Fusional area in patients with acute acquired comitant esotropia Tomoko Kaida 1 , Akiko Kimura 2 , Kaori Yoshimatsu 1 , Junko Harasawa 1 , Kazunori Miyata 1 1Miyata Eye Hospital 2Department of Ophthalmology, Hyogo College of Medicine pp.875-879
Published Date 2020/7/15
DOI https://doi.org/10.11477/mf.1410213618
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Abstract Purpose:To report the relationship between fusional area and clinical outcome in acute acquired comitant esotropia(AACE).

Cases and Method:This study was made on 4 cases of AACE complaining diplopia. They were aged from 7 to 21 years, average 15 years. They were examined for ocular alignment and fusional area using alternate prism cover test and major amblyoscope. They received correction of visual acuity and prism therapy with Fresnel membrane as the initial treatment. Strabismus surgery was performed in patients refractory to prism therapy for 6 months.

Results:All the 4 cases showed AACE and basic type esotropia ranging 30 to 45PD. No patient wore adequate eyeglasses. As the initial therapy, all the cases received prism therapy with adequate eyeglasses. Two cases responded to treatment who showed initially normal fusional area of 20° and 41° respectively. In the other cases without normal fusional area received strabismus surgery. Fusional area normalized in these 2 cases after orthophoric eye position corrected by surgery.

Conclusison:Prism therapy with adequate eyeglasses for AACE was effective for ocular alignment in the patients with normal fusional area. Some cases showed recovery of fusional area after surgery.

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