Trapezoidal relaxing incision for post keratoplasty astigmatism.

Name: Work Video:
Duration: 3 min 30 s
Description: Eleven patients with high astigmatism after penetrating keratoplasty underwent a new form of relaxing keratotomy, the trapezoidal relaxing keratotomy, originally described by Ruiz. The average preoperative astigmatism was 7.89 diopters (range 4.25 to 12.50 diopters) with an average reduction in cylinder of 5.00 diopters (range 0-9.5 diopters). No complications were experienced.
Maxwell Wa; Nordan Lt
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