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Translations for „afterimages“ in the English » Arabic Dictionary (Go to Arabic » English)

afterimage <afterimage; afterimages> N

الصورة التي تبقى بعد توقف إثارة الشبكية

Monolingual examples (not verified by PONS Editors)

English

Both positive and negative afterimages are experienced by those with normal vision. en.wikipedia.org

They fade because the lilac discs that constantly refresh the green afterimages are now projected onto a different part of the retina. en.wikipedia.org

Visual snow is now regarded as a unique syndromeusually presenting with other symptoms, such as persistent afterimages, photophobia, enhanced blue field entoptic phenomenon and tinnitus. en.wikipedia.org

These green discs are the afterimages of the 12 lilac discs. en.wikipedia.org

Using a flashgun to illuminate a line of white disks, they were able to generate intense afterimages in dark-adapted observers. en.wikipedia.org

These are both examples of positive afterimages, or trails. en.wikipedia.org

However, increased negative afterimages are also experienced by palinopsia sufferers. en.wikipedia.org

Lasting negative afterimages can occur after prolonged exposure to an unchanging visual stimulus, due to the tiring of cone cells. en.wikipedia.org

Positive afterimages are particularly noticeable, such that even routine eye movement is often accompanied by flickers of what the eye has scanned over the hill (called tracers). en.wikipedia.org

Furthermore, the afterimages can accumulate if the time between stimuli is shorter than the time it takes for an afterimage to fade. en.wikipedia.org

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