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Year : 2007  |  Volume : 55  |  Issue : 2  |  Page : 117-120

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

Department of Pediatric Ophthalmology and Strabismus, Bombay City Eye Institute and Research Centre, 5 Victor Villa, Babulnath Road, Mumbai - 400 007, India

Correspondence Address:
Mihir Kothari
Jyotirmay Eye Clinic for Children and Squint and Pediatric Low Vision Center, 205, Ganatra Estate, Pokhran Road No 1, Khopat, Thane West - 400 601, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0301-4738.30705

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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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