Direct And Indirect Light Reflex Pathway. Either no or sluggish response to light both direct and. The fibers enter the orbit with cniii nerve fibers and ultimately synapse at the cilliary ganglion.
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In 46 patients with definite multiple sclerosis ms the direct and indirect pupillary light reflex latency plrl and visual evoked potential vep latency of the p100 were measured for each eye separately. The consensual plr pathway direct stimulus of the left eye results in an indirect constriction of the right pupil which is termed the consensual response. From the left retinal nerve through to the right pupillary sphincter muscle.
The afferent pathway is composed of both the retinal cells that project to the pretectum and their recipient neurons that project bilaterally to the ew figure 1 the efferent pathway is composed of the preganglionic pupilloconstriction fibers of the ew and.
In 46 patients with definite multiple sclerosis ms the direct and indirect pupillary light reflex latency plrl and visual evoked potential vep latency of the p100 were measured for each eye separately. Observe the direct response constriction of the illuminated pupil. The pathway of pupillary constriction begins at the edinger westphal nucleus near the occulomotor nerve nucleus. In 46 patients with definite multiple sclerosis ms the direct and indirect pupillary light reflex latency plrl and visual evoked potential vep latency of the p100 were measured for each eye separately.
