Larry Enright

Oct. 22, 2010

Ira Asks: How Do They Make Eyeglasses?

You deliver your prescription to an optician, and they return with a pair of eyeglass lenses tailored precisely to your personal vision quirks. But how?

eyeglasses, vision, sight, eye, lens, optometrist, optician

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Grab Bag of Gills

BOOKS BY OUR GUESTS

Mystery Box

Strange Fish

Dr. Seuss's McElligot's Pool (1947) features some fantastic fish—ones with pinwheel-like tails, curly noses, long floppy ears, or Kangaroo pouches. The fictional fish do have some truly strange nonfictional cousins, among which are giant oarfish, barreleye fish, and sawfish.

Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics