The laser optometer and some implications for behavioral research.

Discusses the use of the laser optometer as a means of evaluating visual accommodation distances. Advantages of the laser procedure, which involves superimposing a speckle pattern reflected from a moving drum into the field of view where the observer reports the direction of movement of the pattern, are examined, and some experimental findings on the optometer are discussed. (19 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)