Surgical Eyes - source of info about complications and their treatment from Lasik and other vision correction surgeries.
posted by Gyan on Jan 31, 2005 - 35 comments

Dr Hugo's Museum of the Mind - Synaesthesia
posted by Gyan on Jan 20, 2005 - 22 comments

Polarization.com - polarized light in nature & technology. [via MoFi]
posted by Gyan on Dec 8, 2004 - 3 comments

The maps of perception.
2nd link: java applet.
posted by Gyan on Apr 25, 2004 - 6 comments