Photometer

The process by which an image is acquired by recording light emissions on radiation-sensitive paper.

An image recorded by a camera.

A drug used to treat some types of cancer. When absorbed by cancer cells and exposed to light, Photofrin becomes active and…

Treatment with drugs that become active when exposed to light. These activated drugs may kill cancer cells.

A device designed to detect light.

Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to skin…