"1918Z"^^ . . "American optometrist" . . "2010-07-15Z"^^ . "1918-03-23Z"^^ . . . . "Marg, Elwin"@en . . "Elwin Marg (23 March 1918 \u2013 15 July 2010) was an American optometrist and neuroscientist at the University of California at Berkeley. He was the first to receive a PhD from UC Berkeley School of Optometry. It was he who gave the name electrooculogram, a technique for measurement of nerve impulse in the eye.He developed an improved tonometer that avoided use of anaesthetics for the first time in optometrical diagnosis."@en . . "Elwin Marg"@en . . "2010Z"^^ .