Ahh, the gross red-eye…we’ve all seen it. You snap a photo of friends at night and they have red eyes. How does this happen? A quick biology lesson Red eyes are worst in dark rooms. The pupils of your eyes get bigger and smaller depending on the amount of light. Lots of light makes them smaller. Low light makes pupils bigger. When you use the flash on your camera, the light reflects off the blood vessels inside the eye. That’s where the red comes from. Quick tips • Use the cam Read More