속발내사시에서 프레넬프리즘의 치료 효과

• 영문명: The Effect of Fresnel Prism Treatment in Consecutive Esotropia
• 발행기관: 대한안과학회
• 저자명: 김연희 최미영,Youn Hui Kim, M.D., Mi Young Choi, M.D.
• 간행물 정보: 『대한안과학회지』Ophthalmological Society,volume47,number10, 1623~1629쪽, 전체 7쪽
• 주제분류: 의약학 > 기타의약학
• 파일형태: PDF
• 발행일자: 2006.10.31

영문 초록

Purposes: To investigate the effect of Fresnel prism treatment in patients with consecutive esotropia after the surgery of exotropia. Methods: Eighteen patients who have failed alternating occlusion therapy at least 1 month for consecutive esotropia without limitation of ocular motility following surgery for an exotropia were managed with Fresnel prism for esotropia associated with diplopia. The Fresnel prismatic power was selected to solve the diplopia and was changed in accordance with the degree of esodeviation during the follow up period. The surgical correction was performed in the case with increase of esodeviation in spite of the Fresnel prism therapy for 6 months or more. The angle of deviation and diplopia before and after the Fresnel prism therapy were investigated. Results: The mean age at surgery for an exotropia was 7.8 years. The Fresnel prism therapy was performed at 4.2 months after exotropia surgery to solve esotropia in average 15.4 prism diopters (PD) at distance and 14.8PD at near. Of the 18 patients 11 (61.1%) had a successful outcome after average 14.8 months, i.e. 8PD or less of esodeviation, with relief of diplopia without the Fresnel prism. Two patients used the Fresnel prism to solve diplopia associated with esodeviation of 8PD or less. Five patients had esodeviation with 10PD or more and 2 of them were eventually needed a operation for esotropia. Conclusions: The Fresnel prism treatment is an effective device in treating diplopia as well as decreasing the frequency of surgery for esotropia in consecutive esotropia with diplopia.

키워드

Consecutive esotropia, Diplopia, Fresnel prism