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    • Robert W Massof
    • Robert W Massof: Influence Statistics

      Robert W Massof

      Robert W Massof

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      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; email: bmassof@jhmi.edu. | Wilmer ...

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      Robert W Massof:Expert Impact

      Concepts for whichRobert W Massofhas direct influence:Low vision,Veterans affairs,Visual ability,United states,Visual acuity,Vision rehabilitation,Retinitis pigmentosa,Visual field loss.

      Robert W Massof:KOL impact

      Concepts related to the work of other authors for whichfor which Robert W Massof has influence:Low vision,Retinitis pigmentosa,Visual acuity,Lamina cribrosa,Macular degeneration,Optic nerve,Rasch analysis.

      KOL Resume for Robert W Massof

      Year
      2022

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; email:

      Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA

      2021

      Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Baltimore, Maryland, United States of America

      Department of Ophthalmology, Johns Hopkins University, Baltimore, MD USA

      Wilmer Eye Institute, School of Medicine, Johns Hopkins University, Baltimore, Maryland

      2020

      Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, Maryland.

      2019

      Johns Hopkins University School of Medicine, Baltimore, Maryland.

      2018

      The Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland, USA

      2017

      Ocular Surface Diseases and Dry Eye Clinic, The Wilmer Eye Institute, Johns Hopkins University, Baltimore, MD.

      Lions Vision Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA

      2016

      Johns Hopkins University, Baltimore, MD USA

      2015

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland

      2014

      The Lions Vision Research and Rehabilitation Center, The Johns Hopkins Medical Institute, Baltimore, Maryland

      Wilmer Eye Institute, Johns Hopkins University, 600 North Wolfe St. Maumenee B-110, Baltimore, MD 21287, USA

      2013

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, School of Medicine, Johns Hopkins University, Baltimore, Maryland

      PhD, FAAO

      Wilmer Eye Institute, Johns Hopkins University, 600 N. Wolfe St., Baltimore, MD, 21287, USA

      2012

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland (Drs Goldstein and Massof and Mr Deremeik)

      Johns Hopkins University School of Medicine, USA.

      2011

      Wilmer Eye Institute and Department of Ophthalmology, Baltimore, Md.

      2010

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, 6th Fl, 550N Broadway, Baltimore, MD 21205, United States

      Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.

      2008

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA

      Johns Hopkins Wilmer Eye Institute, Baltimore, Maryland (Dr Massof).

      2007

      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.

      Blind Rehabilitation Center, Edward Hines Veterans Affairs Hospital, Hines, Illinois (JAS), Illinois College of Optometry, Chicago, Illinois (JAS), Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, School of Medicine, Chicago, Illinois (JAS), and Johns Hopkins Wilmer Eye Institute, Baltimore, Maryland (RWM)

      Johns Hopkins Wilmer Eye Institute, Baltimore MD, USA

      2005

      Ophthalmology at Johns Hopkins University, Baltimore, MD, USA.

      Edward Hines VA Hospital, Hines, IL

      Lions Vision Research and Rehabilitation Center, Wilmer Ophthalmological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD.

      2004

      Lions Vision Research and Rehabilitation Center, Wilmer Ophthalmological Institute Johns Hopkins University School of Medicine Baltimore Maryland

      Wilmer Eye Institute, Johns Hopkins Hospital, 600 North Wolfe Street, Baltimore, MD 21287

      2003

      Lions Vision Research and Rehabilitation Center, Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland

      Sensory Engineering Laboratory, Wilmer Institute, Johns Hopkins University, Baltimore MD

      Dana Center for Preventive Ophthalmol

      2002

      Lions Vision Research and Rehabilitation Center, Wilmer Ophthalmological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.

