A. Sahana, Dr. R. Malarvizhi, Dr. M R Chitra
10 year old girl presented with deviation of right eye since birth with no diurnal variation and diplopia.There was no history of trauma or systemic illness. Vision in right eye was 6/36 NIG NIP and left eye was 6/6. A face turn towards left and chin lift was noted .
Right eye had mild ptosis ,with restriction of adduction,elevation and depression ,with a 5 mm pupil not reacting to light. On primary gaze an exodeviation of 60 PD was noted in right eye.On an attempted adduction of right eye upper lid retraction was noted. Examination of left eye was normal . Fundus of both eyes was normal. MRI brain showed hypoplasia of right oculomotor nerve