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

Scientists have developed new light-sensitive chemicals that can radically improve the treatment of aggressive cancers with minimal side effects. In mouse tests, the new therapy completely ...

At-home red light therapy devices are sparking interest in this trendy skin treatment — but does it deliver on its promises? Here's what experts think.

While consistent use is key, more isn’t exactly better. “Overusing an LED face mask can lead to skin irritation, dryness, or ...

Doctors can use lasers: instead of blades (scalpels) for surgery to heat and destroy small areas of cancer or precancerous cells together with a light sensitive drug (photodynamic therapy) There are ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

According to Varvuolytė, the most common side effects of photodynamic therapy include a burning sensation in the treated skin area and increased sensitivity to light. However, challenges remain.