A bizarre, cyclops-like creature from nearly 600 million years ago may hold the key to how your eyes—and even your sleep ...

A new study, led by the University of Vienna and the Alfred Wegener Institute in Bremerhaven, shows how the eyes of adult marine bristleworms continue to grow throughout life—driven by a ring of ...

Does light ever look “too bright” to you? If so, you may be experiencing photophobia. Photophobia, or light sensitivity, is one of the most difficult migraine symptoms to cope with. As an editor at ...

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 ...

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 ...

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 ...