Teacher shows how reading and bifocal glasses affects light

Published date: Thu, 17 Oct 2024 12:58:35 +0700

A teacher demonstrated the effects of bifocal lenses on light.

Video shows the lecturer passing laser light beams through eyeglasses at a school in Fushun City in Liaoning, China, on September 2.

	Fushun, Liaoning, China
	02/09/2024
	Partner Agency
	VRP156919
	Duration: 00:28
	Rating: Brand safe
	laser glasses light bifocal lenses teacher

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