Four in ten people live with astigmatism, which can cause blurred vision and eye strain. Here’s what you need to know.

Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or ...

Motion-tracking Brillouin microscopy can be used to identify biomarkers of subclinical keratoconus in the anterior stroma.

Lac insects carry a yeast-like symbiont that produces a commercially important bright red pigment, revealing insights about ...