Posts Tagged by phaco

IOL injector should match corneal incision size

AsianOphthalmology Alliance logo IOL injector should match corneal incision size

Using an experimental model for calculating induced stress on corneal incisions during intraocular lens implantation, researchers compared the nozzles of common injectors using two incision sizes, 2.4- or 2.2-mm. They showed major differences (greater than 38%) between the lowest and highest levels of induced stress when different injectors and different incision sizes were compared. They suggest that better surgical results may be achieved if surgeons match the injector with the incision size. If the surgeon prefers a specific injector system, the incision size should be matched to the size of the injector’s nozzle. 

American Journal of Ophthalmology, July 2014

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Lid scrubbing increases contamination risk during cataract surgery

AsianOphthalmology Alliance logo Lid scrubbing increases contamination risk during cataract surgery

This randomized, controlled, double-masked trial evaluated two preop sterilization techniques: In one group (153 eyes), the lid margin was compressed and scrubbed for 360 degrees five times with a dry sterile cotton-tipped applicator immediately after ocular sterilization and before povidone–iodine irrigation of the conjunctival sac. The second group (153 eyes) had identical sterilization but no lid scrubbing. The rate of positive bacterial culture in liquid in the collecting bag was significantly higher with mechanical compression of the lid margin (P=.001), perhaps due to secretions from the lid margin glands. 

Journal of Cataract & Refractive Surgery, August 2014 (913)

Removing Retained Lens Fragments: Now or Later?

AOA logo Retained Lens Fragments After Cataract Surgery: Outcomes of Same-Day Versus Later Pars Plana Vitrectomy

Lens fragments, or even the entire lens, can become displaced into the vitreous cavity during the course of cataract surgery, as a consequence of a break in the posterior capsule or a loss of the intact peripheral zonular barrier. Although this complication is usually apparent during surgery, retained lens material may not be recognized for days or weeks after surgery.

When lens material begins to drop into the vitreous cavity, (more…) (1777)