An Epidemiologic Survey of Strabismus among School-Children in Korea. |
Sang Hoon Rah, Hong Sang Jun, Soon Hyun Kim |
Department of Ophthalmology, Wonju College of Medicine Yonsei University. |
전국 취학연령 아동의 사시빈도 조사 |
라상훈(Sang Hoon Rah),전홍상(Hong Sang Jun),김순현(Soon Hyun Kim) |
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Abstract |
We Performed an epidemiologic survey for strabismus among primary school-children in order to investigate the number of strabismus from March 1995 to February 1996. Cover-uncover test and prism cover test were used. The results were as follows:1. Out of 9054 1st grade primary school-children examined, 322(3.56%) were found as strabismus. 2. 322 cases of strabismus include 262(81.4%)exodeviation and 60(18.6%) esodeviation. 3. Alternating type and monocular type strabismus have no difference both in exotropia and esotrapia. 4. In exotropia and esotropia, no sexual predilection was found. 5. Most portion of deviation angle distribute between 11 to 20 prism diopter. 6. The difference of number of strabismus between big cities and small cities was statistically insignificant(p>0.05). |
Key Words:
Epidemiology;School-children;Strabismus |