      2001

      The Johns Hopkins University School of Medicine, Wilmer Eye Institute, Baltimore, MD, USA

      2000

      Harvard Medical School and Massachusetts General Hospital, Boston, Massachusetts

      Johns Hopkins Wilmer Eye Institute;

      1998

      AOF Ezell Fellow, Lions Vision Research and Rehabilitation Center, Wilmer Ophthalmological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland

      1997

      Ophthalmology and neuroscience, Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, The Johns Hopkins University School of Medicine, 550 North Broadway, 6th Floor, Baltimore, MD 21205

      1996

      Johns Hopkins Univ. Sch. of Med., Baltimore, MD, USA

      1995

      Member of Faculty, F.A.A.O., Lions Vision Research and Rehabilitation Center, Wilmer Institute, School of Medicine, The Johns Hopkins University, Baltimore, Maryland

      Lions Vision Center, Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, MD.

      1992

      *Member of Faculty,Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland †Member of Faculty,John C. Stennis Space Center, National Aeronautics and Space Administration, Stennis Space Center, Mississippi

      1991

      Lions Vision Research and Rehabilitation Center, The Wilmer Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA

      1989

      Wilmer Eye Institute, The Johns Hopkins University School of Medicine, 601 North Broadway, 21205, Baltimore, MD, USA

      1987

      Laboratory of Physiological Optics, Wilmer Eye Institute, B-27, Johns Hopkins University School of Medicine, 601 North Broadway, 21205, Baltimore, MD, USA

      1986

      Laboratory of Physiological Optics, Wilmer Ophthalmological Institute, The Johns Hopkins University School of Medicine, 21205, Baltimore, MD, USA

      1985

      Laboratory of Physiological Optics Wilmer Ophthalmological Institute The Johns Hopkins University School of Medicine Baltimore, Maryland 21205

      1983

      Glaucoma Service, Laboratory of Physiological Optics and Eye Pathology Laboratory, Wilmer Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland

      Wilmer Ophthalmological Institute, The Johns Hopkins University School of Medicine, 21205, Baltimore, MD, USA

      1981

      Wimer Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, U.S.A.

      Wilmer Institute, Johns Hopkins University School of Medicine, 601 N. Broadway, 21205, Baltimore, Maryland, USA

      1977

      Wilmer Ophthalmological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, U.S.A.

      1976

      Wilmer Ophthalmological Institute, School of Medicine, Johns Hopkins University, Baltimore, MD 21205,U.S.A.

      Southern California College of Optometry, Fullerton, CA 92631,U.S.A.

      1975

      School of Optometry Indiana University Bloomington, Indiana Wilmer Ophthalmological Institute Johns Hopkins University Baltimore, Maryland

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      Sample of concepts for which Robert W Massof is among the top experts in the world.
      Concept World rank
      visual function items #1
      lesions astrocytic hamartomas #1
      item measures rehabilitation #1
      inpatient blind #1
      code severity #1
      vision economics #1
      andrich model fit #1
      latent item variables #1
      lovit design #1
      meaningful competition #1
      psychophysical clinical findings #1
      loss cone sensitivity #1
      flash mechanisms #1
      location evt #1
      strategy patient preferences #1
      item veterans #1
      shape detection functions #1
      eq5d3l level #1
      28 lvr centers #1
      41 activity goals #1
      andrich rating #1
      lv rehabilitation #1
      popular vfqs #1
      domains visual #1
      iiq summed #1
      logits 0001 #1
      questionnaire vfq #1
      visual ability item #1
      284 low #1
      classification systems athletes #1
      visual function requirements #1
      advs vfq25 #1
      iiq rasch analysis #1
      protocols treatment program #1
      color brightness vision #1
      lv devices #1
      95 logits #1
      likert scores vfq #1
      whites americans #1
      baseline visual ability #1
      Sign-in to see all concepts, it's free!

      Prominent publications by Robert W Massof

      KOL-Index: 18936

      Importance: Updated estimates of the prevalence and incidence rates of low vision and blindness are needed to inform policy makers and develop plans to meet the future demands for low vision rehabilitation services.

      Objective: To provide updated estimates of the incidence and prevalence of low vision and blindness in the United States.

