Prominent Optometrist States that Eyes Found to Be Source of Trouble
By Herbert S. Marshutz, A.B, D.O.
From American Cinematographer April 1926 pg.7
The effect of motion pictures upon eyes has been misunderstood for years.
The first impressions on the subject date back to a time when fewer people attended pictures, and to a period when motion picture projection was not at all like it is today.
At the present time several millions of people of all ages visit motion picture houses every day. Ninety per cent of them will suffer no inconvenience to their eyes. But there is nevertheless an undercurrent of belief firmly imbedded in the public mind in the United States and wherever pictures are shown, that movies hurt the eyes. Now why is this the case?
In preparing this material, we have analyzed the conditions under which the human eye functions in a motion picture theater. Every condition that is somewhat unusual, and any circumstance under which the eye must work differently than in any other visual effort, are a hundred times less objectionable than 15 or 20 years ago. During that early period, there were many flaws both in picture making and picture showing. Today they are either greatly lessened or omitted entirely.
“Dark-Adaptation” Necessary
Now what are the unusual conditions under which the eye must function in a picture house? There are quite a few. First of all, there is a great reduction in the amount of light. Even the brightest and whitest scenes are dim in contrast with daylight illumination. And the theater is still darker. Consequently, the eye is working in reduced light. [Read more…] about Do Motion Pictures Injure the eyes?
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