Monocular estimate method

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The monocular estimate method or monocular estimation method is a form of dynamic retinoscopy widely used to objectively measure accommodative response.[1][2] The expected values for MEM are +0.25 to +0.50 diopters.[2]


  1. Tassinari JT. "Monocular estimate method retinoscopy: central tendency measures and relationship to refractive status and heterophoria." Optom Vis Sci. 2002 Nov;79(11):708-14. PMID 12462539.
  2. 2.0 2.1 Taub MB, Rowe S, Bartuccio M. "Examining special populations. Part 3: Examination techniques." OT. March 10, 2006. Accessed October 2, 2006.