A patient has unilateral ptosis and diplopia. On examination there was decreased movement of eyeball in all directions. Patient also complains of difficulty in reading news prints. Most likely diagnosis is: (AIIMS Nov 2013)
|C||Abducent nerve palsy|
|D||Trochlear nerve palsy|
Total paralysis of the oculomotor nerve lesion causes ptosis, a dilated pupil, and leaves the eye "down and out" because of the unopposed action of the lateral rectus and superior oblique. Pupil is semi dilated (mydriasis) and immobile and accommodation is paralyzed.