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No vitreoretinal complications reported after PRK in long-term case series

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BARCELONA — A retrospective analysis of 455 eyes that underwent PRK showed no evidence of vitreoretinal complications up to 9 years after surgery, according to a surgeon speaking here.

"Only one patient complained of floaters in one eye," Carole Liernur, MD, said at the meeting of the European Society of Cataract and Refractive Surgeons. "This minor complication was most likely related to the natural history of myopia rather than to refractive surgery."

Preoperative spherical myopia ranged from –1 D to –10 D. All patients were treated with the Nidek 5000 excimer laser, according to Dr. Liernur.

"Retinal detachments have been described as occurring after LASIK, but PRK is very safe in this respect," she said.

Potential disadvantages of PRK are nowadays easily overcome. The use of sodium hyaluronate during surgery reduces the occurrence of haze, and patients who complain of postoperative pain — about two-thirds of patients in Dr. Liernur's series — can alleviate it with one or two drops of tetracaine 1% for no more than 3 days.