Abstract
The opticokinetic reflex has been used by a number of investigators1,2to estimate visual acuity objectively and, more recently, has been utilized by Gorman3in this laboratory to estimate the visual acuity of newborn infants. The present investigation is an attempt to correlate Gorman's objective results with known subjective visual acuities. The opticokinetic reflex is dependent upon a reflex arc composed of the retina, optic nerve, optic tract, optic cortical areas, association fibers to the ocular motor centers and finally with the cranial nerves 3, 4, and 6. The fact that cortical areas are necessary for this reflex was early established by Cords4and subsequently verified by many others. As a result of this, it can be stated confidently that when the reflex is present the subject is capable of vision.5 Opticokinetic nystagmus (train nystagmus) is present when a visible field is moved in front of
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