Journal of the Korean Ophthalmological Society 1999;40(12):3491-3496.
Published online December 1, 1999.
Consecutive Esotropia Following Surgery for Intermittent Exotropia.
Byung Moo Min, Seong Bok Lee
간헐외사시 수술 후 발생한 속발내사시
민병무(Byung Moo Min),이성복(Seong Bok Lee)
Abstract
Authors reviewed 459 cases which had been followed up over 3 months after surgery to evaluate the incidence of consecutive esotropia and its associated factors. For every case, we investigated the age at the surgery, the methods of surgery, stereopsis, cycloplegic refractive power, the deviation difference between far and near fixation, the deviation before surgery and the results at the postoperative 1 day, 1 week, 1 month, 4 months, 6 months, 1 year and 3 years. The incidence of consecutive esotropia tended to decrease as time passed, and occurred in 21 cases[4.6%] at the last follow-up[averaging 13.1 months]. When the deviation difference between at the distance and the near fixation was above 10 delta and the results at the postoperative 1 day was overcorrection above 10 delta, with significantly higher[p<0.05] incidence of consecutive esotropia. Other factors were not statistically significant. In conclusion, the preoperative factor was the far and near deviation difference above 10 delta and the postoperative factor was the first day postoperative overcorrection above 10 delta. It is considered that the nonsurgical treatment can be desirable for the former cases, and overcorrection above 10 delta should be avoided for the latter.
Key Words: Consecutive esotropia;Intermittent exotropia;Ov ercorrection


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