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청소년기에서의 굴절조절내사시의 임상양상

Clinical Outcomes of Refractive Accommodative Esotropia in Korean Adolescent Patients

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목적: 굴절조절내사시의 임상경과를 보고하고 청소년기에 치유되는지 알아보고자 하였다. 대상과 방법: 7세 이전에 진단되고, 5년 이상 경과관찰하였던 32명의 굴절조절내사시 환자를 대상으로 후향적연구를 시행하여 사시각, 약시, 부등시, 융합과 입체시, 안경착용 후 시간경과에 따른 원시변화를 평가하였고, 성공적으로 안경을 벗은 경우 임상특징을 알아보 았다. 결과: 최종 내원 시 평균 연령 및 추적관찰기간은 14.9/10.1년이었다. 초진 시와 최종 내원 시 굴절력은 5.16, 2.52디옵터(D)였다. 안경교 정시작연령은 평균 4.7세였고, 안경착용 후 원시도수(D) = 5.23-0.02 (Time)-0.03 (Time)**2로 원시가 감소하였다. 초진 시 16명(50%) 이 원시의 완전교정안경을, 최종 내원 시 71.9%가 조절마비검사보다 부족교정안경을 착용하고 있었다. 연간원시변화율은 0.26D였고, 18.8%에서 평균 14.7세에 원시안경교정을 종료하였다. 치료 시작 시 원시부족교정은 원시감소율(p = 0.123)과 안경교정 종료여부에 영 향을 끼치지 않았다. 결론: 굴절조절내사시는 대부분 청소년기까지 지속되었고, 시간경과에 따른 원시의 감소는 안경을 벗기에 불충분한 경우가 많았다.

Abstract

Purpose: To report the clinical course of refractive accommodative esotropia (AE) and to determine whether the strabismus resolves during the adolescent years in Korean patients. Methods: A total of 32 adolescent patients with AE associated with hyperopia were retrospectively reviewed. Ocular alignments, amblyopia, stereopsis, changes in refractive error with time after glasses prescribed, and clinical characteristics were studied. Results: The mean age and follow-up were 14.9 and 10.1 years, respectively at the final visit. The Initial and final refractive errors were 5.16 and 2.52 diopters (D), respectively. Spectacles were initiated at a mean age of 4.7 years, and intentional undercorrection initiated from a mean age of 6.3 years. Hyperopic reduction after prescribing glasses followed the formula: Diopter (D) = 5.23 - 0.02 (Time) - 0.03 (Time)**2. Initially,16 out of 32 patients (50%) showed fully corrected hyperopia, and eventually, 71.9% wore partially corrected spectacles. The mean change of hyperopia per year was 0.26 D. Six out of 32 patients (18.8%) were successfully discontinued from hyperopic spectacles and the mean age of weaning was 14.7 years. Intentional initial undercorrection did not affect hyperopic reduction (p = 0.123). Conclusions: AE persists through adolescence for a majority of Korean patients. These patients need to be carefully monitored during follow-up periods because most do not outgrow their hyperopia and need to using spectacles.

참고문헌 (40)

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