Everyone's had a photo that makes their eyes appear bright red. What is the cause of red eye, and what are some of the ways ...

A neat visualization of wireless signals was released last week showing off what our world might look like if we could ... they would just be flashes of light. Radio waves are just electromagnetic ...

Intense pulsed light (IPL) therapy uses gentle pulses of light to treat the underlying causes of dry eye. It’s a painless procedure done in an ophthalmologist or optometrist’s office.

Herpes sores can affect many areas of the body, including the mouth, genitals, and eyes. Herpes sores look like blisters filled ... though they do not tend to be as severe as the first time.

These mesmerizing, rare flashes of red light appeared during ... seen it twice with the naked eye.” His photos, later shared on social media, gave a clear look at what many only read about ...