If you've ever tried using eye drops, then you'll know that a great deal of the medication simply ends up being flushed from your eye by flowing tears, in a process that naturally keeps foreign ...

People with diabetes often have to check their blood sugar using a drop of blood squeezed from a finger, thigh or some other part of the body. It's an unpleasant part of managing the disease, but when ...

(Nanowerk News) Researchers have incorporated ultra-thin optical devices known as metasurfaces into off-the-shelf contact lenses to correct deuteranomaly, a form of red-green color blindness. The new ...

WASHINGTON -- Researchers have incorporated ultra-thin optical devices known as metasurfaces into off-the-shelf contact lenses to correct deuteranomaly, a form of red-green color blindness. The new ...