Brian Toy, MD

Assistant Professor of Clinical Ophthalmology

Director of Clinical Informatics and Information Technology

Service Chief of the Uveitis and Ocular Inflammation Service

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Overview

Brian Toy, MD, is a vitreoretinal fellow and clinical instructor at the USC Roski Eye Institute. He graduated magna cum laude from the University of California, Berkeley, with a degree in bioengineering, received an MD with distinction from the University of California, San Francisco, and completed a clinical research fellowship at the National Institutes of Health. He completed an internship at Santa Clara Valley Medical Center, a major county healthcare system in the Bay Area, and then completed an ophthalmology residency at Stanford University. Toy’s professional interests include retinal imaging, telemedicine and safety net care, particularly as applied to diabetic retinopathy. Outside of work, he enjoys hiking, skiing, and spending time with friends and family.

Publications

  • Practice Patterns and Sociodemographic Disparities in the Clinical Care of Anatomical Narrow Angles in the United States Am J Ophthalmol. 2024 Jan 11. . View in PubMed
  • Implementation of a pilot teleretinal screening protocol for hydroxychloroquine retinopathy in a Los Angeles County safety net clinic J Telemed Telecare. 2023 Sep; 29(8):648-656. . View in PubMed
  • Infectious Uveitis: Conversations with the Experts Ocul Immunol Inflamm. 2023 Sep; 31(7):1333-1341. . View in PubMed
  • A case of herpes simplex virus and cytomegalovirus retinitis coinfection Retin Cases Brief Rep. 2023 Mar 27. . View in PubMed
  • PURTSCHER-LIKE RETINOPATHY ASSOCIATED WITH ATYPICAL HEMOLYTIC UREMIC SYNDROME: CASE REPORT AND REVIEW OF OUTCOMES Retin Cases Brief Rep. 2023 Mar 01; 17(2):154-159. . View in PubMed
  • Rates and Patterns of Diagnostic Conversion from Anatomical Narrow Angle to Primary Angle-Closure Glaucoma in the United States Ophthalmol Glaucoma. 2023 Mar-Apr; 6(2):169-176. . View in PubMed
  • Mitigating Hydroxychloroquine Toxicity with a Clinical Decision Support Tool Ophthalmology. 2023 08; 130(8):874-876. . View in PubMed
  • Racial and Sociodemographic Disparities in the Detection of Narrow Angles before Detection of Primary Angle-Closure Glaucoma in the United States Ophthalmol Glaucoma. 2022 Jul-Aug; 5(4):388-395. . View in PubMed
  • A Smartphone-Based Near-Vision Testing System: Design, Accuracy, and Reproducibility Compared With Standard Clinical Measures Ophthalmic Surg Lasers Imaging Retina. 2022 02; 53(2):79-84. . View in PubMed
  • Response to Comment on Gange et alIncidence of Proliferative Diabetic Retinopathy and Other Neovascular Sequelae at 5 Years Following Diagnosis of Type 2 Diabetes. Diabetes Care 2021;44:2518-2526. Diabetes Care. 2022 03 01; 45(3):e61-e62. . View in PubMed
  • Comparison of Telemedicine Screening of Diabetic Retinopathy by Mydriatic Smartphone-Based vs Nonmydriatic Tabletop Camera-Based Fundus Imaging J Vitreoretin Dis. 2021 May; 5(3):199-207. . View in PubMed
  • Incidence of Proliferative Diabetic Retinopathy and Other Neovascular Sequelae at 5 Years Following Diagnosis of Type 2 Diabetes Diabetes Care. 2021 11; 44(11):2518-2526. . View in PubMed
  • Rates of Eye Care and Diabetic Eye Disease among Insured Patients with Newly Diagnosed Type 2 Diabetes Ophthalmol Retina. 2021 02; 5(2):160-168. . View in PubMed
  • Big Data-Based Epidemiology of Uveitis and Related Intraocular Inflammation Asia Pac J Ophthalmol (Phila). 2021 Jan-Feb 01; 10(1):60-62. . View in PubMed
  • Quantifying Subclinical and Longitudinal Microvascular Changes Following Episcleral Plaque Brachytherapy Using Spectral Domain-Optical Coherence Tomography Angiography J Vitreoretin Dis. 2020 Nov; 4(6):499-508. . View in PubMed
  • Multimodal imaging reveals pathological edges of disease activity in tuberculosis-associated multifocal serpiginoid chorioiditis Am J Ophthalmol Case Rep. 2020 Sep; 19:100766. . View in PubMed
