6J10.30 - Blind Spot

Blind spot

 

PIRA Classification: 6J10.30

Description: A small circle of paper is taped to the black board. The class is asked to cover one eye (the same eye) and stare at the circle. The instructor then moves a small paper cross along the board toward the circle. At some point, the cross will disappear from view.

Special Instructions: None

Condition: ok

Setup time: 2 minutes

Safety Issues: None