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February 1985

Characteristics of Recession-Resection and Bimedial Recession for Childhood Esotropia

Author Affiliations

From the Departments of Ophthalmology (Drs Bartley and Dyer) and Medical Statistics and Epidemiology (Mr Ilstrup), Mayo Clinic and Mayo Foundation, Rochester, Minn.

Arch Ophthalmol. 1985;103(2):190-195. doi:10.1001/archopht.1985.01050020042015

• Of 367 unilateral medial rectus recessions-lateral rectus resections and bilateral medial rectus recessions performed for childhood esotropia from 1960 through 1980, a total of 206 met the requirements for a comparative study. Preoperative and postoperative amblyopia was more prevalent in the recession-resection population and was attributed to the more common occurrence of monocular esotropia in patients undergoing recession-resection. Postoperative ocular alignment was better and the need for subsequent strabismus surgery was less in patients who initially underwent recession-resection. Because preoperative esotropia was found to be significantly greater in three of the four categories recorded among the bimedial recession population, we could not state that recession-resection was the "better" operation. Contrary to our previous recommendations for graded recessions, we now believe that maximal (5-mm) bimedial rectus recessions should be performed initially.

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