RobertAlexanderClarkMD

PubMed

• Letter Regarding Adade and Das "Investigation of Selective Innervation of Extraocular Muscle Compartments".
  Joseph L Demer, Robert A Clark> ;Investigative Ophthalmology & Visual Science. 2023 Jun 1
• Reply to Comment on: Masquerading superior oblique palsy.
  Joseph L Demer, Robert A Clark> ;American Journal of Ophthalmology. 2023 Apr 1
• 3 citations
  Masquerading Superior Oblique Palsy.
  Joseph L Demer, Robert A Clark> ;American Journal of Ophthalmology. 2022 Oct 1
• 1 citations
  Can Binocular Alignment Distinguish Hypertropia in Sagging Eye Syndrome From Superior Oblique Palsy?
  Qi Wei, Robert A Clark, Joseph L Demer> ;Investigative Ophthalmology & Visual Science. 2022 Sep 1
• 13 citations
  Adduction-Induced Strain on the Optic Nerve in Primary Open Angle Glaucoma at Normal Intraocular Pressure
  Robert A. Clark, Soh Youn Suh, Joseph Caprioli, JoAnn A. Giaconi, Kouros Nouri-Mahdavi, Simon Law, Laura Bonelli, Anne L. Coleman, Joseph L. Demer> ;Current Eye Research. 2021 Apr 3
• 1 citations
  Functional Anatomy of Muscle Mechanisms: Compensating Vertical Heterophoria.
  Joseph L. Demer, Robert A. Clark> ;American Journal of Ophthalmology. 2021 Jan 1
• 1 citations
  Letter to the Editor of IOVS From Joseph L. Demer and Robert A. Clark Regarding Joel M. Miller, "EOM Pulleys and Sequelae: A Critical Review".
  Joseph L. Demer, Robert A. Clark> ;Investigative Ophthalmology & Visual Science. 2020 Jun 3
• 5 citations
  The Effect of Axial Length on Extraocular Muscle Leverage.
  Robert A. Clark, Joseph L. Demer> ;American Journal of Ophthalmology. 2020 Apr 2
• 20 citations
  Optic Nerve Traction During Adduction in Open Angle Glaucoma with Normal versus Elevated Intraocular Pressure.
  Joseph L. Demer, Robert A. Clark, Soh Youn Suh, JoAnn A. Giaconi, Kouros Nouri-Mahdavi, Simon Law, Laura Bonelli, Anne L. Coleman, Joseph Caprioli> ;Current Eye Research. 2020 Feb 1
• Reply.
  Robert A Clark, Andrew E Choy, Joseph L Demer> ;Journal of AAPOS. 2019 Dec 1
• 33 citations
  Atropine 0.01% Eye Drops for Myopia Control in American Children: A Multiethnic Sample Across Three US Sites
  G. Luke Larkin, Alifiya Tahir, K. David Epley, Cynthia L. Beauchamp, John T. Tong, Robert A. Clark> ;Ophthalmology and Therapy. 2019 Oct 10
• 8 citations
  Functional anatomy of extraocular muscles during human vergence compensation of horizontal heterophoria.
  Joseph L. Demer, Robert A. Clark> ;Journal of Neurophysiology. 2019 Jul 1
• 14 citations
  Translation and eccentric rotation in ocular motor modeling.
  Joseph L. Demer, Robert A. Clark> ;Progress in Brain Research. 2019 Jan 1
• 5 citations
  Lateral rectus sag and recurrent esotropia in children
  Robert A. Clark, Andrew E. Choy, Joseph L. Demer> ;Journal of AAPOS. 2019 Apr 1
• Reply.
  Robert A Clark, Joseph L Demer> ;American Journal of Ophthalmology. 2019 Feb 1
• Reply.
  Robert Clark, Joseph Demer> ;Ophthalmology. 2019 Jan 1
• 8 citations
  Functional anatomy of human extraocular muscles during fusional divergence.
  Joseph L. Demer, Robert A. Clark> ;Journal of Neurophysiology. 2018 Sep 19
• 8 citations
  Magnetic Resonance Imaging of the Globe-Tendon Interface for Extraocular Muscles: Is There an "Arc of Contact"?
  Robert A. Clark, Joseph L. Demer> ;American Journal of Ophthalmology. 2018 Jul 19
• 3 citations
  Orbital Imaging in Strabismus.
  Robert A. Clark> ;Journal of Binocular Vision and Ocular Motility. 2018 Jul 6
• 13 citations
  Optic Nerve Sheath Tethering in Adduction Occurs in Esotropia and Hypertropia, But Not in Exotropia
  Soh Youn Suh, Robert A. Clark, Joseph L. Demer> ;Investigative Ophthalmology & Visual Science. 2018 Jun 1
• 3 citations
  The Globe's Eccentric Rotational Axis: Why Medial Rectus Surgery Is More Potent than Lateral Rectus Surgery.
  Robert A. Clark, Joseph L. Demer> ;Ophthalmology. 2018 Mar 30
• 7 citations
  Convergence Insufficiency Symptom Survey scores for required reading versus leisure reading in school-age children.
  Tiana Y. Clark, Robert A. Clark> ;Journal of AAPOS. 2017 Dec 1
• 44 citations
  Magnetic Resonance Imaging of Optic Nerve Traction During Adduction in Primary Open-Angle Glaucoma With Normal Intraocular Pressure.
  Joseph L. Demer, Robert A. Clark, Soh Youn Suh, JoAnn A. Giaconi, Kouros Nouri-Mahdavi, Simon Law, Laura Bonelli, Anne L. Coleman, Joseph Caprioli> ;Investigative Ophthalmology & Visual Science. 2017 Aug 1
• 2 citations
  Medial rectus pulley posterior fixation for esotropia with a high AC/A ratio.
  Tiana Y. Clark, Robert A. Clark> ;Journal of AAPOS. 2017 Feb 1
• 5 citations
  Neutral point testing of color vision in the domestic cat.
  Daria L. Clark, Robert A. Clark> ;Experimental Eye Research. 2016 Dec 1
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Journal Articles

