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What is Pupillary reaction to light is still normal in lesion/injury to and explain in detail?
Ans. (b) Optic disc* Optic disc is not involved in papillary light reflex.* Pathway of papillary light reflex:Retina - Optic Nerve - Optic Chiasma - Optic Tract - Prerectal Nucleus - Edinger Westphal Nucleus - Inferior Division of 3rd Nerve - Ciliary Ganglion - Short Ciliary Nerves - Sphincter Pupillae