      Design, Setting, and Participants: Visual acuity measurements as a function of age from the 2007-2008 National Health and Nutrition Examination Survey, ...

      Known for United States | Low Vision | Visual Impairment | Prevalence Incidence | 18 Years
      KOL-Index: 15776

      OBJECTIVE: To evaluate the effectiveness of a low-vision rehabilitation program.

      METHODS: A multicenter randomized clinical trial was conducted from November 2004 to November 2006 with a 4-month follow-up. A total of 126 patients were included, 98% of whom were white and male. The patients were referred from eye or low-vision clinics and blind rehabilitation centers with a visual acuity in the better-seeing eye worse than 20/100 and better than 20/500 and were eligible for Veterans ...

      Known for Veterans Affairs | Low Vision | United States | Visual Function | 4 Months
      KOL-Index: 13697

      IMPORTANCE: Most patients with low vision are elderly and have functional limitations from other health problems that could add to the functional limitations caused by their visual impairments.

      OBJECTIVE: To identify factors that contribute to visual ability measures in patients who present for outpatient low vision rehabilitation (LVR) services.

      DESIGN, SETTING, AND PARTICIPANTS: As part of a prospective, observational study of new patients seeking outpatient LVR, 779 patients from 28 ...

      Known for Visual Ability | Low Vision | United States | Functional Domains | Reading Mobility
      KOL-Index: 13235

      PURPOSE: To evaluate the sensitivity to change, in patients who undergo vision rehabilitation, of the Veteran Affairs (VA) Low Vision Visual Functioning Questionnaire (LV VFQ-48), which was designed to measure the difficulty visually impaired persons have in performing daily activities and to evaluate vision rehabilitation outcomes.

      METHODS: Before and after rehabilitation, the VA LV VFQ-48 was administered by telephone interview to subjects from five sites in the VA and private sector. ...

      Known for Vision Rehabilitation | Veterans Affairs | Lv Vfq48 | Visual Functioning | Daily Activities
      KOL-Index: 12647

      OBJECTIVE: To determine if visual field (VF) loss resulting from glaucoma is associated with greater fear of falling.

      DESIGN: Prospective, observational study.

      PARTICIPANTS: Fear of falling was compared between 83 glaucoma subjects with bilateral VF loss and 60 control subjects with good visual acuity and without significant VF loss recruited from patients followed up for suspicion of glaucoma.

      METHODS: Participants completed the University of Illinois at Chicago Fear of Falling ...

      Known for Visual Field | Greater Fear | Vf Loss | Glaucoma Subjects | Illness Surveys
      KOL-Index: 11950

      PURPOSE: To describe psychometric properties of a self-report questionnaire, the Veterans Affairs (VA) Low-Vision Visual Functioning Questionnaire (LV VFQ-48), which was designed to measure the difficulty visually impaired persons have performing daily activities and to evaluate low-vision outcomes.

      METHODS: The VA LV VFQ-48 was administered by telephone interview to subjects with visual acuity ranging from near normal to total blindness at five sites in the VA and private sector. Rasch ...

      Known for Veterans Affairs | Psychometric Properties | Vision Visual | Lv Vfq48 | Daily Activities
      KOL-Index: 11477

      PURPOSE: The Activity Inventory (AI) is an adaptive visual function questionnaire that consists of 459 Tasks nested under 50 Goals that in turn are nested under three Objectives. Visually impaired patients are asked to rate the importance of each Goal, the difficulty of Goals that have at least some importance, and the difficulty of Tasks that serve Goals that have both some importance and some difficulty. Consequently, each patient responds to an individually tailored set of questions ...

      Known for Activity Inventory | Visual Function | Questionnaires Vision | Difficulty Goals | Reading Mobility
      KOL-Index: 10946

      OBJECTIVE: To characterize the traits of low vision patients who seek outpatient low vision rehabilitation (LVR) services in the United States.

