N T Congdon

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. ncbi The effect of pantethine and ultraviolet-B radiation on the development of lenticular opacity in the emory mouse
    N T Congdon
    Johns Hopkins University, Dana Center for Preventive Ophthalmology, Baltimore, MD 21205, USA
    Curr Eye Res 20:17-24. 2000
  2. ncbi Prevalence of cataract and pseudophakia/aphakia among adults in the United States
    Nathan Congdon
    Wilmer Eye Institute, Wilmer 120, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Arch Ophthalmol 122:487-94. 2004
  3. ncbi Causes and prevalence of visual impairment among adults in the United States
    Nathan Congdon
    Wilmer Eye Institute, Wilmer 120, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Arch Ophthalmol 122:477-85. 2004
  4. ncbi Central corneal thickness and corneal hysteresis associated with glaucoma damage
    Nathan G Congdon
    Wilmer Eye Institute, Johns Hopkins University School of Medicine, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Am J Ophthalmol 141:868-75. 2006
  5. ncbi Important causes of visual impairment in the world today
    Nathan G Congdon
    Dana Center for Preventive Ophthalmology, Johns Hopkins University Schools of Medicine and Public Health, Baltimore, MD, USA
    JAMA 290:2057-60. 2003
  6. ncbi Cortical, but not posterior subcapsular, cataract shows significant familial aggregation in an older population after adjustment for possible shared environmental factors
    Nathan Congdon
    The Johns Hopkins University Schools of Medicine and Public Health, Baltimore, Maryland, USA
    Ophthalmology 112:73-7. 2005
  7. ncbi Angle-closure glaucoma: impact, etiology, diagnosis, and treatment
    Nathan G Congdon
    Department of Opthalmology, John Hopkins University Schools of Medicine and Public Health, Baltimore, Maryland, USA
    Curr Opin Ophthalmol 14:70-3. 2003
  8. ncbi Biometric gonioscopy and the effects of age, race, and sex on the anterior chamber angle
    N G Congdon
    Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Br J Ophthalmol 86:18-22. 2002
  9. ncbi Prevalence of the different types of age-related cataract in an African population
    N Congdon
    Dana Center for Preventive Ophthalmology, Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    Invest Ophthalmol Vis Sci 42:2478-82. 2001
  10. ncbi Nutrition and the eye
    N G Congdon
    Dana Center for Preventive Ophthalmology, Baltimore, Maryland, USA
    Curr Opin Ophthalmol 10:464-73. 1999

