TIL that during depression you see less contrast, making the world really appear greyer

http://discoveryeye.org/blog/rods-and-cones-they-give-us-color-and-night-vision/



Submitted January 27, 2015 at 03:58AM by FatBearCat http://www.reddit.com/r/todayilearned/comments/2trs4u/til_that_during_depression_you_see_less_contrast/