Factors influencing improvement of visual field after trans-sphenoidal resection of pituitary macroadenomas: a retrospective cohort study.

Aim: To investigate the influencing factors of visual field improvement after trans-sphenoidal resection of pituitary macroadenomas.

Methods: This retrospective cohort study included 201 patients (366 eyes) with visual field defect induced by pituitary macroadenomas. All of them were treated with trans-sphenoidal surgery.