Three-dimensional (3D): concept, measurement, perception, and applications 3D Overview of three-dimensional space and objects: definitions, measurement, geometric terms, human perception, and practical applications in computing, industry, medicine, art and v…
Aura: meanings in medicine, culture, and spirituality Aura Overview of 'aura' covering medical symptoms (migraine and seizure auras), spiritual and cultural uses, art theory, distinguishing features, and notes on scientific evidence.
Binocular vision: how two eyes create depth and a unified view Binocular vision Binocular vision is the visual process that integrates input from both eyes to produce depth perception, a single fused image, and a wide field of view. It underpins stereopsis, st…
Blind spot (physiological scotoma) in human vision Blind spot (vision) A blind spot is a natural gap in the visual field caused by the optic disc where photoreceptors are absent; the brain and the other eye normally compensate so we do not notice it.
