RobertAlexanderClarkMD

PubMed

• 88 citations
  Effect of aging on human rectus extraocular muscle paths demonstrated by magnetic resonance imaging
  Robert A. Clark, Joseph L. Demer
  American Journal of Ophthalmology. 2002-12-01
• 22 citations
  Rectus Pulley Displacements without Abnormal Oblique Contractility Explain Strabismus in Superior Oblique Palsy
  Soh Youn Suh, Alan Le, Robert A. Clark, Joseph L. Demer
  Ophthalmology. 2016-06-01
• 93 citations
  Magnetic resonance imaging evidence for widespread orbital dysinnervation in congenital fibrosis of extraocular muscles due to mutations in KIF21A.
  Joseph L. Demer, Robert A. Clark, Elizabeth C. Engle
  Investigative Ophthalmology & Visual Science. 2005-02-01

Journal Articles

• Active Pulleys: Magnetic Resonance Imaging of Rectus Muscle Paths in Tertiary Gaze.  
  Kono R, Clark R A, Demer J L, Invest. Ophthalmol Vis. Sci
• Arterial Blood Gas Analysis.  
  Clark R A, Raffin T., llan and Hanburys, a subsidiary of Glaxo, Inc.
• PE Profiles.  
  Clark R A, Presidential Council on Physical Fitness
• Invasive Vascular Lines: Placement and Monitoring.  
  Clark R A, Raffin T, TORR Interactive Software
• Pulmonary Function Test Analysis.  
  Clark R A, Raffin T, Boehringer Ingelheim Pharmaceuticals, Inc.
• Efficacy of Computers in Teaching Arterial Blood Gas Analysis.  
  Clark R A, Raffin T, Academic Medicine
• Instrument-Induced Measurement Error During Strabismus Surgery.  
  Clark R A, Rosenbaum A 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
• Facial asymmetry in superior oblique palsy and pulley heterotopy.  
  Velez, F G, Clark, R A, Demer J L, Journal of AAPOS
• 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
• Ocular Plagiocephaly Ophthalmology.  
  Clark R A, Demer J L, Letter to Ed
• 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
• The Range of Ocular Movements Decrease with Aging.  
  Clark R A, Isenberg S J, J AAPOS
• 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
• 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
• Differential lateral rectus compartmental contraction during ocular counter-rolling.  
  Clark R A, Demer J L, Invest. Ophthalmol Vis. Sci
• Effect of Aging on Human Rectus Extraocular Muscle Paths Demonstrated by Magnetic Resonance Imaging.  
  Clark R A, Demer J L, Am J Ophthalmol
• 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
• Evidence for a pulley of the inferior oblique muscle.  
  Demer J L, Oh S Y, Clark R A, Poukens V, Invest. 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.
• 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.
• 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 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 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.
• Functional anatomy of the extraocular muscles during vergence.  
  Demer, J L, Clark, R A, Crane, B T, Tian, J, Narasimhan, A, Prog Brain Res
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Books/Book Chapters

• 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
• Does your child really need glasses? A parent’s complete guide to eyecare. 
  Robert A ClarkPrima Publishing, Roseville, CA

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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