ORIGINAL: Rebel Hog

First shot, it is not a patch, it's a sticker the size of your pupil.

Try this: Close your right eye,pick a smallobject in the house (like a door knob), bring the ball of the left index finger as close to your left eye as possibleto cover the object, don't remove the finger yet, now open the right eye,with finger in place and both eyes opened you will have normal vision, but the Left Pupil is blocked and forces the righteye to be dominate and still have peripheral vision in the left.

I use a small price sticker the size of my pupil on the center of the lense.