Clinical characteristics of spontaneous late-onset comitant acute nonaccommodative esotropia in children

Kothari, Mihir
March 2007
Indian Journal of Ophthalmology;Mar2007, Vol. 55 Issue 2, p117
Academic Journal
journal article
Purpose: To describe the clinical characteristics of spontaneous, late-onset comitant acute, nonaccommodative esotropia (ANAET) in children.Materials and Methods: Clinical characteristics of a cohort of patients under 16 years of age with ANAET were studied retrospectively.Results: Of 15 patients eight were females. Mean age was 7.15 years (range 2.5-13, SD 3.34). Mean age of the onset of deviation was 3.2 years (range 1.5-9, SD 2.26). Mean duration of strabismus was 36 months (range 3-132, SD 43). History of a precipitating event was present in five patients (33.3%). Mean cycloplegic refraction was 1.84 diopter sphere (range -5.75 to +7.25, SD 3.55). Mean esodeviation for near and distance fixation was 40 prism diopter (range 15-90, SD 23.9). None had near/distance disparity of more than 5 prism diopter. Amblyopia was present in 13 cases (87%). Strabismus surgery was performed for eight patients. Five patients had orthophoria and three were aligned within 8 prisms esodeviation.Conclusion: ANAET is more common than previously reported, has a variable time of onset and high incidence of amblyopia. Timely management would avert emergence of amblyopia and vertical incomitance thereby promising better binocular outcome.


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