New England College of Optometry - Scope Yearbook (Boston, MA)

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A Light That Failed Ultraviolet-Sensitive Eyes Foiled Navy Wartime Plan A recent release from the American Optical Company tells of an ingenious though unsuc- cessful scheme, in which they had a share, worked out during the late war for enabling our aircraft to land on carriers with visibility in darkness. The scheme, which appeared theoretically perfect, was to mount on the aircraft an ultra- violet transmitting searchlight, and to outline the carrier with devices consisting of a fluores- cent button in a spherical reflector, with a special correcting lens capable of transmitting both visible and invisible light? The invisible ultra-violet light from the airplane would pass through the lens and be focused on the button, which would thereon emit a brilliant Huores- cent visible light. The complex curves of the lens would then collect the rays diffused by the mirror, and return them to the landing plane as visible light in so narrow a beam that it would be only a few feet wide after traveling a mile. Thus an enemy pilot, even if he were flying wing-to-wing with an American about to land, would not detect the presence of the carrier, but to our pilot it would be clearly outlined. Tests disclosed, however, that although the limit of visible light was believed to be about 400 millimicrons, some human eyes are able to detect, in full darkness, light of the wave- length fabout 300 millimicronsj emitted by the searchlight. This meant in effect that al- though a carrier using this device would not be exposing itself to an enemy pilot, a plane using the ultra-violet searchlight would be ex- posing itself to attack by any hostile plane whose pilot happened to have such eyes. Con- sequently, the scheme had to be abandoned. ' The glass for the lens was developed in the A. O. research laboratoriesg the reflector at the U. of Rochester. See More, More Clearly For superior standards of bifocal performance and comfort we suggest the Ultex K. K's onepiece construction contributes single vision lightness to a lens giving sharp, clear vision from edge to edge of both reading and distance portions. The straight top segment design virtually eliminates jump of image. , Ultex K is available in clear and four tints. WILSON 8a HALFORD OPTICAL COMPANY 387 WASHINGTON STREET BOSTON 8, MASS. Page Tfairteezz

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Mfr cf-W'J ,Zi Your professional standing . . . your future . T P. are reflected in your ofiice. Professional offices of the future must satisfy definite and exacting standards. They should be simple, modern, functional. . . with every instrument in proper place for efficient service. They should reflect good taste and characterize Professional Services. New standards call for planning . . . creative planning that requires specialized skills and expert advice. In 1924 American Optical Company recognized this need and established the AO Ofiice Planning Service. The AO Office Planning Service, with its wealth of infor- mation and practical experience, is at your service . . . without charge or obligation. Yom' own particular requirements will be analyzed, plans drawn and color schemes suggested. AO Ofiice Planning Service considers all details, suggests additional equipment, if necessary, for complete modernization. Your AO representative will be glad to furnish additional information on Ofiice Planning Service at your request.

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A. O. A. CONVENTION tC0f1fiz11n-if from page 61 evening the members went to the Steel Pier, where Ted XVeems and his famous orchestra supplied the music for dancing. Among the other social events were the Congress banquet, floor show and entertainment, luncheons, and informal parties. The 1948 convention will be held in San Francisco to start the A. O. A. rolling on its second half-century of progress. Jubilee Jots ff-lpofngief to Mae Topuzj Univis was the favorite host at the Chelsea all during the convention. Their very congenial representatives, Roy Marks, Frank Haney, Ed Margeson, and Bill Nugent, kept everybody happy. Dr. Mandy Manderville of Fort Worth, Fla., had the boys entranced until the wee hours with his stories about the pioneer days of Optometry. . . Dr. Richardson seemed to be everywhere at once. . . Hal Goren gets our nomination for being the soundest sleeper. . . . What Al Golub thought was a tomato at the Victory Optical Co. party turned out to be a red hot pepper. Whoomll . . . We thought that Dr. Namias would have to have a late-slip at his own lecture. He was out looking for a blackboard, which the educa- tional committee had failed to provide. Frank Kozol almost had some of the old- timers believing some of his original theories. . . . Then he took another stroll along the boardwalk. . . Goren was turning over on the other side. Chuck Bowman was seen cutting a pretty rug to Ted Weems music. . . Bill Nugent must have a liking for Sunrise Serenade . . . Goren starts to open one eye. FAMILIAR FACES: Charlie Laughner of A. O.'s Boston Office was there. . . Mr. Frut- kin of Suffolk Optical made the trip with Gerry's Mom. With such a varied and extensive program not a complaint was registered - except - you guessed it-Goren didn't get enough sleep. Page lfnzzrleen PHOTOPHOBIA fC0lZIflI!l6'lf from page 111 In many of the common cases of photo- phobia, we prescribe tinted lenses of various kinds. These should always be used with care, since many of them filter out the beneficial rays and have a tendency to become habit- forming. We find certain patients wearing colored lenses when they arrive at the otlice, and after going over their eyes carefully we find no indication for their use. Still, if they have been worn for a considerable time we hesitate to remove them because there is likely to be discomfort without the tint. These cases should be handled by gradually cutting down the tint until it is eliminated entirely. Never allow a patient to prescribe a tinted lens for himself. If it is to be worn we should do the prescribing, and know just why and what kind to use. One last suggestion is that no colored lens should be worn unless the surfaces are accu- rate. Unless for a very short time only, such as while looking at an eclipse, we should never permit our patients to wear a ten-cent plastic glass. GAINSBORO CLEANSERS 3 Hour Service Du PONT ODORLESS CLEANING FINE TAILORING - FUR STORAGE Main Store and Plant 45 GAINSBORO ST., BOSTON, MASS. Telephone: KENmore 6788 Branches 422 Parker Street, Roxbury 172 Brighton Avenue, Allston 85 St. James Ave., Boston 142 Peterboro Street, Boston