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Faster improvement in BCVA seen with biaxial microincision cataract surgery
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Patients experienced earlier improvement in best corrected visual acuity and effective phacoemulsification time was shorter with biaxial microincision cataract surgery as compared with coaxial small-incision cataract surgery, according to a study.
“This study shows that both the [bimanual] MICS and the SICS phacoemulsification techniques have excellent surgical outcomes,” the study author said, noting that there were “no statistically significant differences in astigmatism or endothelial cell count relative to the coaxial small-incision technique.”
The prospective, controlled, paired-eye clinical study analyzed 84 eyes of 42 patients. Each patient underwent bimanual microincision cataract surgery (MICS) in one eye and small-incision cataract surgery (SICS) in the other eye. All eyes were implanted with an aspheric microincision IOL.
Improvement from baseline BCVA was statistically significantly greater in MICS eyes at 1 day postop (P = .005). There were no significant differences in BCVA between the groups at 3 days, 1 week and 8 weeks postop.
There was a statistically significant improvement in uncorrected visual acuity with MICS compared with SICS at the first three postop examinations but not at the 8-week point.
There was no difference in mean phaco power, but the effective phaco time was lower in the MICS group at 1.6 seconds compared with the SICS group at 2.8 seconds.
“The biaxial technique allows for microincisions in the cornea and implantation of a microincision IOL for less trauma and more effective visual recovery,” the study author said.
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