New Zealander George Hudson proposed the modern idea of daylight saving in 1895. Germany and Austria-Hungary organized the first implementation, starting on 30 April 1916. Many countries have used it at various times since then, particularly since the energy crisis of the 1970s.
Medical Definition of DISABLE. : to deprive of a mental or physical capacity.
Medical Definition of blind. 1  1a: lacking or deficient in sight; especially : having less than 1â10 of normal vision in the more efficient eye when refractive defects are fully corrected by lensesb: of or relating to sightless persons blind care.