Eye refraction examined by aid of speckle pattern produced by coherent light.
D000065:Accommodation, Ocular; D000328:Adult; D000368:Aged; D001251:Astigmatism / Q000503:physiopathology; D005139:Eyeglasses; D005556:Form Perception; D006801:Humans; D007834:Lasers; D008875:Middle Aged; D009068:Movement; D012029:Refraction, Ocular