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ORTHOPTIC treatment is of value for the patient with simple suppression. There always exists the problem of the patient's persistence in whatever method of orthoptic training is initiated. The most difficult single aspect of orthoptic training is that of maintaining the interest of the young patient for a period long enough actually to accomplish the desired result.
A method utilizing television as the orthoptic instrument avoids the monotony of many other orthoptic procedures. A Polaroid lens is placed in front of the television screen. Half the Polaroid screen is placed at an axis of 90 degrees, and half, at an axis of 180 degrees (Figure, A and B).
The patient wears a pair of glasses with lenses matching the two sides of the Polaroid in front of the television screen. Each eye views one-half the television screen. This arrangement necessitates simultaneous perception if the entire screen is to be seen.
McGANNON WJ. TELETRAINER. AMA Arch Ophthalmol. 1953;50(3):354-355. doi:10.1001/archopht.1953.00920030361016