Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

Photosensitivity or abnormal light sensitivity is very complex and is a major symptom of lupus. The American College of Rheumatology (ACR) loosely defines photosensitivity as "a skin rash as a result ...

Difficult, but not impossible. Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and ...