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Two Orthoptic Treatments in Dragged-Fovea Diplopia Syndrome
Silvia Maddii1, Ilaria Biagini2, Alessia Aragno2
1From the Neuromusculoskeletal Department, Eye Clinic, University of Florence, Florence, Italy. silvia.maddii@unifi.it.
Background:
"Dragged-fovea diplopia syndrome" is a type of central binocular diplopia that is secondary to a foveal displacement, caused by epiretinal membranes (ERMs) or other macular diseases. Its management is difficult, because prisms are not effective.
Case Reports:
Two cases of dragged-fovea diplopia syndrome were presented. Both patients were affected with a unilateral epiretinal membrane. Therefore, the pathophysiology underlying their diplopia was the conflict between central and peripheral fusion mechanisms.
Conclusions:
Diplopia caused by ERM "shift" deserves a complex management. We suggest to be careful about subjective symptoms and to optimize the residual visual function to customize the orthoptic management. A strict cooperation between ophthalmologists and orthoptists could lead to a successful outcome.
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