We often associate the term glare with bright light entering our eyes, which can be very uncomfortable. You may have experienced it from the headlights of a passing car, or a bright light that suddenly came into your field of vision.
However, glare occurs in many situations. For professionals like designers or video editors who rely on computer monitors to create their work, glare can be enemy number one. If their screens are often distorted by glare, the colors on their monitors may not display accurately.
So, as the saying goes, keep your friends close and your enemies close. Knowing the types and causes of glare will help you better reduce them.
“Temporary blindness caused by bright light”, “my vision is blurred”, “vision blocked by light” – all three conditions can be caused by glare. But not all highlights are the same. Glare can be divided into three types: disabled glare, discomfort glare, and reflection glare.
Disabling glare is a loss of vision caused by a bright light in the field of vision at night. A classic example is sudden blindness from oncoming headlights while driving at night.
Unlike blinding glare, which causes sudden blindness, unpleasant bright light does not necessarily impair vision. However, this can cause discomfort or eye strain. For example, you may experience annoying glare when bright lights suddenly turn on on a football or baseball field. The degree of pain varies depending on where you are and the brightness of the light, and can cause emotional discomfort even if the light does not hit your eyes directly.
Finally, reflective highlights obscure monitors or certain objects by reflecting light off the ceiling. This includes reflections from fluorescent lights on office monitors or situations where you can barely see the screen in the sun. You will most likely be attracted to glare within a 45-degree field of view, known as the “glare zone”.
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Post time: Feb-22-2023