Red eye in photography
There are most likely times you encounter red eyes on your models in your results when you photograph. This, in the world of photography, is known as the “red eye effect.” This is a common phenomenon that occurs because the light from the flash reaches the blood vessels behind the retina of the eye and would then be bounced off and captured by the camera lens. Simply put, it’s related to how the light from the camera flash bounces off the eyes.
The amount of light that reaches the retina is controlled by the pupil. When light received is bright, the pupil will dilate smaller so no excessive light will come through. On the other hand, if the pupil receive dim lighting, the pupil will widen to allow as much light into the retina. Between the retina and the sclera (the whites of the eye) is a layer of tissues called choroid that’s red in color. Read the rest of this entry » .
