Making Eyeglasses That Let Wearers Change Focus on the Fly

[lsanderson]

SEEING NEAR AND FAR Stephen Kurtin with a glass element that is part of the mechanically adjustable eyeglasses he created.
By JOHN MARKOFF
Published: August 3, 2009

LOS ANGELES — As a promising Caltech graduate student in applied physics, Stephen Kurtin could have taken a job offer from Intel at the dawn of the microelectronics era 40 years ago. More