Vision: Crash Course Anatomy & Physiology #18
Why the open web links it
Explains how the human eye works and how vision can be tricked using optical illusions.
Linked by 11 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including libretexts.org, pressbooks.pub, lumenlearning.com, learningscientists.org, openeducationalberta.ca.