Ametropia

Abnormal or impaired vision. Amherst, JEFFERY, LORD, 1717-1797. British officer. He took Louis burg 1758 and Montreal 1760; was Gov. of Va. 1763; made Baron A. 1776; commander-in-chief in America 1758, and in England 1778-82 and 1793-95; field-marshal 1796.-His nephew, WILLIAM PITT, 1773-1857, was envoy to China 1816, and Gov.gen. of India 1823-26; first earl of A. 1826.