 compared to preoperative measurements. Corneal astigmatic diopter preoperatively were 1,06D(ranges 2,88D-0,18D), postoperatively 1,65D(ranges 6,09D-0D), 3rd month follow-up- 1,10D(2,36D-0,15D), statistical significance not found.
Results shows statistically significant decrease of mean corneal refractive power, flattening corneal surface. Statistically significant changes in corneal astigmatic diopter not found.