• Differential lateral rectus compartmental contraction during ocular counter-rolling.  
  Clark R A, Demer J L, Invest. Ophthalmol Vis. Sci
• Expanding repertoire in the oculomotor periphery: selective compartmental function in rectus extraocular muscles.  
  Demer, J L, Clark R A, da Silva Coasta, R M, Kung, J, Yoo, L, Ann NY Acad Sciences
• Enhanced vertical rectus contractility by magnetic resonance imaging in superior oblique palsy.  
  Clark, R A, Demer, J L, Arch Ophthalmol
• Magnetic resonance imaging evidence of an asymmetrical endophenotype in congenital fibrosis of extraocular muscles type 3 resulting from TUBB3 mutations.  
  Demer, J L, Clark, R A, Tischfield, M A, Engle, E C, Invest. Ophthalmol Vis. Sci
• Adult Strabismus Focal Points Clinical Modules for Ophthalmologists.  
  Coats, D K, Clark, R A, Kodsi, S R, Am. Acad. Ophthal
• Posterior inflection of weakened lateral rectus path: Connective tissue factors reduce response to lateral rectus recession.  
  Clark, R A, and Demer, J L, Am. J. Ophthalmol
• Functional anatomy of the extraocular muscles during vergence.  
  Demer, J L, Clark, R A, Crane, B T, Tian, J, Narasimhan, A, Prog Brain Res
• Magnetic Resonance Imaging of Innervational and Extraocular Muscle Abnormalities in Duane-Radial Ray Syndrome.  
  Demer, J L, Clark R A, Lim K H, Engle E C, Invest. Ophthalmol Vis. Sci.
• Magnetic Resonance Imaging Evidence for Widespread Orbital Dysinnervation in Dominant Duane’s Retraction Syndrome Linked to the DURS2 Locus.  
  Demer, J L, Clark R A, Lim K H, Engle E C, Invest. Ophthalmol Vis. Sci.
• Magnetic resonance imaging of human extraocular muscles during static ocular counter-rolling.  
  Demer J L, Clark R A, Neurophysiol
• Magnetic Resonance Imaging Evidence for Widespread Orbital Dysinnervation in Congenital Fibrosis of Extraocular Muscles due to Muttations in KIF21A.  
  Demer J L, Clark R A, Engle, E C, Ophthalmol Vis. Sci.
• Demonstration of Systematic Variation in Human Intraorbital Optic Nerve Size by Quantitative Magnetic Resonance Imaging and Histology.  
  Karim S, Clark R A, Demer J L, Invest. Ophthalmol Vis. Sci.
• Evidence for a pulley of the inferior oblique muscle.  
  Demer J L, Oh S Y, Clark R A, Poukens V, Invest. Ophthalmol Vis. Sci
• A 12-Year, Prospective Study of Extraocular Muscle Imaging in Complex Strabismus.  
  Demer J L, Clark R A, Kono R, Wright W, Velez F, Rosenbaum A L, J AAPOS
• Effect of Aging on Human Rectus Extraocular Muscle Paths Demonstrated by Magnetic Resonance Imaging.  
  Clark R A, Demer J L, Am J Ophthalmol
• Active Pulleys: Magnetic Resonance Imaging of Rectus Muscle Paths in Tertiary Gaze.  
  Kono R, Clark R A, Demer J L, Invest. Ophthalmol Vis. Sci
• Incomitant Strabismus Associated with Instability of Rectus Pulleys.  
  Oh S Y, Clark R A, Velez F, Rosenbaum A L, Demer J L, Invest. Ophthalmol Vis. Sci
• Timing of Postoperative Adjustment in Adjustable Suture Surgery.  
  Velez F G, Chan T K, Vives T, Chou T, Clark R A, Keys M, Rosenbaum A L, Isenberg S J, J AAPOS
• The Range of Ocular Movements Decrease with Aging.  
  Clark R A, Isenberg S J, J AAPOS
• Grand Rounds #58: A Case of a Lost Medial Rectus in the Fixing Eye of a Patient with Face Turn Secondary to Nystagmus.  
  Clark RA, Binoc Vision Strab Q
• Ocular Plagiocephaly Ophthalmology.  
  Clark R A, Demer J L, Letter to Ed
• Three-dimensional location of human rectus pulleys by path inflections in secondary gaze positions.  
  Clark, R A, Miller J M, Demer J L, Invest. Ophthalmol. Vis. Sci
• Facial asymmetry in superior oblique palsy and pulley heterotopy.  
  Velez, F G, Clark, R A, Demer J L, Journal of AAPOS
• Role of Orbital Connective Tissue in the Pathogenesis of Strabismus.  
  Demer J L, Clark R A, Miller J M, Amer Orthoptic J
• Instrument-Induced Measurement Error During Strabismus Surgery.  
  Clark R A, Rosenbaum A L, Journal of AAPOS
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Books/Book Chapters

