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Based on the principle of equal advancement and recession of the opposing muscles for horizontal strabismus, the method of operation here described has been found dependable in giving accurately the planned alteration of position of the eyeball which preliminary examination and testing have shown to be desired. One muscle is to be receded the same number of millimeters that the antagonist is advanced. Because of the equal advancement and recession there is little or no tension on the fixing sutures during the operation or during the healing process ; adhesion of the displaced tendons takes place at the site of the sutures. Following the described sequence of the steps of the operation contributes to securing this lack of tension of the sutures and consequently to the exactness of the result.
Measurement of the displacement of the muscles is made with calipers set for the desired distance in millimeters and
CURDY RJ. EQUAL ADVANCEMENT AND RECESSION OPERATION FOR HORIZONTAL STRABISMUS. Arch Ophthalmol. 1937;18(5):802–806. doi:10.1001/archopht.1937.00850110118010
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