Some patients may find that their frequency of headaches changes. Long Term Regular visual field and acuity assessments will be needed. The pituitary normally sits under the optic apparatus. When the pituitary enlarges, visual problems caused by compression of the visual pathway are often the first symptom. The chances of at least partial recovery are good if the tumour is treated promptly.
Treatment is effective in stopping any further visual loss in almost all cases.
The tumour may prevent the normal pituitary from being able to secrete the hormones that control menstruation and fertility. Resources for patients Visual problems . Proceedings of the inaugural Pituitary Foundation Conference p 2. Available from the Pituitary Foundation. Pituitary News 11 p 4-5 .