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`Chop' technique for phaco proves safe in previously vitrectomized eyes

Acta Ophthalmol. 2009;87(4):382-385.

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Phacoemulsification using the "phaco-chop" technique in previously vitrectomized eyes was found to be safe, a study showed.

The prospective, interventional case series included 75 vitrectomized eyes of 73 patients who underwent phacoemulsification cataract surgery using a phaco-chop technique through a normal clear corneal incision. Investigators recorded intraoperative and early postoperative complications.

Results showed that 54 eyes (72%) had predominant nuclear sclerosis or posterior subcapsular cataract. Intraoperative miosis was seen in 21 eyes (28%) and intraoperative posterior capsule plaque was seen in 15 eyes (20%). Investigators saw no other serious intraoperative complications such as posterior capsular rupture, zonular lysis or dropped nuclei.

Early postoperative data showed one patient with a massive choroidal detachment that was corrected with conservative therapy.

Mean preoperative logMAR visual acuity was 0.74; mean postoperative logMAR visual acuity was 0.36. The difference was statistically significant (P < .001).