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Intra-correlations between cataract density based on Scheimpflug image, phacodynamics, surgery duration, and endothelial cell loss after phacoemulsification

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Session Details

Session Title: Presented Poster Session: Equipment, Instrumentation & Surgical Devices

Venue: Poster Village: Pod 1

First Author: : A.Alosaily SAUDI ARABIA

Co Author(s): :    M. Aljindan                       

Abstract Details


To assess intra-correlations between lens density based-on Scheimpflug Imaging System, power used during surgery, surgery duration, and endothelial cell loss in eyes with nuclear cataract


Department of Ophthalmology, King Fahd Hospital of the University, Alkhobar, Saudi Arabia.


Patients with age-related nuclear cataracts but no previous history of ocular surgery, diagnosed between April 2017 and September 2017, were enrolled in this prospective, cross-sectional, observational trial. The objective lens density and endothelial cell density were measured using the Scheimpflug system and specular microscopy, respectively. Intra-operatively, all phacodynamic parameters and duration of the surgery were documented


This study of 62 patients (71 eyes) with a mean age of 58.56 ± 10.4 years. The mean Scheimpflug-measured lens density was 13.93 ± 3.27. There were a positive linear correlations between the Scheimpflug-measured lens density and phacodynamic parameters, power (AVG %), ultrasound time, and elliptical motion (r= 0.501, r= 0.620, and r= 0.641, respectively; all P< .001), amount of endothelial loss (r= 0.445,P<.001), and surgery duration (r= 0.346;P < .01). Phacodynamic parameters were positively correlated with degree of endothelial loss (P<.01). The length of the surgery failed to show any correlation with damage happened to the endothelium (r= 0.210,P>.05)


A positive correlations were observed between Scheimpflug-measured lens density with phacodynamic parameters, surgery duration, and endothelial loss. A strong correlation was observed between the degree of endothelial cell loss and phacodynamic parameters but not with the length of the procedure.

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