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— Although the great majority of esotropic patients with DRS have a deviation of 30 PD or less, the fact that one of the patients had 35 PD of esotropia should not cause the diagnosis of DRS to be in doubt. It has been my experience that adults with esotropia and DRS tend to have larger deviations. The patient with 35 PD of esotropia was 32 years old at the time of diagnosis and had the other associated ocular motility findings. If this patient had a recovering sixth-nerve palsy, and if a 7-mm medial rectus recession had been performed, then it is certainly possible that a consecutive exotropia could develop but not a limitation of adduction to this degree.Unfortunately, I did not examine the child who was operated on three times prior to my evaluation. I did discuss his case in detail with the other ophthalmologist, who
Nelson LB. Duane's Retraction Syndrome and Severe Adduction Deficiency-Reply. Arch Ophthalmol. 1986;104(11):1586-1587. doi:10.1001/archopht.1986.01050230024012