John H. Kempen

ORCID: 0000-0002-2967-4792
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About
Contact & Profiles
Research Areas
  • Ocular Diseases and Behçet’s Syndrome
  • Retinal and Optic Conditions
  • Retinal Diseases and Treatments
  • Cytomegalovirus and herpesvirus research
  • Systemic Lupus Erythematosus Research
  • Retinal Imaging and Analysis
  • Ophthalmology and Visual Impairment Studies
  • Glaucoma and retinal disorders
  • Ocular Infections and Treatments
  • Vasculitis and related conditions
  • HIV Research and Treatment
  • Infectious Diseases and Tuberculosis
  • Intraocular Surgery and Lenses
  • Syphilis Diagnosis and Treatment
  • Cerebral Venous Sinus Thrombosis
  • Ocular Surface and Contact Lens
  • Otitis Media and Relapsing Polychondritis
  • Herpesvirus Infections and Treatments
  • Sarcoidosis and Beryllium Toxicity Research
  • Global Health Care Issues
  • Health Systems, Economic Evaluations, Quality of Life
  • Climate Change and Health Impacts
  • IgG4-Related and Inflammatory Diseases
  • HIV/AIDS Research and Interventions
  • Corneal surgery and disorders

Massachusetts Eye and Ear Infirmary
2017-2025

Harvard University
2017-2025

St. Paul's Hospital Millennium Medical College
2018-2025

Smith-Kettlewell Eye Research Institute
2020-2025

Harvard Global Health Institute
2024-2025

Addis Ababa University
2021-2025

W.K. Kellogg Foundation
2020-2025

University of Michigan
2020-2025

Eye Center
2018-2025

Bellevue Hospital Center
2022-2024

<h3>Objective</h3> To estimate the prevalence and distribution of age-related macular degeneration(AMD) in United States by age, race/ethnicity, gender. <h3>Methods</h3> Summary estimates drusen 125 µm or larger, neovascularAMD, geographic atrophy were prepared separately for black white personsin 5-year age intervals starting at 40 years. The estimated rates basedon a meta-analysis recent population-based studies States,Australia, Europe. These applied to 2000 US Census data andto projected...

10.1001/archopht.122.4.564 article EN Archives of Ophthalmology 2004-04-01

To estimate the cause-specific prevalence and distribution of blindness low vision in United States by age, race/ethnicity, gender, to change these figures over next 20 years.Summary estimates (both according US definition < or =6/60 [< =20/200] best-corrected visual acuity better-seeing eye World Health Organization standard 6/120 20/400]) (< 6/12 20/40] eye) were prepared separately for black, Hispanic, white persons 5-year age intervals starting at 40 years. The estimated prevalences...

10.1001/archopht.122.4.477 article EN Archives of Ophthalmology 2004-04-01

Objective: To determine the prevalence of diabetic retinopathy among adults 40 years and older in United States.Methods: Pooled analysis data from 8 populationbased eye surveys was used to estimate prevalence, persons with diabetes mellitus (DM), vision-threatening retinopathy-defined as proliferative or severe nonproliferative and/or macular edema.Within strata age, race/ethnicity, gender, US rates were estimated by multiplying these values DM reported 1999 National Health Interview Survey...

10.1001/archopht.122.4.552 article EN Archives of Ophthalmology 2004-04-01

<h3>Objective</h3> To estimate the prevalence of refractive errors in persons 40 yearsand older. <h3>Methods</h3> Counts with phakic eyes and without spherical equivalentrefractive error worse eye +3 diopters (D) or greater, −1D less, −5 D less were obtained from population-based eyesurveys strata gender, race/ethnicity, 5-year age intervals. Pooledage-, gender-, race/ethnicity–specific rates for each refractiveerror applied to corresponding stratum-specific US, Western European,and...

10.1001/archopht.122.4.495 article EN Archives of Ophthalmology 2004-04-01

Objectives: To determine the prevalence of cataract and pseudophakia/aphakia in United States to project expected change these figures by 2020.Methods: Summary estimates were prepared separately for black, white, Hispanic persons (for whom only surgery data available) 5-year age intervals starting at 40 years women men.The based on a standardized definition various types cataract: cortical, greater than 25% lens involved; posterior subcapsular, present according grading system used each...