• Does your child really need glasses? A parent’s complete guide to eyecare. 
  Robert A ClarkPrima Publishing, Roseville, CA
• Progress in Strabismology. 
  Chapter: Gaze-related orbital pulley shift: a novel cause of incomitant strabismus. 
  Page 207 - 210Demer, J. L., R. Kono, et alEditors: J.T. de Faber.Lisse: Swets and Zeitlinger
• Advances in Strabismology. 
  Chapter: Heterotopy of Extraocular Muscle Pulleys Causes Incomitant Strabismus. 
  Demer J L, Clark R AEditors: Lennerstrand, G..Amsterdam: Swets

Abstracts/Posters

• Medial rectus pulley posterior fixation is as effective as scleral posterior fixation for acquired esotropia with a high AC/A ratio.
  Clark R A, Ariyasu R, Demer J L, Amer J Ophthalmol, Anaheim, CA
• Medial rectus pulley posterior fixation: A novel technique to augment recession.
  Clark R A, Ariyasu R, Demer J L, J AAPOS, Washington, DC.
• Magnetic Resonance Imaging of the Effect of Horizontal Rectus Extraocular Muscle Surgery on Pulley and Globe Positions and Stability.
  Clark R A, Demer J L, Ophthalmol Vis. Sci., AAPOS 3/05, Orlando, FL.
• Clinical Guidelines for Vision Services.
  Clark R A, Student Medical Services, Los Angeles Unified School District
• Dilation Probing as Primary Treatment for Congenital Nasolacrimal Duct Obstruction.
  Clark R A, J AAPOS, AAPOS 3/02, Seattle, WA
• Rectus Extraocular Muscle Pulley Displacement after Surgical Transposition and Posterior Fixation for Treatment of Paralytic Strabismus.
  Demer J L, Clark R A, Engle, E C, Amer J Ophthalmol, AAPOS 3/01, Orlando, FL
• Magnetic Resonance Imaging of the Functional Anatomy of the Human Inferior Oblique Muscle.
  Demer J L, Clark R A, Miller J M, n/a, ARVO 5/99, Ft. Lauderdale, FL.
• Posterior Fixation Sutures: A Revised Mechanical Explanation Based on Rectus Extraocular Muscle Pulleys.
  Clark R A, Isenberg S J, Rosenbaum A L Demer J L, Amer J Ophthalmol, AAPOS 4/99, Toronto, Canada.
• Magnetic Resonance Imaging after Surgical Transposition Defines the Anteroposterior Location of the Rectus Muscle Pulleys.
  Clark R A, Rosenbaum A L, Demer J L, Journal of AAPOS., AAPOS 4/98 in Palm Springs, CA.
• Molecular Mechanisms of Strabismus in Marfan’s Syndrome: Deficient Fibrillen Destabilizes the Extraocular Muscle Pulleys.
  Demer J L, Poukens V, Clark R A, Miller J M, Porter J, Journal of AAPOS., AAPOS 4/98 in Palm Springs, CA.
• Heterotopic Muscle Pulleys or Oblique Muscle Dysfunction?
  Clark R A, Miller J M, Rosenbaum A L, Demer J L, Journal of AAPOS, AAPOS 4/97 in Charleston, SC.
• Magnetic Resonance Imaging Demonstrates Displacement of the Medial Rectus Pulley in SO Palsy.
  Clark R A, Miller J M, Demer J L, Invest Ophthalmol Vis Sci., ARVO 5/97 in Ft. Lauderdale, FL
• Location and Stability of Rectus Muscle Pulleys: Muscle Paths as a Function of Gaze.
  Clark R A, Miller J M, Demer J L, nvest Ophthalmol Vis Sci, Jules Stein Resident’s and Alumni Day 3/96, Los Angeles, CA
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