This study analyses the clinical characteristics, risk factors and treatment outcomes of adult patients diagnosed with acute acquired comitant esotropia (AACE) with small angle deviations. This was a retrospective study of 16 patients (10 males) with mean age of 36.94 ±7.73 years and no prior ocular history or abnormal neuro imaging. Mean refraction was +0.62 ±0.24D for hypermetropic patients and -1.65 ±1.51D for myopic patients. All patients had diplopia of mean 8.81 ±6.82 months duration. Mean follow-up was 22.06 ±18.58 months. Mean esotropia at distance in primary gaze was 7.94 ±5.76PD, on right gaze 14.81 ±8.15PD and on left gaze 13.73 ±8.38PD. Mean near angle esotropia in primary gaze was 1.63 ±3.20PD. 13 patients had use of digital devices for ≥6 hours per day with mean usage overall of 6.8 ±2.7 hours per day. 7 patients had medial rectus botulinum toxin injection of which 5 achieved resolution. 9 had surgery of which 8 had successful alignment. A key clinical finding was having distance diplopia in all cases with a smaller deviation at near fixation and marked deviation increasing on lateral gaze, alongside an association with excessive use of electronic devices.
Clinical characteristics, risk factors and treatment outcomes of adult AACE
Reviewed by Fiona Rowe
Adult small-angle acute acquired comitant esotropia: clinical features and treatment outcomes.
CONTRIBUTOR
Fiona Rowe (Prof)
Institute of Population Health, University of Liverpool, UK.
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