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KMID : 0360219760170040453
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Journal of the Korean Ophthalmological Society
1976 Volume.17 No. 4 p.453 ~ p.456
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Four Cases of the Cyclic Esotropia
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Abstract
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In the practice of pediatric ophthalmology there is opportunity to exam four cases of comitant convergent malalignments which recur within a regular and alternat-day rhythmic cycle. The cases would awake on the morning with straight eyes that remained all of a day and re-crossed through the iiext day. The deviations measured comitant 45, 55, 45 and 40 prism diopter on the strabismic days.
Cyclic esotropia (circadian esotropia) is a rare and interesting unusual form of ocular motility disturbance. It was first reported by Burian in 1958. and approximately 50 cases have been reported with an incidence of one case in 3, 000 5, 000 of strabismcs. The.etiology of the clock. work mechanism remains unknown.
Surgery is the treatment of choice and may be undertaken at any time . and in almost any from to achieve good cosmetic and functional results. Post-operatively and for 12 months of follow-up, the alignment in the case ´one has remained orthophoric.
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