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MICS, coaxial phaco have similar rates of induced astigmatism
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WASHINGTON — Incision size plays no role in the likelihood of surgically-induced astigmatism, said one surgeon speaking here.
Eduardo A. Franca Alves, MD, studied 36 eyes of 30 patients undergoing cataract surgery to determine the effect of incision size and induced astigmatism. He presented his results during the American Society of Cataract and Refractive Surgery.
Dr. Alves performed coaxial phacoemulsification on 23 eyes; the remaining 13 underwent micro-incision cataract surgery (MICS). The mean incision size in the eyes undergoing coaxial phaco was 3.21 mm and 2.4 mm for those undergoing MICS.
“There was no difference in induced astigmatism even when the incision size is different,” he said.
It’s the internal incision, not the external cut, that induces the astigmatism, he believes.