Bob Berman's strange universe: Eye see, you see
September 2004: Ever show someone a faint galaxy only to hear them say they couldn't see it?
Contributed by Bob Berman
Published:
September 1, 2004
Ever show someone a faint galaxy only to hear them say they couldn't see it? If you're diplomatic, you probably limited your ridicule to a gentle, "Who's your eye doctor, the Marquis de Sade?"
There are lots of seriously vision-impaired people among us, and now we can save them from future eye exams. The late summer
sky offers a series of great vision tests. You can probe sharpness, faint-vision sensitivity, and even color blindness. |
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