Optic Tract Perform, Anatomy & Diagram

The optic tract is an extension of the optic nerve positioned within the mind. It begins on the space the place data from the left eye and proper eye cross (or “decussate”) to create a whole visible image.

The optic tract is definitely comprised of two separate tracts: the left optic tract and the precise optic tract. The left optic tract transfers data from temporal retinal fibers from the left eye and nasal retinal fiber from the precise eye. The fitting optic tract transfers data from the temporal retinal fibers from the precise eye and nasal retinal fibers from the left eye.

Injury to the optic tract can result in homonymous hemianopsia, a situation that causes a partial lack of sight involving both the precise or left visible subject. Stroke, congenital defects, tumors, an infection, and surgical procedure are all attainable causes of homonymous hemianopsia. The broken portion of the optic tract might heal; nonetheless, if full sight is not restored in 6 to 12 months, the situation is more likely to be everlasting.

Peripheral prism expanders and imaginative and prescient restitution remedy might assist a affected person to deal with the injury to the optic tract. Peripheral prism expanders are particular constructions added to glasses that may assist an individual see extra of their periphery, or the realm of their sight view that’s farthest to the precise and left. Imaginative and prescient restitution remedy is a selected class of eye workouts (or “eye stimulation”) designed to reactivate broken nerve cells.

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