Word: schlemm
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Dates: during 1930-1939
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Another performance which fascinated the convention was Dr. Otto Barkan's operation for chronic glaucoma. In this disease the tiny drain called "canal of Schlemm" becomes clogged. It cannot carry away excess fluid which accumulates within the ball of the eye. Internal pressure eventually atrophies the optic nerve, causes blindness. The usual operation for glaucoma punctures the eyeball daintily, lets accumulated fluid escape. However, in many cases the hole soon seals itself, necessitating further operation. Dr. Barkan found that blockade of the canal of Schlemm is often due to grains of pigment which slip in from the iris...