Operative treatment has been successful in a number of cases, but as the anterior lobe is essential to life, the operation is merely directed towards the relief of pressure on the optic chiasma with a view to preventing loss of vision.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson
We know that they are directly connected by fibres that arch round through the chiasma.
"The Complete PG Works of Oliver Wendell Holmes, Sr."
Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)