'Contact lenses' for animals

Lions, giraffes, tigers, rabbits, bears, rhinos and even owls can go blind from cataracts, but an east German firm has an answer: custom-made "contact lenses".

High-tech contact lenses correct color blindness

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 customizable contact lens could offer ...

Self-healing hydrogels ease into production

Hydrogels are semi-solid materials formed by polymer chains that trap water molecules into three-dimensional gels. They are used in a variety of applications, including soft contact lenses, but the fragile nature of the materials ...

New microscopy method could improve LASIK surgery

A team of University of Maryland bioengineering researchers have developed a microscopy technique that could one day be used to improve LASIK and eliminate the "surgery" aspect of the procedure. Their findings were published ...

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