Abstract
Objective To evaluate the effection of the Pentacam corneal volume in the assessment of corneal endothelial damage caused by phacoemulsification and aspiration. Methods PEA was performed in 68 patients by the same surgeon. Corneal endothelial cell changes were measured using a specular microscope and Pentacam before and three months after surgery. Result Using the specular microscope measurement, the endothelial cells count was (2667.63±272.85 )/mm2 preoperatively, after operation three months the count was (2545.56±298.64 )/mm2, there were significant different. Using the Pentacam evaluating, the corneal volume was ( 59.48± 3.87 )mm3 preoperatively, after operation three months the volume was ( 61.68 ± 4.25 )mm3, there were also statistic different. But comparison the two methods, the latter was better to evaluate the corneal damage. 3mm, 5mm and 7ram corneal volume measurements, the volume of post-operation was increased more than that of pre-operation, specially at the 7mm, but there were no significant different all. The central cornea was thicker after three months, but there were no different with that of pre-operatiun. Conclusions Pentacam can evaluate the whole corneal injures caused the phacoemulsification and aspiration effectely. Key words: Cataract; PEA; Corneal endothelial cell; Pentacam
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