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Physiological pseudomyopia.
Optom Vis Sci. 1990 Aug; 67(8):610-6.OV

Abstract

Objective refraction through plus fogging lenses and base-in prisms revealed that normally accommodation is not completely relaxed when the stimulus to accommodation is zero. The myopic shift in the refractive error due to this focus error of accommodation was defined as physiological pseudomyopia. Two previously established features of accommodation are responsible for this behavior: (1) accommodation acts as a proportional control system for steady-state responses; and (2) the rest focus of accommodation is nonzero. It is proposed that the hyperopic shift in refraction observed in cycloplegia is the result of elimination of physiological pseudomyopia.

Authors+Show Affiliations

College of Optometry, Ohio State University, Columbus.

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

2216328

Citation

Jones, R. "Physiological Pseudomyopia." Optometry and Vision Science : Official Publication of the American Academy of Optometry, vol. 67, no. 8, 1990, pp. 610-6.
Jones R. Physiological pseudomyopia. Optom Vis Sci. 1990;67(8):610-6.
Jones, R. (1990). Physiological pseudomyopia. Optometry and Vision Science : Official Publication of the American Academy of Optometry, 67(8), 610-6.
Jones R. Physiological Pseudomyopia. Optom Vis Sci. 1990;67(8):610-6. PubMed PMID: 2216328.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Physiological pseudomyopia. A1 - Jones,R, PY - 1990/8/1/pubmed PY - 1990/8/1/medline PY - 1990/8/1/entrez SP - 610 EP - 6 JF - Optometry and vision science : official publication of the American Academy of Optometry JO - Optom Vis Sci VL - 67 IS - 8 N2 - Objective refraction through plus fogging lenses and base-in prisms revealed that normally accommodation is not completely relaxed when the stimulus to accommodation is zero. The myopic shift in the refractive error due to this focus error of accommodation was defined as physiological pseudomyopia. Two previously established features of accommodation are responsible for this behavior: (1) accommodation acts as a proportional control system for steady-state responses; and (2) the rest focus of accommodation is nonzero. It is proposed that the hyperopic shift in refraction observed in cycloplegia is the result of elimination of physiological pseudomyopia. SN - 1040-5488 UR - https://wwww.unboundmedicine.com/medline/citation/2216328/Physiological_pseudomyopia_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=2216328.ui DB - PRIME DP - Unbound Medicine ER -