First made in 1887, they went bifocal in 1958
These types of contact lenses were called scleral lenses, and they covered the 
entire... [DOC] [TLE] Inventions - Timelines [PAR] 1784: Bifocals ... 1887: Monotype machine ... 1958: Communications satellite ... 
Lab-created rat lungs that function at 95 percent capacity.