  • Retinal capillary hemangioblastomatosis and renal tumor in Von Hippel-Lindau disease Am J Ophthalmol Case Rep. 2020 Jun; 18:100718. . View in PubMed
  • Interleukins and cytokine biomarkers in uveitis Indian J Ophthalmol. 2020 09; 68(9):1750-1763. . View in PubMed
  • Assessment of Eye Disease and Visual Impairment in the Nursing Home Population Using Mobile Health Technology Ophthalmic Surg Lasers Imaging Retina. 2020 05 01; 51(5):262-270. . View in PubMed
  • Incidence, prevalence, and risk factors of infectious uveitis and scleritis in the United States: A claims-based analysis PLoS One. 2020; 15(8):e0237995. . View in PubMed
  • Astigmatic outcomes in myopic wavefront-guided laser in situ keratomileusis versus wavefront-guided photorefractive keratectomy using vector analysis J Cataract Refract Surg. 2018 Nov; 44(11):1350-1354. . View in PubMed
  • Vector Analysis of 1-Year Astigmatic Outcomes From a Randomized Fellow Eye Comparison of Photorefractive Keratectomy Using 2 Excimer Laser Platforms Eye Contact Lens. 2018 Sep; 44 Suppl 1:S71-S76. . View in PubMed
  • Reply Retina. 2017 06; 37(6):e77. . View in PubMed
  • Reply Ophthalmology. 2017 06; 124(6):e53. . View in PubMed
  • POLYPOIDAL CHOROIDAL VASCULOPATHY: A CLINICOPATHOLOGIC STUDY Retin Cases Brief Rep. 2017 Winter; 11 Suppl 1:S128-S131. . View in PubMed
  • Factors Affecting Ophthalmology Trainees to Pursue Vitreoretinal Surgery Fellowship J Acad Ophthalmol (2017). 2022 Jan; 14(1):e110-e119. . View in PubMed
  • SMARTPHONE-BASED DILATED FUNDUS PHOTOGRAPHY AND NEAR VISUAL ACUITY TESTING AS INEXPENSIVE SCREENING TOOLS TO DETECT REFERRAL WARRANTED DIABETIC EYE DISEASE Retina. 2016 May; 36(5):1000-8. . View in PubMed
  • Chronic Vascular Arrest as a Predictor of Bevacizumab Treatment Failure in Retinopathy of Prematurity Ophthalmology. 2016 10; 123(10):2166-75. . View in PubMed
  • Non-Mydriatic Fundus Camera Screening for Referral-Warranted Diabetic Retinopathy in a Northern California Safety-Net Setting Ophthalmic Surg Lasers Imaging Retina. 2016 07 01; 47(7):636-42. . View in PubMed
  • Vector analysis of 1-year astigmatic outcomes from a prospective, randomized, fellow eye comparison of wavefront-guided and wavefront-optimized LASIK in myopes J Refract Surg. 2015 May; 31(5):322-7. . View in PubMed
  • Effect of ranibizumab on high-speed indocyanine green angiography and minimum intensity projection optical coherence tomography findings in neovascular age-related macular degeneration Retina. 2015 Jan; 35(1):58-68. . View in PubMed
  • Assessment of HBV preventive services in a medically underserved Asian and Pacific Islander population using provider and patient data J Gen Intern Med. 2015 Jan; 30(1):68-74. . View in PubMed
  • Hepatitis B management in vulnerable populations: gaps in disease monitoring and opportunities for improved care Dig Dis Sci. 2014 Jan; 59(1):46-56. . View in PubMed
  • Drusen regression is associated with local changes in fundus autofluorescence in intermediate age-related macular degenerationAm J Ophthalmol. 2013 Sep; 156(3):532-542. e1. . View in PubMed
  • Prevalence and progression of pigment clumping associated with idiopathic macular telangiectasia type 2 Retina. 2013 Apr; 33(4):762-70. . View in PubMed
  • Longitudinal analysis of retinal hemangioblastomatosis and visual function in ocular von Hippel-Lindau disease Ophthalmology. 2012 Dec; 119(12):2622-30. . View in PubMed
  • Identification of rat ventral tegmental area GABAergic neurons PLoS One. 2012; 7(7):e42365. . View in PubMed
  • A model for interprofessional health disparities education: student-led curriculum on chronic hepatitis B infection J Gen Intern Med. 2010 May; 25 Suppl 2:S140-5. . View in PubMed
  • Delays in neural processing during working memory encoding in normal aging Neuropsychologia. 2010 Jan; 48(1):13-25. . View in PubMed