Most Unbelievable Facts About The Human Eye

Theory Behind The Red–Eyed Photos

#36 Theory Behind The Red–Eyed Photos

Ever wondered why your eyes appear red in some of your photos? Using flash is normal when clicking photos in a dark environment. The flash hits the eyes and reflects from the retina to give a red-eye effect to your photographs.

However, the red eyes aren’t restricted to the flash problem and may occur due to several other reasons, like some sort of serious eye illness, a cataract or even a retinal detachment. Thankfully, the most common reason for the spooky eyes is much more benign.

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