• correlate to the visual angle: the perceived visual angle or perceived angular size. An optical illusion where the physical and subjective angles differ is then...
    32 KB (4,268 words) - 12:33, 26 December 2024
  • Thumbnail for Visual angle
    called the object's perceived or apparent angular size. The perceived visual angle is best defined as the difference between the perceived directions of the...
    9 KB (1,217 words) - 08:35, 2 July 2025
  • sometimes emotion. The different camera angles will have different effects on the viewer and how they perceive the scene that is shot. There are a few...
    6 KB (861 words) - 12:20, 11 July 2025
  • Thumbnail for Visual acuity
    optotype on the retina is the same. That size is specified as a visual angle, which is the angle, at the eye, under which the optotype appears. For 6/6 = 1...
    62 KB (7,723 words) - 20:58, 6 April 2025
  • Thumbnail for Angular diameter
    Angular diameter (category Angle)
    units of angle) describing how large a sphere or circle appears from a given point of view. In the vision sciences, it is called the visual angle, and in...
    28 KB (1,953 words) - 23:15, 6 July 2025
  • Thumbnail for List of optical illusions
    This is a list of visual illusions. Adaptation (eye) Alice in Wonderland syndrome Auditory illusion Camouflage Contingent perceptual aftereffect Contour...
    22 KB (235 words) - 07:54, 14 June 2025
  • Thumbnail for Vista paradox
    Vista paradox (category Visual perception)
    perspective Perceived visual angle Perspective distortion (photography) James T. Walker, Reta C. Rupich, Jack L. Powell, "The Vista paradox: A natural visual illusion"...
    2 KB (129 words) - 07:30, 21 November 2024
  • Thumbnail for Moon illusion
    distant object subtends approximately half the visual angle of the nearer object, but it is normally perceived to be the same size (a phenomenon referred...
    19 KB (2,183 words) - 07:08, 15 July 2025
  • Thumbnail for Angle of view (photography)
    For comparison, the human visual system perceives an angle of view of about 140° by 80°. As noted above, a camera's angle level of view depends not only...
    29 KB (3,341 words) - 10:04, 9 July 2025
  • Thumbnail for Optimum HDTV viewing distance
    and the typically large screen sizes. A larger display increases the visual angle at which content is viewed, both of which contribute to an increased...
    43 KB (4,251 words) - 09:13, 25 May 2025
  • Thumbnail for Depth perception
    the ability to perceive distance to objects in the world using the visual system and visual perception. It is a major factor in perceiving the world in...
    39 KB (5,085 words) - 17:41, 4 February 2025
  • Thumbnail for Optical illusion
    In visual perception, an optical illusion (also called a visual illusion) is an illusion caused by the visual system and characterized by a visual percept...
    55 KB (5,814 words) - 21:08, 15 July 2025
  • Thumbnail for Visual system
    The visual system is the physiological basis of visual perception (the ability to detect and process light). The system detects, transduces and interprets...
    59 KB (6,928 words) - 21:06, 22 May 2025
  • Thumbnail for Eye
    Eye (category Visual system)
    An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons...
    59 KB (7,524 words) - 17:17, 16 July 2025
  • provide a symbolic and synthetic feeling, whereas acute angled shapes with sharp points are perceived as dangerous shapes. Rectilinear shapes are viewed as...
    8 KB (883 words) - 13:10, 5 June 2025
  • Thumbnail for Visual cortex
    The visual cortex is the area of the brain that performs higher-order sensory processing of visual information and presents it into conscious awareness...
    64 KB (7,976 words) - 17:05, 16 July 2025
  • Thumbnail for Composition (visual arts)
    in the picture. The viewpoint of visual art is fundamental because every different perspective views different angled lines. This change of perspective...
    23 KB (2,940 words) - 16:48, 19 April 2025
  • Thumbnail for Order of Nine Angles
    The Order of Nine Angles (ONA or O9A) is a Satanic left-hand path and terrorist network that originated in the United Kingdom, but has since branched out...
    78 KB (10,108 words) - 06:29, 17 July 2025
  • Thumbnail for Color
    Color (or colour in Commonwealth English; see spelling differences) is the visual perception produced by the activation of the different types of cone cells...
    59 KB (7,053 words) - 01:25, 13 July 2025
  • Thumbnail for Perception
    Perception (redirect from Perceived)
    something or someone who is being perceived. The amount of information gathered by the sensory organs of the perceiver affects the interpretation and understanding...
    93 KB (10,676 words) - 08:06, 14 July 2025
  • Thumbnail for Minute and second of arc
    angles and time—derive from Babylonian astronomy and time-keeping. Influenced by the Sumerians, the ancient Babylonians divided the Sun's perceived motion...
    29 KB (3,483 words) - 22:31, 11 July 2025
  • Thumbnail for Visual impairment
    in the fields of vision such that the widest diameter of the visual field subtends an angle no greater than 20 degrees shall be considered for purposes...
    92 KB (10,594 words) - 04:39, 19 July 2025
  • Macropsia (category Visual disturbances and blindness)
    larger perceived image of an object. The most obvious symptom of macropsia is the presence of exceptionally enlarged objects throughout the visual field...
    23 KB (3,218 words) - 23:44, 12 April 2025
  • Cosmic ray visual phenomena, or light flashes (LF), also known as Astronaut's Eye, are spontaneous flashes of light visually perceived by some astronauts...
    23 KB (2,818 words) - 18:52, 28 May 2025
  • Thumbnail for Chromostereopsis
    when the red bars are perceived in front of the blue and negative chromostereopsis is exhibited when the red bars are perceived behind the blue. Several...
    30 KB (3,730 words) - 12:21, 25 May 2025
  • Directional vision (category Visual perception)
    also a directional sensation. This direction is called visual direction and is expressed in the angle with the principal direction.[citation needed] If two...
    14 KB (1,832 words) - 03:32, 19 July 2025
  • Thumbnail for Gloss (optics)
    – the perceived shininess at low grazing angles Defined as the gloss at grazing angles of incidence and viewing Contrast gloss – the perceived brightness...
    12 KB (1,838 words) - 16:56, 17 April 2025
  • Thumbnail for Müller-Lyer illusion
    position of the centroid of an image determines its perceived location. Morgan et al., suggest that the visual procedure of centroid extraction is causally related...
    16 KB (1,905 words) - 13:10, 4 July 2025
  • Thumbnail for Euclid's Optics
    are not seen upon which visual rays do not fall; That things seen under a larger angle appear larger, those under a smaller angle appear smaller, and those...
    7 KB (933 words) - 16:08, 24 June 2025
  • Thumbnail for Parallax
    Parallax (category Angle)
    view objects from slightly different angles. Many animals, along with humans, have two eyes with overlapping visual fields that use parallax to gain depth...
    24 KB (3,003 words) - 21:08, 22 June 2025