How Did Nearsighted People Manage Before Glasses Were Invented?
How Did Nearsighted People Manage Before Glasses Were Inve…
Apr 14, 2019
livescience.com
The world's first "glasses" were invented 4,000 years ago - not to correct vision, but to prevent snow blindness. Arctic peoples like the Inuit crafted them from bone, ivory, or wood, carving thin slits to block harsh sunlight reflecting off snow and ice. This simple yet brilliant design helped them hunt and travel safely in blinding conditions proof that human ingenuity has always been cool under pressure. | FactifyDiary
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