Alcon’s Voyager is a fully automated, noncontact treatment approach that delivers 120 laser pulses through the limbus of the ...

Halliburton to design new extraction wells Halliburton, the energy industry services provider, said Monday that it has secured a contract to develop GeoFrame Energy's geothermal and direct lithium ...

Xerophthalmia is an eye disease caused by vitamin A deficiency. Learn more about what causes it, what to expect, and more.

: If you have aqueous tear-deficient dry eye, your tear glands don't make enough tears. WebMD explains what causes this condition and what to do about it.