Have your lab partner hold a branch up around two feet in front of your eyes wit

Question

Have your lab partner hold a branch up around two feet in front of your eyes with one eye open. Try and point to one part of the branch or twig that your partner points to. Then try it again with both eyes open. . t gain with both eyes pen., ine branch or tgt your partner poins 37. Which situation was easier to pinpoint the twig with your finger on the branch? open c Lasier to Stereoscopic photographs involve two pictures that are taken at slightly different angles about the same distance apart as our two eyes. Stereoscopic glasses separate the two photos so that the right eye sees the right photo and the left eye the left photo. View the stereoscopic photographs with your eyes and notice the two-dimensional qualities. Then view the photographs with the stereoscopic glasses until they form a three-dimensional image. 38. How does the visual process develop these two-dimensional photos into three- dimensional images?

Explanation / Answer

The stereoscopic glasses has two different lenses for left and right eye. When the stereoscopic image is diplayed, the stereoscopic lens covering each eye block a different layer resulting in two different images for each eye. When theses images are carried through optic nerve to visual cortex, these images are merged and brain perceives it as a 3-D image.

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