Glaucoma is caused by:
a. Blocked outflow from the anterior chamber into the trabecular meshwork
b. Blocked outflow from the canal of Schlemm into the scleral veins
c. Blocked outflow from the posterior chamber into the anterior chamber
d. Blocked outflow from the trabecular meshwork into the canal of Schlemm
e. Secretion of too much aqueous humor
ANS: D
Accumulation of material that blocks flow from the trabecular meshwork into the canal of Schlemm is thought to account for some types of glaucoma.
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