驗證網址vision.about.com安全性

Depth Perception - Definition - Vision and Eye Care (Contacts, Glasses, Problems, Exams)

Learn the definition of depth perception. ... Definition: The eye's ability to perceive the world in three dimensions and to judge distance. Depth perception is achieved when the brain processes different pictures from each eye and combines them to form a...

網址安全性掃描由 google 提供