Meanwhile, the navigation and Lexus Display Audio screen, as well as the standard LCD audio / HVAC display, have been placed at a more natural visual angle. (topspeed.com)
The standard definition of normal visual acuity (20/20 or 6/6 vision) is the ability to resolve a spatial pattern separated by a visual angle of one minute of arc. (sciencedaily.com)
They looked at different topographic features and found that visual field areas have a higher probability of becoming vision restoration «hot spots» if they had higher local residual vision at baseline, more residual activity in a spatially limited surrounding area (of 5 degrees of visual angle), and if they were located closer to the blind field (scotoma). (sciencedaily.com)