[Ophthalmological symptoms in patients with giant pituitary adenomas].

In patients with giant pituitary adenomas, visual dysfunction is a common complaint and the chiasmatic syndrome is the major clinical sign of the disease. Reduced vision should be also considered to be a major factor that influences the quality of life. Early and timely diagnosis of a tumor in the absence of its extracellular growth makes it possible to improve visual function in the postoperative period and the quality of life.