Focusing the Brain on Better Vision
By JAN HOFFMAN
Contrast sensitivity, the ability to distinguish gradations of light to dark, may be improved with visual exercises.
Published: April 5, 2015 at 08:00PM
from NYT Health http://ift.tt/1yPSnvc
Focusing the Brain on Better Vision JAN HOFFMAN Contrast sensitivity, the ability to distinguish gradations of light to dark, may be improved with visual exercises. http://ift.tt/1yPSnvc Health The New York Times April 5, 2015 at 08:00PM