optical illusion


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optical illusion

A visual impression that is inaccurately perceived.
See also: illusion
References in periodicals archive ?
You get the same optical illusion when you hold a marble up to the moon.
This means that optical illusion has been used in ceramic art in accordance with the personal preferences of the artists.
Designer Paul Murphy's optical illusions are capturing the imagination of businesses across the world.
In the second chapter, Arnaudo argues that the philosopher Giordano Bruno (1548-1600) was inspired by and used effectively optical illusions in order to present a philosophy in which changing images derived from Giuseppe Arcimboldo (1530-93), the court painter to the Habsburg emperors who carried to the extreme the late Renaissance penchant for the bizarre and fantastic, described an infinite universe in perennial change and provided the readers with a tool with which they could discover the truth.
Explain that your eyes and your brain work together to help you see and that your eyes trick your brain when you see an optical illusion.
The first, Astounding Optical Illusions, is a collection of optical illusions and impossible objects--some of which are well-known and others that the reviewer had never seen.
In this kind of optical illusion our eyes see things and "remember" them even after the real image has disappeared.
Giulio Lagalla, among others, clung to the fact that the moon's features were simply illusion, "the mountains and craters that Galileo had observed on the lunar body, were like objects depicted on canvas, an optical illusion of the sort practised by painters"(160).
Thousands of telescopes were trained on the horizon shortly after duskto catch a glimpse of Jupiter and Venus apparently merging together ina spectacular optical illusion as one passed in front of the other.
The generous space you see in this garden is an optical illusion.
No mere electronic optical illusion that can diminish image quality in the cause of modest image stability, Canon's "lens shift" optical system actually allows the lens to physically compensate for camera movement, even when that movement is caused by extended telephoto or low-light shooting conditions.
2 more letters on a logMAR eye chart than before looking at the optical illusion.