After 37 years, Carney received the Medal of Honor on May 23, 1900, for his heroism during the assault on Fort Wagner. When Carney died in 1908, the U.S. flag flew at half-mast at the Massachusetts State House. See the Library of Virginiaâs entry on William Harvey Carney.
Disadvantages. 1  Glass is the heaviest material used in the manufacture of lenses so eyeglasses with glass lenses will be the heaviest. 2  Thickness of the glass lenses: if you have large diopters lenses will be thicker. 3  Glass breaks easily: if you ride eyeglasses on the floor, you have a chance to run out of lenses.
What is the material used in Silhouetteâs Titan frames? Silhouetteâs Titan eyewear is made from Silhouetteâs proprietary hypoallergenic metal high-tech titanium. POL lenses filter out reflection and cut down glare when light bounces off of surfaces, such as water, sand and asphalt.