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To the Editor:
—Recently, Bayard (Unilateral Glaucoma Following Resection of a Tumor of the Superior Fornix, Arch Ophthal 70:647 [Nov] 1963) described an interesting case of unilateral open-angle glaucoma detected about one year after removal of a tumor in the upper fornix and aggravated after resection of almost 50% of the subconjunctival and episcleral tissue from a point 6 mm behind the limbus to the orbital septum. The unilaterality was supported by provocative and tonographic tests, but the mechanism is said to be a matter of speculation. The author rightly assumed that the surgery may have affected the episcleral vessels in half the circumference of the globe.During the first third of our century, when the aqueous humor was believed to be stagnant, an explanation of this case might well have been difficult; Leber's theory of a continuous circulation of the aqueous humor was in disrepute until it was reconfirmed
Ascher KW. OBSTRUCTION OF AQUEOUS OUTFLOW CHANNELS. Arch Ophthalmol. 1964;71(3):450. doi:10.1001/archopht.1964.00970010466032