Can you spot the hidden owl in this mind-boggling optical illusion in 5 seconds? Only those with high IQ and sharp eyes can ...
from motion and depth perception to geometric patterns and colours. Optical illusions cast doubt on our understanding of reality and reveal the complexity of how the human eye works. For today's ...
1 or more concussions (n=66). Outcome measures The Nike SPARQ Sensory Station measures visual acuity, contrast sensitivity, depth perception, near-far quickness, target capture, perception span, ...