10.1001/archopht.122.4.487 article EN Archives of Ophthalmology 2004-04-01
Andrew D. Dick James T. Rosenbaum Hassan Al-Dhibi Rubens Belfort Antoine P. Brézin and 95 more Soon‐Phaik Chee Janet L. Davis Athimalaipet V Ramanan Koh‐Hei Sonoda Ester Carreño Heloísa Nascimento S. Ben Salah Sherveen Salek Jay Siak Laura R Steeples Massimo Accorinti Nisha R. Acharya Alfredo Adán Rupesh Agrawal Nurullah Akkoç Saed Al Ghamdi Turki Al Ghamdi Anood Al Saati Nasser Alsabaani Mohamed Al-Shamarani Artur Bachta Talin Barisani‐Asenbauer Nicholas A. V. Beare Fernanda Belga Ottoni Porto Ricardo Blanco Anita Chan Sook Yee Vinod Chandran Christophe Chiquet Hiok Hee Chng Andrius Cimbalas Luca Cimino Miguel Cordero‐Coma C. Blanco Cristóbal Miguel Cuevas João Eurico da Fonseca Joke de Boer Alejandra de‐la‐Torre Ilse De Schryver Larissa Derzko-Dzulynsky David Díaz‐Valle Claudia Eugenia Duran Merino Andrea Facskó Luís Fígueira Alejandro Fonollosa Éric Fortin Richard Gale Mauro Galeazzi Sandra García José María García Ruiz de Morales Nataša Gašperšič Debra A. Goldstein Marta Guedes Yan Guex‐Crosier Ahmet Gül Rola N. Hamam Muhammad Haroon Kenichi Hasegawa Arnd Heiligenhaus Claire Hooper Yih‐Shiou Hwang De‐Kuang Hwang Xavier Juanola Toshikatsu Kaburaki Sibel Kadayıfçılar John H. Kempen Takeshi Kezuka Amin Kherani Maarja Kirsimäe Kaisu Kotaniemi Aleksandra Kraut Agnieszka Kubicka‐Trząska Lucia Kuffová Susan Lightman Lyndell L. Lim Wee Kiak Lim Peter McCluskey Mairide McGuire Pierfrancesco Mirabelli Elisabetta Miserocchi Marta Misiuk‐Hojło Cristina Muccioli Santiago León Atehortúa Muñoz Conor C. Murphy Philip I. Murray Zoltán Zsolt Nagy Kenichi Namba Piergiorgio Neri Quan Dong Nguyen Donncha O’Gradaigh Mohammed A. Omair Kati Otsa Yılmaz Özyazgan Franco Pablo Maria Pia Paroli Uwe Pleyer

An international, expert-led consensus initiative to develop systematic, evidence-based recommendations for the treatment of noninfectious uveitis in era biologics.The availability biologic agents human eye disease has altered practice patterns management uveitis. Current guidelines are insufficient assure optimal use noncorticosteroid systemic immunomodulatory agents.An international expert steering committee comprising 9 specialists (including both ophthalmologists and rheumatologists)...

10.1016/j.ophtha.2017.11.017 article EN cc-by-nc-nd Ophthalmology 2018-01-06

Objectives: To assess the economic impact of excess medical and informal care health utility loss associated with visual impairment blindness in adults aged 40 years older United States.Methods: Medical Expenditure Panel Survey data from 1996 to 2002 were pooled estimate relationship total expenditures, components days received, utility.Estimates accounting for complex sampling design based on regressions including confounders such as comorbidities demographics.The aggregate was estimated by...

10.1001/archopht.125.4.544 article EN Archives of Ophthalmology 2007-04-01

<b>Context</b> Whether immunosuppressive treatment adversely affects survival is unclear. <b>Objective</b> To assess whether drugs increase mortality. <b>Design</b> Retrospective cohort study evaluating overall and cancer mortality in relation to drug exposure among patients with ocular inflammatory diseases. Demographic, clinical, data derived from medical records, results United States National Death Index linkage. The cohort’s risk was compared US vital statistics using standardised...

10.1136/bmj.b2480 article EN cc-by-nc BMJ 2009-07-03

10.1016/j.ajo.2010.08.047 article EN American Journal of Ophthalmology 2010-12-15
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