Red eyes are certainly one of the least appealing appearances in pictures, as most photographers would attest to. Because the flash happens in, well, a flash, the eyes don’t have sufficient time to reduce the light entering the eye, so the light is reflected back at the camera, and the reflection manifests itself as red dots in the eye. This unappealing quality, of course, is not a sign of demonic possession, but merely a result of a phenomenon known as the “red-eye effect” which occurs when taking a picture in a dark or dimly lit space with the use of flash.Īs the light travels through the pupil and the cornea, it comes to focus on the retina. In fact, red eyes can make a picture of a group of friends seem like a cult of demons. Nothing impedes a good picture more than a bunch of red eyes among a sea of smiling faces.
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