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Trefford Lee Simpson

Observed names: T L Simpson, T Simpson, T. Simpson, T.L. Simpson, TREFFORD L. SIMPSON, TREFFORD SIMPSON, Trefford L Simpson, Trefford L. Simpson, Trefford Lee Simpson, Trefford Simpson
Observed institutions: Natural Sciences and Engineering Research Council of Canada, University of Waterloo, University of Toronto, Toronto Western Hospital, Canada Foundation for Innovation, UNSW Sydney, Visioncare Research, American Academy of Optometry, Indiana University Bloomington, Eye Disease Foundation, University of Houston, Indiana University, Université de Montréal
ORCID: 0000-0003-0754-6500
Observed ORCID: 0000-0003-0754-6500
OpenAlex ID: A5053587697
The Relationship between Habitual Patient-Reported Symptoms and Clinical Signs among Patients with Dry Eye of Varying Severity
2003 · Carolyn G. Begley, Robin L. Chalmers, et al. · Investigative Ophthalmology & Visual Science · 426
A Patient Questionnaire Approach to Estimating the Prevalence of Dry Eye Symptoms in Patients Presenting to Optometric Practices across Canada
1997 · MICHAEL J. DOUGHTY, DESMOND FONN, et al. · Optometry and Vision Science · 355
A Link between Tear Instability and Hyperosmolarity in Dry Eye
2009 · Haixia Liu, Carolyn Begley, et al. · Investigative Ophthalmology & Visual Science · 319
Characterization of Ocular Surface Symptoms From Optometric Practices in North America
2001 · Carolyn G. Begley, Robin L. Chalmers, et al. · Cornea · 293
Psychometric Properties and Validation of the Standard Patient Evaluation of Eye Dryness Questionnaire
2013 · William Ngo, Ping Situ, et al. · Cornea · 286
The Relative Burden of Dry Eye in Patients’ Lives: Comparisons to a U.S. Normative Sample
2004 · Polyxane Mertzanis, Linda Abetz, et al. · Investigative Ophthalmology & Visual Science · 270
Precorneal and Pre- and Postlens Tear Film Thickness Measured Indirectly with Optical Coherence Tomography
2003 · Jianhua Wang, Desmond Fonn, et al. · Investigative Ophthalmology & Visual Science · 212
Diurnal Variation of Corneal Sensitivity and Thickness
2003 · Rènée du Toit, José A. Vega, et al. · Cornea · 197
Diurnal Variation of Corneal and Corneal Epithelial Thickness Measured Using Optical Coherence Tomography
2001 · Yunwei Feng, Jalazah Varikooty, et al. · Cornea · 186
Hydrogel Lens Dehydration and Subjective Comfort and Dryness Ratings in Symptomatic and Asymptomatic Contact Lens Wearers
1999 · DESMOND FONN, PING SITU, et al. · Optometry and Vision Science · 181
Corneal and Epithelial Thickness in Keratoconus: A Comparison of Ultrasonic Pachymetry, Orbscan II, and Optical Coherence Tomography
2006 · Sameena Haque, Trefford Simpson, et al. · Journal of Refractive Surgery · 143
Topographical Thickness of the Epithelium and Total Cornea after Overnight Wear of Reverse-Geometry Rigid Contact Lenses for Myopia Reduction
2003 · Jianhua Wang, Desmond Fonn, et al. · Investigative Ophthalmology & Visual Science · 136
Review and analysis of grading scales for ocular surface staining
2019 · Carolyn Begley, Barbara Caffery, et al. · The Ocular Surface · 120
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Corneal and Epithelial Thickness Changes After 4 Weeks of Overnight Corneal Refractive Therapy Lens Wear, Measured With Optical Coherence Tomography
2004 · Sameena Haque, Desmond Fonn, et al. · Eye & Contact Lens Science & Clinical Practice · 111
The Repeatability of Corneal and Corneal Epithelial Thickness Measurements Using Optical Coherence Tomography
2006 · Sokpheaktra Sin, Trefford L. Simpson · Optometry and Vision Science · 108
The measurement of corneal epithelial thickness in response to hypoxia using optical coherence tomography
2002 · Jianhua Wang, Desmond Fonn, et al. · American Journal of Ophthalmology · 104
Functional MRI of lateral occipitotemporal cortex during pursuit and motion perception
1996 · Jason J. S. Barton, Trefford Simpson, et al. · Annals of Neurology · 104
Thickness Mapping of the Cornea and Epithelium Using Optical Coherence Tomography
2008 · Sameena Haque, Lyndon Jones, et al. · Optometry and Vision Science · 103
Comparing the Discriminative Validity of Two Generic and One Disease-Specific Health-Related Quality of Life Measures in a Sample of Patients with Dry Eye
2005 · Krithika Rajagopalan, Linda Abetz, et al. · Value in Health · 103
Sympathetic swelling response of the control eye to soft lenses in the other eye.
1999 · D Fonn, R du Toit, et al. · PubMed · 103
Topographical Thickness of the Epithelium and Total Cornea After Hydrogel and Pmma Contact Lens Wear With Eye Closure.
2001 · Jianhua Wang, Desmond Fonn, et al. · Optometry and Vision Science · 102
Dry Eye Symptoms Assessed by Four Questionnaires
2008 · Trefford L. Simpson, Ping Situ, et al. · Optometry and Vision Science · 96
CANDEES. The Canadian Dry Eye Epidemiology Study.
1998 · B E Caffery, D Richter, et al. · PubMed · 95
Optical Coherence Tomography: An Introduction to the Technique and its Use
2000 · Patricia Hrynchak, Trefford Simpson · Optometry and Vision Science · 93
Tear Breakup Dynamics: A Technique for Quantifying Tear Film Instability
2006 · Carolyn G. Begley, Nikole Himebaugh, et al. · Optometry and Vision Science · 88
Works count: 312
Citation count: 8,211
H-index: 53
I10-index: 124
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