Question

How does the visual system interpret images to determine size and distance?

a.

By analyzing the upside-down image formed on the retina

b.

By calculating the visual angle between two lines on the retina

c.

By comparing the appearance of similar objects of different sizes

d.

By judging the distance between objects and the eye

Posted under Human Computer Interaction

Answer: (b).By calculating the visual angle between two lines on the retina Explanation:The visual system determines size and distance by calculating the visual angle, which is the angle between two lines drawn from the top and bottom of the object to a central point on the front of the eye.

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