Journal of the Korean Ophthalmological Society 1995;36(9):1561-1567.
Published online September 1, 1995.
Is The Nonsurgical Treatment Effective on Intermittent Exotropia in Children of School-Age?.
Jin Yong Park, Ho Yeal Sohn, Yoonae A Cho
1Department of Ophthalmology, Capital Armed Force General Hospital, Seoul, Korea.
2Department of Ophthalmology, College of medicine, Korea University, Seoul, Korea.
학동 간헐외사시에서 비수술요법의 효과
박진용(Jin Yong Park),손호열(Ho Yeal Sohn),조윤애(Yoonae A Cho)
We studied whether patching, overcorrecting minus lenses(loverminus lenses) and combination of both(combined therapy) can reduce and prevent the progression of exodeviation in schoolchildren with intermittent exotropia. Short-term patching of the good eye for one to three hours, overminus lenses added by -0.50 ~ -3.00 diopters and combined therapy were given to the 50 children between 7 and 15 years of age with intermittent exotropia. The average correction of exodeviation by each therapy was 11.8PD(Prism Diopters), 11.9PD and 13.6PD at distant respectively in patients who showed improvement of exoangle of 6PD or more. Among them, the combined therapy was the most effective. At distant, the improvement of exoangle more than 6PD was shown in 56% and more than 10PD in 26%. Eighty-two percent improved the exoangle more than 6PD at near or distant, and 57.7% more than 10PD. The largest reduction of exoangle was obtained at 6 months after treatment. Thereafter the improved exoangle was rather maintained than increased. The authors recommend the short-term patching of one to three hours, overminus lenses added by -0.50 ~ -3.00 diopters and combined therapy may be used as an effective tools on decreasing and preventing progression of exoangle before surgery and on treating the recurrent small angle exotropia less than 20PD in schoolchildren more than 7 years of age with intermittent exotropia.
Key Words: Intermittent exotropia;Patching;Overminus lenses;Combined therapy;Schoolchildren

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