Abstract
Exophoria (X) may be defined as an outward deviation of the eyes. This may deteriorate to constant exotropia (XT), resulting in partial or complete loss of stereo-acuity and other sensory parameters. Studies have shown a good outcome of stereo-acuity in intermittent exotropia patients with surgical correction. This present 19-year-old female subject with 70 PD strabismus in LE was treated with surgical and therapeutic intervention resulting in stable binocular coordination, a remarkable improvement of stereo-acuity (from < 480 sec of arc to 30 sec of arc). The therapy plan was designed to perform in three stages including 1 hr office-based therapy once a week along with hometherapy for 30 min everyday for 5 months. Anti- suppression therapy was planned in the first stage to restore bi-ocular vision whereas second and final stage therapy was designed for recovery of fusion, accommodation, and stereo-acuity. To understand and conclude regarding improvement, pre and post vision therapy data were compared.
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