Wednesday, December 23, 2009

When do images of an object fall on the same retinal locations in the two eyes?

When do images of an object fall on the same retinal locations in the two eyes?


This is a biopsychology question.When do images of an object fall on the same retinal locations in the two eyes?
at (near) infinite distance





an object held at eye level will register slightly to the left of centre in the left eye and right of centre in the right eye





as you move the object further away the image falling on the retina will get closer towards the centre the further away you go





at infinite distance, the lines of sight from both eyes will be parallel and the image will fall on the same location on each retinaWhen do images of an object fall on the same retinal locations in the two eyes?
Never: because one can not see the same object, at the same time, in the same location again: time is always progesssing. The eye is not so fixed like a machine but accounts for different experiences.

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