Ronald A Schachar

Ronald A Schachar

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Ronald A Schachar

Ronald A Schachar

Publications by authors named "Ronald A Schachar"

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Image registration of the human accommodating eye demonstrates equivalent increases in lens equatorial radius and central thickness.

Int J Ophthalmol 2019 18;12(11):1751-1757. Epub 2019 Nov 18.

School of Science and Technology, Nottingham Trent University, Nottingham NG1 4FQ, UK.

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http://dx.doi.org/10.18240/ijo.2019.11.14DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6848867PMC
November 2019

Comment on 'Prolonged nearwork affects the ciliary muscle morphology' by wagner S. et al. [Exp Eye Res 186 (2019) XXX-XXX].

Exp Eye Res 2019 Oct 6;187:107785. Epub 2019 Sep 6.

Byers Eye Institute, Horngren Family Vitreoretinal Center, Department of Ophthalmology, Stanford University School of Medicine, 2452 Watson Court, Palo Alto, CA, 94304, USA. Electronic address:

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http://dx.doi.org/10.1016/j.exer.2019.107785DOI Listing
October 2019

A Long-term Safety Study of Latanoprost in Pediatric Patients With Glaucoma and Ocular Hypertension: A Prospective Cohort Study.

Am J Ophthalmol 2018 12 5;196:101-111. Epub 2018 Sep 5.

Pediatric Ophthalmology and Strabismus Service, Duke Eye Center, Duke University School of Medicine, Durham, North Carolina, USA.

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https://linkinghub.elsevier.com/retrieve/pii/S00029394183050
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http://dx.doi.org/10.1016/j.ajo.2018.08.039DOI Listing
December 2018

A CCR2/5 Inhibitor, PF-04634817, Is Inferior to Monthly Ranibizumab in the Treatment of Diabetic Macular Edema.

Invest Ophthalmol Vis Sci 2018 05;59(6):2659-2669

Inflammation and Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, United States.

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http://dx.doi.org/10.1167/iovs.17-22731DOI Listing
May 2018

Mechanism of accommodation assessed by change in precisely registered ocular images associated with concurrent change in auto-refraction.

Graefes Arch Clin Exp Ophthalmol 2018 Feb 16;256(2):395-402. Epub 2017 Nov 16.

School of Science and Technology, Nottingham Trent University, Nottingham, UK.

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http://dx.doi.org/10.1007/s00417-017-3843-2DOI Listing
February 2018

Maximum human objectively measured pharmacologically stimulated accommodative amplitude.

Clin Ophthalmol 2018 22;12:201-205. Epub 2018 Jan 22.

School of Science and Technology, Nottingham Trent University, Nottingham, UK.

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http://dx.doi.org/10.2147/OPTH.S154432DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5784748PMC
January 2018

Sclera does not change its shape during accommodation.

Ophthalmic Physiol Opt 2017 09;37(5):624-625

Department of Computer Science and Engineering, University of Texas at Arlington, Arlington, USA.

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http://dx.doi.org/10.1111/opo.12395DOI Listing
September 2017

Image registration reveals central lens thickness minimally increases during accommodation.

Clin Ophthalmol 2017 11;11:1625-1636. Epub 2017 Sep 11.

Byers Eye Institute of Stanford University, Palo Alto, CA, USA.

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http://dx.doi.org/10.2147/OPTH.S144238DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5602687PMC
September 2017

Importance of Accommodation and Eye Dominance for Measuring Objective Refractions.

Am J Ophthalmol 2017 06 12;178:187-188. Epub 2017 Apr 12.

Palo Alto, California.

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http://dx.doi.org/10.1016/j.ajo.2017.03.024DOI Listing
June 2017

Gravity Does Not Affect Lens Position During Accommodation.

Invest Ophthalmol Vis Sci 2016 09;57(11):4566-7

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http://dx.doi.org/10.1167/iovs.16-19793DOI Listing
September 2016

Axitinib inhibits retinal and choroidal neovascularization in in vitro and in vivo models.

Exp Eye Res 2016 04 27;145:373-379. Epub 2016 Feb 27.

Global Science and Technology-WCM, Pfizer Inc., 10724 Science Center Drive, San Diego, CA 92121, USA. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S00144835163002
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http://dx.doi.org/10.1016/j.exer.2016.02.010DOI Listing
April 2016

Human Accommodative Ciliary Muscle Configuration Changes Are Consistent With Schachar's Mechanism of Accommodation.

Invest Ophthalmol Vis Sci 2015 Sep;56(10):6075

Department of Physics University of Texas at Arlington, Arlington, Texas, United States.

