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Amplitude dependent accommodative dynamics in humans.
Vision Res. 2003 Dec; 43(27):2945-56.VR

Abstract

Dynamics of accommodation (far-to-near focus) and disaccommodation (near-to-far focus) are described as a function of response amplitude. Accommodative responses to step stimuli of various amplitudes presented in real space were measured in eight 20-30 year old subjects. Responses were fitted with exponential functions to determine amplitude, time constant and peak velocity. Despite the intersubject variability, the results show that time constants of accommodation and peak velocity of disaccommodation increase with amplitude in all subjects. The dynamics of accommodation and disaccommodation are dependent on amplitude, but have different properties in each case.

Authors+Show Affiliations

College of Optometry, University of Houston, 4901 Calhoun Road, Houston, TX 77004, USA.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

14568383

Citation

Kasthurirangan, Sanjeev, et al. "Amplitude Dependent Accommodative Dynamics in Humans." Vision Research, vol. 43, no. 27, 2003, pp. 2945-56.
Kasthurirangan S, Vilupuru AS, Glasser A. Amplitude dependent accommodative dynamics in humans. Vision Res. 2003;43(27):2945-56.
Kasthurirangan, S., Vilupuru, A. S., & Glasser, A. (2003). Amplitude dependent accommodative dynamics in humans. Vision Research, 43(27), 2945-56.
Kasthurirangan S, Vilupuru AS, Glasser A. Amplitude Dependent Accommodative Dynamics in Humans. Vision Res. 2003;43(27):2945-56. PubMed PMID: 14568383.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Amplitude dependent accommodative dynamics in humans. AU - Kasthurirangan,Sanjeev, AU - Vilupuru,Abhiram S, AU - Glasser,Adrian, PY - 2003/10/22/pubmed PY - 2003/12/17/medline PY - 2003/10/22/entrez SP - 2945 EP - 56 JF - Vision research JO - Vision Res. VL - 43 IS - 27 N2 - Dynamics of accommodation (far-to-near focus) and disaccommodation (near-to-far focus) are described as a function of response amplitude. Accommodative responses to step stimuli of various amplitudes presented in real space were measured in eight 20-30 year old subjects. Responses were fitted with exponential functions to determine amplitude, time constant and peak velocity. Despite the intersubject variability, the results show that time constants of accommodation and peak velocity of disaccommodation increase with amplitude in all subjects. The dynamics of accommodation and disaccommodation are dependent on amplitude, but have different properties in each case. SN - 0042-6989 UR - https://www.unboundmedicine.com/medline/citation/14568383/Amplitude_dependent_accommodative_dynamics_in_humans_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0042698903004917 DB - PRIME DP - Unbound Medicine ER -