Accommodation stimulus-response function and retinal image quality

被引:77
作者
Buehren, T [1 ]
Collins, MJ [1 ]
机构
[1] Queensland Univ Technol, Sch Optometry, Contact Lens & Visual Opt Lab, Brisbane, Qld 4059, Australia
关键词
accommodation stimulus-response; higher-order aberrations; pupil size; retinal image quality;
D O I
10.1016/j.visres.2005.06.009
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Accommodation stimulus-response function (ASRF) and its relationship to retinal image quality were investigated using a modified wavefront sensor. Ten subjects were presented with six vergence stimuli between 0.17 D and 5 D. For each vergence distance, ocular wavefronts and subjective visual acuity were measured. Wavefronts were analysed for a fixed 3-mm pupil diameter and for natural pupil sizes. Visual Strehl ratio computed in the frequency domain (VSOTF) and retinal images were calculated for each condition tested. Subjective visual acuity was significantly improved at intermediate vergence distances (1 D and 2 D; p < 0.01), and only decreased significantly at 5 D compared with 0.17 D (p < 0.05). VSOTF magnitude was associated with subjective visual acuity and VSOTF peak location correlated with accommodation error. Apparent accommodation errors due to spherical aberration were highly correlated with accommodation lead and lag for natural pupils (R-2 = 0.80) but not for fixed 3-mm pupils (R-2 < 0.00). The combination of higher-order aberrations and accommodation errors improved retinal image quality compared with accommodation errors or higher order aberrations alone. Pupil size and higher order aberrations play an important role in the ASRF. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1633 / 1645
页数:13
相关论文
共 48 条
[1]  
Abbott ML, 1998, OPHTHAL PHYSL OPT, V18, P13, DOI 10.1016/S0275-5408(97)00072-0
[2]   Interaction between aberrations to improve or reduce visual performance [J].
Applegate, RA ;
Marsack, JD ;
Ramos, R ;
Sarver, EJ .
JOURNAL OF CATARACT AND REFRACTIVE SURGERY, 2003, 29 (08) :1487-1495
[3]   MEASUREMENT OF MONOCHROMATIC OCULAR ABERRATIONS OF HUMAN EYES AS A FUNCTION OF ACCOMMODATION BY THE HOWLAND ABERROSCOPE TECHNIQUE [J].
ATCHISON, DA ;
COLLINS, MJ ;
WILDSOET, CF ;
CHRISTENSEN, J ;
WATERWORTH, MD .
VISION RESEARCH, 1995, 35 (03) :313-323
[4]   STEADY-STATE ACCOMMODATION AND OCULAR BIOMETRY IN LATE-ONSET MYOPIA [J].
BULLIMORE, MA ;
GILMARTIN, B ;
ROYSTON, JM .
DOCUMENTA OPHTHALMOLOGICA, 1992, 80 (02) :143-155
[5]  
CHAMAN WN, 1982, OPHTHALMIC OPT, V3, P469
[6]   Near vision, lags of accommodation and myopia [J].
Charman, WN .
OPHTHALMIC AND PHYSIOLOGICAL OPTICS, 1999, 19 (02) :126-133
[7]  
Chen A H, 2000, Optometry, V71, P454
[8]   The autonomic control of accommodation and implications for human myopia development: a review [J].
Chen, JC ;
Schmid, KL ;
Brown, B .
OPHTHALMIC AND PHYSIOLOGICAL OPTICS, 2003, 23 (05) :401-422
[9]   A population study on changes in wave aberrations with accommodation [J].
Cheng, H ;
Barnett, JK ;
Vilupuru, AS ;
Marsack, JD ;
Kasthurirangan, S ;
Applegate, RA ;
Roorda, A .
JOURNAL OF VISION, 2004, 4 (04) :272-280
[10]   Predicting subjective judgment of best focus with objective image quality metrics [J].
Cheng, X ;
Bradley, A ;
Thibos, LN .
JOURNAL OF VISION, 2004, 4 (04) :310-321