Pupillary reaction to light is still normal in lesion/injury to
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
Optic nerve
Optic disc
Optic tract
Optic chiasm
Diseases of the Optic Nerve