Word: optically
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...Viehoever of the Philadelphia College of Pharmacy & Science. "This little animal has a divine simplicity that is miraculous," Professor Viehoever never tires of telling. "It is seemingly a primitive form of life until studied. Its fundamental biological responses are very similar to ours. It has nervous, digestive, circulatory, respiratory, optic and reproductive systems, and the beauty of it is that the animal is perfectly transparent so you can see everything that is happening, from the digestion of its food and the beating of its heart to the working...
...Huntington's chorea, hereditary optic atrophy, familial cases of Friedreich's ataxia, and certain other disabling degenerative diseases recognized to be hereditary...
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...
...Riley Spitler of Eton, Ohio declared his belief that light of certain colors, relaxing or stimulating the optic nerves, may affect the entire nervous system. He recommended red for increasing blood pressure and curing dizziness, yellowish green or bluish green for stomach disorders, blue or violet for headaches...
...Lawyer Tom Schall was blinded by a shock from an electric cigar lighter which paralyzed his optic nerve. Not until 1914, however, did he enter politics, a career in which blindness was to prove an asset rather than a liability. For ten years he sat in the House. Minnesota elected him to the Senate...