Alternating esotropia, monocular and binocular macro square wave jerks: Improvement with base-out prisms

S. Traccis Neurological Clinic, Sassari University, Sassari, Italy

G. Rosati Neurological Clinic, Sassari University, Sassari, Italy

M. F. Monaco Neurological Clinic, Sassari University, Sassari, Italy

I. Aiello Neurological Clinic, Sassari University, Sassari, Italy

M. I. Pirastru Neurological Clinic, Sassari University, Sassari, Italy

S. Becciu Neurological Clinic, Sassari University, Sassari, Italy

P. Loffredo Neurological Clinic, Sassari University, Sassari, Italy

V. Agnetti Neurological Clinic, Sassari University, Sassari, Italy

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Abstract

Quantitative eye movement recordings in a patient with suspected multiple sclerosis who had alternating esotropia, horizontal nystagmus and downbeat nystagmus showed occasional monocular macro square wave jerk intrusions and oscillations in the fixating eye during spontaneous monocular fixation, and binocular macro square wave jerk oscillations during the effort to fuse. Base-out (converging) prisms suppressed nystagmus, oscillopsia, and macro square wave jerks, and restored normal binocular function.

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Alternating esotropia, monocular and binocular macro square wave jerks: Improvement with base-out prisms

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Alternating esotropia, monocular and binocular macro square wave jerks: Improvement with base-out prisms

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