in Waynesboro, Pa. The camp’s owners and counselors—not to mention, our parents—wanted nothing to do with the prospect of 150 literally wide-eyed boys staring directly at the sun as the moon partly obscured it. So they kept us inside our geodesic-dome-shaped bunks and draped blankets over the windows until the danger had passed.
The reason is that while your surroundings may get darker during the slow disappearance of the sun, looking directly at light caused by a solar crescent is no safer than looking at the sun at any other time—and the squinting and blinking you’ll do if you try are your eyes’ reflexive way of protecting you from the damage you’re doing to them. As the Cleveland Clinic, the lens of your eye operates like any other lens, concentrating incoming light to a hot and fine beam.
The popular idea, or at least the popular fear, is that eclipse-related retinal damage will lead to blindness—and the fact is, if you look long enough and the retina is burned severely enough, the eye could indeed grow entirely dark. However, in most cases, the harm that’s done will lead to blurred vision, floaters, blind spots, or so-called low vision—similar to trying to see in a darkened room. Bajic warns that blind spots or decreased vision “unfortunately can be permanent in some cases.
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