You may not consciously recognize it, but you experience double vision all the time. See the slideshow below to see how you experience double vision all the time.
Utilizing The "Good" Double Vision
By placing a high-powered prism into peripheral vision of the seeing area, we can create an awareness of the blind area. Check out the slides below to see how we can expand the visual field through this strategy.
Peripheral Prisms Built Into Glasses
Example of Full Field
Example of Hemianopia Field
Example of Field Expansion with Peripheral Prisms. Notice the hand above the head.