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Show Makes It Simple to Adjust Light Motor That Does Away With All Possibility of Straining Eyes. When you raise your eyes from a brilliantly lighted page, or piece of sewing, to look across a room in semi-darkness, you make your eyes shift gears too suddenly and wear them out. With a warning to chei' up on the distribution and balance of light in your room, The Parents' Magazine Mag-azine heralds science's iatest inven tion, an amazing little meter that gauges light as a thermometer records re-cords the temperature In the home. This meter, which anyone can read, takes all the guesswork out of lighting light-ing arrangements and indicates exactly ex-actly how to place light correctly and adjust It to the task In hand. Marvelous as the eye Is, It has not been able to meet the demands placed upon It. In spite of the fact that most persons are born with normal vision, science offers statistical proof that 20 per cent of school grade children chil-dren are more or less retarded In advancement ad-vancement by damaged eyesight; that 40 per cent of college students do not see as well as they should; that 60 per cent of men and women In their forties have trouble with their eyes; that at sixty years of age 05 per cent of the population have acute eye strain. The article goes on to reveal that eye strain was almost unknown when man went to bed when the sun went down, and used his eyes mainly for outdoor tasks. Science places the blame for today's widespread faulty sl"ht upon civilization, which causes our day to last long into the night and necessitates close seeing at low levels of lighting. There is one thing, and one only, to do about it regu late lighting to individual need and the manner of living- |