RobertAlexanderClarkMD

PubMed

• 19 citations
  Dilation probing as primary treatment for congenital nasolacrimal duct obstruction.
  Robert A. Clark
  Journal of AAPOS. 2002-12-01
• 57 citations
  Demonstration of systematic variation in human intraorbital optic nerve size by quantitative magnetic resonance imaging and histology.
  Shaheen Karim, Robert A. Clark, Vadims Poukens, Joseph L. Demer
  Investigative Ophthalmology & Visual Science. 2004-04-01
• 48 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
  Investigative Ophthalmology & Visual Science. 2017-08-01

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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