Photophobia is not a fear but a sensitivity to light. Light sensitivity can be caused by eye conditions, brain issues, and certain medications. Seeing bright spots, headaches, and squinting are common ...

Q: I recently saw my eye doctor because I suddenly became very sensitive to light. He said that it was caused by a condition called “Adie’s pupil.” My right pupil is much larger than my left and it ...

Our ability to see starts with the light-sensitive photoreceptor cells in our eyes. A specific region of the retina, termed fovea, is responsible for sharp vision. Here, the color-sensitive cone ...

Imagine if a simple beam of light could one day treat conditions like nearsightedness or age-related macular degeneration (AMD). Researchers at the University of Nevada, Reno School of Medicine (UNR ...

Light-sensing proteins are found throughout all domains of life. Even single-celled microbes carry proteins that respond to light. And animals have light-sensitive organs in a huge range of shapes and ...