; (2) from direct com- pression of the retina; (3) from stretching and atrophy of the nerve-fibres on the disk. The floor of the disk (lamina cribrosa), being the weakest part of the eye-capsule, is slowly pressed backward, the nerve-fibres being dragged upon, displaced, and finally atrophied ; the… … Section of very deep glaucoma cup. {Compare Fig. 36.) well-known " glaucomatous cup." This cup, when deep, has an overhanging edge, because the border of the disk is smaller at the level of the choroid than at the level of the lamina cribrosa; its sides are quite steep even when the cup is shallow…
Eye · Color blindness
Internet Archive · Yale University, Cushing/Whitney Medical Library · Public domain (published before 1931). Free to use for anything.