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http://dx.doi.org/10.1167/iovs.15-17452DOI Listing
September 2015

Comment on 'diminished ciliary muscle movement on accommodation in myopia' by S. Joen, W.K. Lee, L. Lee and N.J. Moon [Exp. Eye Res. 105 (2012) 9-14].

Exp Eye Res 2013 Oct 22;115:276-7. Epub 2012 Dec 22.

Department of Physics, University of Texas at Arlington, P.O. Box 8669, La Jolla, CA 92038, USA. Electronic address:

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http://dx.doi.org/10.1016/j.exer.2012.12.002DOI Listing
October 2013

Comment on "long-term reproducibility of Edinger-Westphal stimulated accommodation in rhesus monkeys" by He et al. (Exp. Eye Res. XXX (2013) XX-XX).

Exp Eye Res 2013 Oct;115:274

Department of Physics, University of Texas at Arlington, P.O. Box 8669, La Jolla, CA 92038, USA. Electronic address:

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http://dx.doi.org/10.1016/j.exer.2013.06.022DOI Listing
October 2013

Image registration required for magnetic resonance imaging experiments of accommodation.

Invest Ophthalmol Vis Sci 2013 Mar 13;54(3):1857-8. Epub 2013 Mar 13.

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http://dx.doi.org/10.1167/iovs.13-11784DOI Listing
March 2013

Axial length probably does not change with shift in gaze.

Invest Ophthalmol Vis Sci 2012 Oct 30;53(11):7425. Epub 2012 Oct 30.

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http://dx.doi.org/10.1167/iovs.12-11086DOI Listing
October 2012

The effect of high concentration and exposure duration of nanoceria on human lens epithelial cells.

Nanomedicine 2012 Apr 29;8(3):383-90. Epub 2011 Jun 29.

School of Biomedical Sciences, University of Ulster, Coleraine, UK.

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http://linkinghub.elsevier.com/retrieve/pii/S154996341100269
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http://dx.doi.org/10.1016/j.nano.2011.06.016DOI Listing
April 2012

Analysis of accommodative lens movement limited by quality of underlying data.

J Cataract Refract Surg 2011 Nov;37(11):2088

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http://dx.doi.org/10.1016/j.jcrs.2011.09.009DOI Listing
November 2011

Viscoelastic properties of fresh human lenses under 40 years of age: implications for the aetiology of presbyopia.

Br J Ophthalmol 2011 Jul 28;95(7):1010-3. Epub 2011 Mar 28.

Department of Physics, University of Arlington, Arlington, Texas, USA.

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http://dx.doi.org/10.1136/bjo.2011.202895DOI Listing
July 2011

Finite element analysis and the Schachar mechanism of accommodation.

J Cataract Refract Surg 2011 May;37(5):979

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http://dx.doi.org/10.1016/j.jcrs.2011.03.020DOI Listing
May 2011

Nanoceria have no genotoxic effect on human lens epithelial cells.

Nanotechnology 2010 Jan;21(3):035102

School of Biomedical Sciences, University of Ulster, Coleraine, UK.

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http://dx.doi.org/10.1088/0957-4484/21/3/035102DOI Listing
January 2010

Inclusion of nonchanging positional references.

J Cataract Refract Surg 2009 Jun;35(6):957-8; author reply 958

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http://dx.doi.org/10.1016/j.jcrs.2009.01.040DOI Listing
June 2009

Optical coherence tomography measurements of the fresh porcine eye and response of the outer coats of the eye to volume increase.

J Biomed Opt 2008 Mar-Apr;13(2):024002

University of Ulster, Department of Biomedical Sciences, Coleraine, Northern Ireland BT52 1SA, United Kingdom.

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http://biomedicaloptics.spiedigitallibrary.org/article.aspx?
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http://dx.doi.org/10.1117/1.2907453DOI Listing
August 2008

Equatorial lens growth predicts the age-related decline in accommodative amplitude that results in presbyopia and the increase in intraocular pressure that occurs with age.

Int Ophthalmol Clin 2008 ;48(1):1-8

Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA.

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http://dx.doi.org/10.1097/IIO.0b013e31815eb836DOI Listing
March 2008

Diffusion of nanoparticles into the capsule and cortex of a crystalline lens.

Nanotechnology 2008 Jan 6;19(2):025102. Epub 2007 Dec 6.

Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA.

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http://dx.doi.org/10.1088/0957-4484/19/02/025102DOI Listing
January 2008

Ocular lens does not change volume during accommodation.