      METHODS: In a prospective observational study, we enrolled 764 new low vision patients seeking outpatient LVR services from 28 clinical centers in the United States. Before their initial appointment, multiple questionnaires assessing daily living and vision, physical, psychological, and cognitive health states were administered by telephone. ...

      Known for United States | Vision Patients | Baseline Traits | Outpatient Clinical | Lvr Services
      KOL-Index: 10680

      Population-based vision screening studies of the prevalence rate of low vision and blindness in the U.S. are reviewed to evaluate the sources of disagreement among studies. The major reasons that studies disagree on prevalence rate estimates are differences in best-corrected visual acuity criteria for low vision and differences in the age range of the oldest age category. When corrections are made for these differences, the results of all prevalence rate studies, except the Mud Creek ...

      Known for Low Vision | Prevalence Incidence | Americans Age | Visual Acuity | Impaired Persons
      KOL-Index: 10468

      OBJECTIVE: To determine the prevalence and causes of low vision in a large sample of nursing home residents.

      METHODS: Twenty-eight nursing homes on the Eastern Shore of Maryland and Delaware were enrolled in a clinical trial to assess the impact of vision restoration/rehabilitation on nursing home residents. Visual acuity was measured using both recognition charts and preferential looking techniques. An ophthalmologist examined all residents with visual acuity worse than 20/40 in the ...

      Known for Low Vision | Nursing Homes | Visual Acuity | Betterseeing Eye | Clinical Trial
      KOL-Index: 10459

      Importance: Randomized clinical trials are needed to compare effectiveness and cost-effectiveness of different low-vision (LV) programs.

      Objective: To determine the value of adding LV rehabilitation with a therapist compared with LV services without intervention.

      Design, Setting, and Participants: A randomized clinical trial was conducted from September 27, 2010, to July 31, 2014, of 323 veterans with macular diseases and best-corrected distance visual acuity (BCDVAbetter-eye) of 20/50 ...

      Known for Lv Rehabilitation | Visual Ability | Low Vision | Veterans Affairs | Critical Print Size
      KOL-Index: 10073

      OBJECTIVES: To test the validity and reliability of measures of visual ability and to evaluate the relation between measurements made at the task level and measurements made at the goal level of a hierarchical model for visual disability.

      DESIGN: Validation of a telephone-administered functional assessment instrument using Rasch analysis on self-assessment ratings.

      SETTING: Telephone interviews of respondents in their homes.

      PARTICIPANTS: Consecutive series of 600 outpatients with low ...

      Known for Visual Disability | Vision Patients | Rasch Analysis | Measurement Validity Reliability | Goal Level
      KOL-Index: 9910

      OBJECTIVE: To evaluate the effectiveness of low-vision rehabilitation in 2 cohorts derived from the Veterans Affairs Low-Vision Intervention Trial.

      METHODS: In a prospective study, we observed 44 participants randomly assigned to outpatient low-vision rehabilitation who did not receive additional treatment after the trial ended at 4-month follow-up and 56 participants randomly assigned to the waiting-list control group and thereafter to standard therapy. The outcome measures included ...

      Known for Visual Ability | Veterans Affairs | Vision Rehabilitation | 4 Months | Outcome United
      KOL-Index: 9787

      OBJECTIVE: To test the validity and reliability of latent trait measures estimated from ratings by low-vision patients of the importance and difficulty of selected activity goals.

      DESIGN: Validation of a telephone-administered functional assessment instrument using Rasch analysis of self-assessment ratings.

      SETTING: Telephone interviews of respondents in their homes. Participants Consecutive series of 600 outpatients with low vision.

      INTERVENTIONS: Not applicable.

      MAIN OUTCOME MEASURES: ...

      Known for Difficulty Ratings | Visual Disability | Vision Patients | Measurement Validity Reliability | Rasch Analysis

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      Lions Vision Research and Rehabilitation Center, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; email: bmassof@jhmi.edu. | Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD,

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