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Article
January 1971

Reduction of Ocular Torque by Medial Rectus Recession

Author Affiliations

Iowa City
From the Department of Ophthalmology, University of Iowa, College of Medicine, Iowa City.

Arch Ophthalmol. 1971;85(1):13-17. doi:10.1001/archopht.1971.00990050015003
Abstract

A prevalent concept in strabismus surgery is that excessive recessions cripple an extraocular muscle because of a decrease in mechanical advantage. The mathematical analysis presented, coupled with length-tension diagrams, supports my hypothesis that gross underactions of muscles excessively recessed are due primarily to a marked decrease in the force of contraction rather than a marked loss in mechanical advantage.

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