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Discomfort glare is a psychological sensation caused by high brightness (or brightness contrast) within the field of view, which does not necessarily impair vision. [2] In buildings, discomfort glare can originate from small artificial lights (e.g. ceiling fixtures) that have brightnesses that are significantly greater than their surrounding.
Founded in 1902 under the direction of Josephine Rowan as the Reading Room for the Blind in the San Francisco Public Library's basement, the LightHouse for the Blind and Visually Impaired has grown out of a series of nonprofit mergers throughout its century-long existence into an organization that provides a wide range of services for the visually challenged in the Bay Area.
A set of yellow truncated domes on the down-ramp in a parking lot. Tactile paving (also called tenji blocks, truncated domes, detectable warnings, tactile tiles, tactile ground surface indicators, tactile walking surface indicators, or detectable warning surfaces) is a system of textured ground surface indicators found at roadsides (such as at curb cuts), by and on stairs, and on railway ...
Flash blindness is an either temporary or permanent visual impairment during and following exposure of a varying length of time to a light flash of extremely high intensity, such as a nuclear explosion, flash photograph, lightning strike, or extremely bright light, i.e. a searchlight, laser pointer, landing lights or ultraviolet light. [1]
Lighthouse Guild is an American charitable organization, based in New York City, devoted to vision rehabilitation and advocacy for the blind. Its mission statement is "To overcome vision impairment for people of all ages through worldwide leadership in rehabilitation services, education, research, prevention and advocacy."
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]