Glare


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glare

[gler]
(communications)
The interference that arises when an attempt is made to place a telephone call just as an incoming call is arriving; in the case of data transmission under the control of a computer, this can render the line or even the computer temporarily inoperative.
(optics)
Discomfort produced in an observer by one or more visible sources of light. Also known as discomfort glare.
Visual disability caused by visible sources or areas of luminance which are in an observer's field of view but do not assist in viewing. Also known as disability glare.
Dazzling brightness of the atmosphere, caused by excessive reflection and scattering of light by particles in the line of sight.

Glare

A state that reduces the ability to perceive the visual information needed for a particular activity. It arises when some parts of the visual field are much brighter than their surroundings.

blinding glare

So intense that for an appreciable length of time after it has been removed, no visual perception is possible.

discomfort glare

Glare that is distracting or uncomfortable, interfering with the perception of visual information required to satisfy biological needs, it does not significantly reduce the ability to see information needed for activities.

direct glare

Results from high luminances directly visible from a viewer’s position.

disability glare

Reduces the ability to perceive the visual information needed for a particular activity.

reflected glare

The reflection of incident light that partially or totally obscures the surface details by reducing the contrast on a surface.

glare

The sensation produced by brightnesses within the visual field that are sufficiently greater than the luminance to which the eyes are adapted to cause annoyance, discomfort, or loss in visual performance and visibility.
References in periodicals archive ?
The four older adults in the study were especially affected by headlight glare: It added 1.5 seconds to their reaction time, compared to 0.3 seconds among young adults.
"In reality, the issue of glare is a complex one and it's not as straightforward as saying one type of lightbulb causes more of a dazzling effect than another.
Glare not only makes computer screens difficult to read, it encourages occupants to close their blinds completely in the name of visual comfort, eliminating the benefits of daylight, Jayson explains.
* Disability glare threshold (the point at which subjects could no longer see a target through a glaring ring of light) (13)
"The GLARE RECOIL system does just that by offering a weapons-mounted or hand-held, dazzling laser that can be employed during Escalation of Force (EoF) situations.
Position of the glare source in the field of view (position index)
With too much ambient light your computer screen will look "washed out" because of veiling glare. This makes reading more difficult, and increases your chance of making reading/typing errors.
The study looked at three aspects of visual performance: glare disability, photostress recovery time and contrast enhancement.
"With the enactment of my bill into law, all state-owned facilities will be required to purchase more energy efficient lighting that reduces excessive glare and makes the night sky more visible to all those who would gaze upon it," said Assemblymember Linda B.