The aim of this study was to determine whether strabismus surgery is associated with changes in macular thickness as detected by OCT. The study included 60 eyes of 30 patients with mean age of 28.9±14.2 years undergoing unilateral surgery. Mean central foveal thickness was 201.63±18.36um preop and 206.03±22.73um postop. Outer temporal thickness was 220.10±16.23 preop and 225.80±14.78um postop. There was no significant difference in any other quadrants and no differences for retinal measures for 30 control eyes. A significant increase was noted in mean central foveal thickness for those undergoing rectus surgery (5.82±11.27) versus oblique surgery (0.50±4.17). All changes were asymptomatic. The authors proposed that changes may be due to changes in mechanical forces from extraocular muscle surgery or to postoperative inflammation. 

Macular thickness following strabismus surgery as determined by OCT.
Mintz HR, Waisbourd M, Kessner R, et al.
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Fiona Rowe (Prof)

Institute of Population Health, University of Liverpool, UK.

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