<prompt> True stereopsis is perceived due to the following -Overlay of contoursMotion parallaxBi- nasal disparityLinear perspective  <response>: Stereopsis is a term that is most often used to refer to the perception of depth and 3-dimensional structure obtained on the basis of visual information deriving from two eyes by individuals with normally developed binocular vision. It is used for binasal disparity Ref khurana 6e p456 