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In this activity, learners conduct a simple test to find their blind spot.

In this quick optics activity, learners use a dim point of light (a disassembled Mini MagLite and dowel set-up) to cast a shadow of the blood supply in their retina onto the retina itself.

Create an illusion where it appears that your hand has a hole in it. You'll see the results from when one eye gets conflicting information.

Which one of your eyes are dominant? Do they act independently or are they equally "in control?" This activity explores how your eyes work (or don't work) together.

This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?