Word: optical
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Dates: during 1880-1889
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...paralyzing agent upon one just beginning to use it, so that instead of its being an aid to digestion, it really retards it. With the heart it causes that palpitation and tremulousness that is so frequently observed, and is often the cause of vertigo. Its effect upon the optic nerve is to cause dimness of sight, and eventually to weaken the eye and bring on near-sightedness. The hearing is also affected by its use, a tendency being developed to hear imaginary sounds. Dr. Sargent said that in college the man who roomed above him was a great user...
With her Coptic-optic volume in her hand, hand, hand...