Am J Physiol Cell Physiol 2007 Nov;293(5):C1727-8; author reply C1729-30

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http://dx.doi.org/10.1152/ajpcell.00266.2007DOI Listing
November 2007

Comment on the publication "Stiffness gradient in the crystalline lens" by H.A. Weeber et al.

Graefes Arch Clin Exp Ophthalmol 2007 Sep 11;245(9):1405-6; author reply 1047-8. Epub 2007 Jul 11.

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http://dx.doi.org/10.1007/s00417-007-0628-zDOI Listing
September 2007

Letter to the editor: the lens is stable during accommodation.

Ophthalmic Physiol Opt 2007 Sep;27(5):520-1; author reply 522-3

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http://dx.doi.org/10.1111/j.1475-1313.2007.00514.xDOI Listing
September 2007

Age related changes in accommodative dynamics in humans.

Vision Res 2007 Jul 8;47(15):2111-2. Epub 2006 May 8.

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http://dx.doi.org/10.1016/j.visres.2006.03.025DOI Listing
July 2007

The effect of human in vivo accommodation on crystalline lens stability.

Br J Ophthalmol 2007 Jun 10;91(6):790-3. Epub 2007 Jan 10.

University of Texas at Arlington, PO Box 601149, Dallas, TX 75229, USA.

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http://dx.doi.org/10.1136/bjo.2006.110791DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1955590PMC
June 2007

Lens hardness not related to the age-related decline of accommodative amplitude.

Mol Vis 2007 Jun 27;13:1010-1. Epub 2007 Jun 27.

Department of Physics, University of Texas at Arlington, Arlington, TX, USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2776538PMC
June 2007

Viscoelastic shear properties of the fresh porcine lens.

Br J Ophthalmol 2007 Mar 11;91(3):366-8. Epub 2006 Oct 11.

Department of Physics, University of Arlington, Arlington, Texas, USA.

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http://bjo.bmj.com/cgi/doi/10.1136/bjo.2006.105965
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http://dx.doi.org/10.1136/bjo.2006.105965DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1857677PMC
March 2007

The mechanism of accommodation and presbyopia.

Int Ophthalmol Clin 2006 ;46(3):39-61

Department of Physics, University of Texas at Arlington, PO Box 601149, Dallas, TX 75360, USA.

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http://dx.doi.org/10.1097/00004397-200604630-00006DOI Listing
November 2006

Effect of change in central lens thickness and lens shape on age-related decline in accommodation.

J Cataract Refract Surg 2006 Nov;32(11):1897-8; author reply 1898

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http://dx.doi.org/10.1016/j.jcrs.2006.05.034DOI Listing
November 2006

Controls required to assess IOL movement during accommodation.

J Cataract Refract Surg 2006 Oct;32(10):1593

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http://dx.doi.org/10.1016/j.jcrs.2006.04.044DOI Listing
October 2006

Proper material properties are required for the finite element method.

Arch Ophthalmol 2006 Jul;124(7):1064-5; author reply 1065-6

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http://dx.doi.org/10.1001/archopht.124.7.1064DOI Listing
July 2006

Analysis of human crystalline lens accommodation.

J Biomech 2006 ;39(4):672-80

Department of Civil and Environmental Engineering, University of Texas at Arlington, Arlington, TX 76019, USA.

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http://dx.doi.org/10.1016/j.jbiomech.2005.01.017DOI Listing
June 2006

Assessing intraocular lens accommodation.

J Cataract Refract Surg 2006 May;32(5):702-4; author reply 704-5

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http://dx.doi.org/10.1016/j.jcrs.2006.01.051DOI Listing
May 2006

The cornea is stable during accommodation.

J Cataract Refract Surg 2006 Mar;32(3):376

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http://dx.doi.org/10.1016/j.jcrs.2005.12.087DOI Listing
March 2006

Proper evaluation of accommodating IOLs.

J Cataract Refract Surg 2006 Jan;32(1):4-6

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http://dx.doi.org/10.1016/j.jcrs.2005.12.080DOI Listing
January 2006

Biometric changes in pseudophakic eyes.

Ophthalmology 2005 Dec;112(12):2241; author reply 2241-2

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http://dx.doi.org/10.1016/j.ophtha.2005.09.012DOI Listing
December 2005

Accommodation, presbyopia, and the lenticular syneretic response.

Curr Eye Res 2005 Nov;30(11):927

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http://dx.doi.org/10.1080/02713680500246965DOI Listing
November 2005

Should the pupil be used as a fixed reference for instrument alignment?

