What is stereopsis?
Stereopsis refers to the ability to perceive depth, also known as depth perception, through stereoscopic vision (Wilcox & Harris, 2010). This function of the visual system allows individuals to judge the distance and spatial arrangement of objects. When we use both eyes together, each eye sees the object from a slightly different angle. These differences are processed by the brain, which combines the two images into a single perception of depth. This ability is essential for tasks that require precise distance judgment, such as driving, sports, and even daily activities.
The binocular function of the eyes, known as binocular depth perception, is crucial for accurate depth perception. Stereopsis depends on simultaneous perception, where both eyes contribute to forming a unified image. Stereoscopic tests are commonly used in a clinical setting to assess this visual function and diagnose any deficits in binocular vision that might affect an individual's ability to judge depth.










