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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Neuroimage. 2008 Oct 25;44(3):636–646. doi: 10.1016/j.neuroimage.2008.10.007

Fig. 2. Spot imaging method for determining corresponding eye stimulation positions (ocular alignment).

Fig. 2

Eyes are diverged to different halves of a computer monitor using firmly secured Risley prisms in front of each eye. Depicted is a spot viewed through the right eye (dark gray box) and different spot positions (differing in either horizontal or vertical position) viewed through the left eye (red boxes). Optical images are then obtained in response to stimulation of left/right spot pairs representing different ocular offsets.