J Cataract Refract Surg 2005 Nov;31(11):2040-1

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http://dx.doi.org/10.1016/j.jcrs.2005.12.009DOI Listing
November 2005

Growth patterns of fresh human crystalline lenses measured by in vitro photographic biometry.

J Anat 2005 Jun;206(6):575-80

Department of Physics, University of Texas at Arlington, Texas, USA.

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http://dx.doi.org/10.1111/j.1469-7580.2005.00422.xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1571524PMC
June 2005

Proper statistical methods required to compare clinical measurements.

J Cataract Refract Surg 2005 May;31(5):865-6; author reply 866-7

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http://dx.doi.org/10.1016/j.jcrs.2005.03.038DOI Listing
May 2005

Helmholtzian accommodation.

Ophthalmology 2005 Apr;112(4):739; author reply 739-40

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http://dx.doi.org/10.1016/j.ophtha.2005.01.028DOI Listing
April 2005

References are required for measurement of OCT images.

J Cataract Refract Surg 2005 Feb;31(2):257-8

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http://dx.doi.org/10.1016/j.jcrs.2004.12.021DOI Listing
February 2005

Dynamic aspects of accommodation: age and presbyopia.

Vision Res 2004 ;44(19):2313; author reply 2315-6

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http://dx.doi.org/10.1016/j.visres.2004.03.018DOI Listing
November 2004

Glaucoma care in a patient with previous anterior ciliary sclerotomy and scleral expansion procedure.

Arch Ophthalmol 2004 Nov;122(11):1728; author reply 1728-9

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http://dx.doi.org/10.1001/archopht.122.11.1728-aDOI Listing
November 2004

Central surface curvatures of postmortem- extracted intact human crystalline lenses: implications for understanding the mechanism of accommodation.

Ophthalmology 2004 Sep;111(9):1699-704

University of Texas at Arlington, Arlington, Texas, USA.

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http://dx.doi.org/10.1016/j.ophtha.2004.03.033DOI Listing
September 2004

Qualitative effect of zonular tension on freshly extracted intact human crystalline lenses: implications for the mechanism of accommodation.

Invest Ophthalmol Vis Sci 2004 Aug;45(8):2691-5

Department of Physics, University of Texas at Arlington, Dallas, 75360, USA.

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http://dx.doi.org/10.1167/iovs.03-1267DOI Listing
August 2004

A mathematical expression for the human crystalline lens.

Compr Ther 2003 ;29(4):245-58

Department of Civil and Environmental Engineering, University of Texas at Arlington, Arlington, Texas, USA.

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http://dx.doi.org/10.1385/comp:29:4:244DOI Listing
May 2004

A model for crystalline lens accommodation.

Compr Ther 2003 Summer-Fall;29(2-3):167-75

Department of Civil and Environmental Engineering, University of Texas at Arlington, Arlington, Tex., USA.

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http://dx.doi.org/10.1385/comp:29:2-3:166DOI Listing
April 2004

Effect of accommodation on the cornea.

J Cataract Refract Surg 2004 Mar;30(3):531-3

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http://dx.doi.org/10.1016/j.jcrs.2004.02.001DOI Listing
March 2004

Error tolerance in Helmholtzian accommodation.

Ophthalmology 2003 Oct;110(10):2066-7; author reply 2067

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http://dx.doi.org/10.1016/S0161-6420(03)00910-2DOI Listing
October 2003

Polar strain and crystalline lens age.

Ophthalmology 2003 May;110(5):876; author reply 876-7

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http://dx.doi.org/10.1016/S0161-6420(02)01860-2DOI Listing
May 2003

Presbyopic surgery.

Int Ophthalmol Clin 2002 ;42(4):107-18

Presby Corp, Dallas, TX 75206, USA.

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http://dx.doi.org/10.1097/00004397-200210000-00011DOI Listing
December 2002

Age-related changes of the refractive index of the crystalline lens.

Vision Res 2002 Nov;42(25):2807; author reply 2809

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http://dx.doi.org/10.1016/s0042-6989(02)00406-6DOI Listing
November 2002

Presbyopia, accommodation, and mature catenary.

Ophthalmology 2002 Aug;109(8):1416; author reply 1416-8

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http://dx.doi.org/10.1016/s0161-6420(02)01142-9DOI Listing
August 2002

"Retinal imaging" aberrometry.

Ophthalmology 2002 Mar;109(3):405-6; author reply 406-7

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http://dx.doi.org/10.1016/s0161-6420(01)00919-8DOI Listing
March 2002