Research Grants

  1. GENETICS OF AGED RELATED CATARACTS IN SALISBURY MARYLAND
    Nathan Congdon; Fiscal Year: 2002

Collaborators

Detail Information

Publications31

  1. ncbi The effect of pantethine and ultraviolet-B radiation on the development of lenticular opacity in the emory mouse
    N T Congdon
    Johns Hopkins University, Dana Center for Preventive Ophthalmology, Baltimore, MD 21205, USA
    Curr Eye Res 20:17-24. 2000
    ..We studied the effect of treatment with D-pantethine and exposure to ultraviolet-B (UVB) radiation on the development of lenticular opacity in the Emory mouse...
  2. ncbi Prevalence of cataract and pseudophakia/aphakia among adults in the United States
    Nathan Congdon
    Wilmer Eye Institute, Wilmer 120, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Arch Ophthalmol 122:487-94. 2004
    ..To determine the prevalence of cataract and pseudophakia/aphakia in the United States and to project the expected change in these prevalence figures by 2020...
  3. ncbi Causes and prevalence of visual impairment among adults in the United States
    Nathan Congdon
    Wilmer Eye Institute, Wilmer 120, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Arch Ophthalmol 122:477-85. 2004
    ..To estimate the cause-specific prevalence and distribution of blindness and low vision in the United States by age, race/ethnicity, and gender, and to estimate the change in these prevalence figures over the next 20 years...
  4. ncbi Central corneal thickness and corneal hysteresis associated with glaucoma damage
    Nathan G Congdon
    Wilmer Eye Institute, Johns Hopkins University School of Medicine, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Am J Ophthalmol 141:868-75. 2006
    ..We sought to measure the impact of central corneal thickness (CCT), a possible risk factor for glaucoma damage, and corneal hysteresis, a proposed measure of corneal resistance to deformation, on various indicators of glaucoma damage...
  5. ncbi Important causes of visual impairment in the world today
    Nathan G Congdon
    Dana Center for Preventive Ophthalmology, Johns Hopkins University Schools of Medicine and Public Health, Baltimore, MD, USA
    JAMA 290:2057-60. 2003
  6. ncbi Cortical, but not posterior subcapsular, cataract shows significant familial aggregation in an older population after adjustment for possible shared environmental factors
    Nathan Congdon
    The Johns Hopkins University Schools of Medicine and Public Health, Baltimore, Maryland, USA
    Ophthalmology 112:73-7. 2005
    ..To quantify the risk for age-related cortical cataract and posterior subcapsular cataract (PSC) associated with having an affected sibling after adjusting for known environmental and personal risk factors...
  7. ncbi Angle-closure glaucoma: impact, etiology, diagnosis, and treatment
    Nathan G Congdon
    Department of Opthalmology, John Hopkins University Schools of Medicine and Public Health, Baltimore, Maryland, USA
    Curr Opin Ophthalmol 14:70-3. 2003
    ....
  8. ncbi Biometric gonioscopy and the effects of age, race, and sex on the anterior chamber angle
    N G Congdon
    Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Br J Ophthalmol 86:18-22. 2002
    ..To utilise a novel method for making measurements in the anterior chamber in order to compare the anterior chamber angles of people of European, African, and east Asian descent aged 40 years and over...
  9. ncbi Prevalence of the different types of age-related cataract in an African population
    N Congdon
    Dana Center for Preventive Ophthalmology, Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    Invest Ophthalmol Vis Sci 42:2478-82. 2001
    ..To describe the prevalence of different types of cataract and their association with visual acuity in a Tanzanian population aged 40 years and older...
  10. ncbi Nutrition and the eye
    N G Congdon
    Dana Center for Preventive Ophthalmology, Baltimore, Maryland, USA
    Curr Opin Ophthalmol 10:464-73. 1999
    ....
  11. ncbi Gaze behavior of the visually impaired during street crossing
    Duane R Geruschat
    The Maryland School for the Blind, Baltimore, MD, USA
    Optom Vis Sci 83:550-8. 2006
    ..This study explored the gaze patterns of fully sighted and visually impaired subjects during the high-risk activity of crossing the street...
  12. ncbi The surgical management of cataract: barriers, best practices and outcomes
    Margaret A Chang
    The Johns Hopkins University Schools of Medicine and Public Health, 600 N Wolfe Street, Wilmer 120, Baltimore, MD 21287, USA
    Int Ophthalmol 28:247-60. 2008
    ..Information about the true cost of surgery, including costs of surgeon training, equipment, and patient outreach programs, is needed so that the goal of self-sustaining programs may be obtained...
  13. ncbi Influence of corneal structure, corneal responsiveness, and other ocular parameters on tonometric measurement of intraocular pressure
    Aimee Teo Broman
    Dana Center for Preventive Ophthalmology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
    J Glaucoma 16:581-8. 2007
    ....
  14. ncbi Corneal structure and biomechanics: impact on the diagnosis and management of glaucoma
    Kimberly E Brown
    Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland 21287, USA
    Curr Opin Ophthalmol 17:338-43. 2006
    ..Highlights recent studies relating to the impact of corneal structure and biomechanical properties on glaucoma evaluation and management...
  15. ncbi Possible mechanisms of primary angle-closure and malignant glaucoma
    Harry A Quigley
    Glaucoma Service and the Dana Center for Preventive Ophthamology, Wilmer Ophthamological Institute, John Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Glaucoma 12:167-80. 2003
  16. ncbi Rapid, objective detection of cataract-induced blur using a bull's eye photodetector
    Kevin J Nusz
    Krieger Children's Eye Center at The Wilmer Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Cataract Refract Surg 31:763-70. 2005
    ..25, P=.06). CONCLUSIONS: Improvement in FDS outcome measures correlated with cataract severity and improvement in visual acuity. This objective approach may be useful in long-term studies of cataract progression...
  17. ncbi Determinants and heritability of intraocular pressure and cup-to-disc ratio in a defined older population
    Ta C Chang
    Dana Center for Preventive Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Ophthalmology 112:1186-91. 2005
    ..004). CONCLUSIONS: In this elderly population, we found CDR to be highly heritable and IOP to be moderately heritable. On average, siblings of glaucoma patients had higher IOPs and larger CDRs than siblings of nonglaucomatous probands...
  18. ncbi Keratoprosthesis in high-risk pediatric corneal transplantation: first 2 cases
    Paul J Botelho
    Ocular Surface and Dry Eye Clinic, The Wilmer Eye Institute, 600 N. Wolfe Street, Baltimore, MD 21287-9238, USA
    Arch Ophthalmol 124:1356-7. 2006
  19. ncbi Validity of a personal and family history of cataract and cataract surgery in genetic studies
    Heidi Bowie
    Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    Invest Ophthalmol Vis Sci 44:2905-8. 2003
    ..CONCLUSIONS: Whereas accurate self and family histories for cataract surgery may be obtainable, it is difficult to ascertain cataract status accurately from history alone...
  20. ncbi Physiologic indicators of vitamin A status
    Nathan G Congdon
    The Dana Center for Preventive Ophthalmology, The Johns Hopkins University Schools of Medicine and Public Health, Baltimore, Maryland, USA
    J Nutr 132:2889S-2894S. 2002
    ..Given its low cost, noninvasive nature, and lack of the need to transport samples, pupillary dark adaptation offers advantages over other techniques for assessing a population's vitamin A status...
  21. ncbi The association between myopia and various subtypes of lens opacity: SEE (Salisbury Eye Evaluation) project
    Margaret A Chang
    Wilmer Eye Institute and the Dana Center for Preventive Ophthalmology, Johns Hopkins University Schools of Medicine and Public Health, Baltimore, Maryland 21287, USA
    Ophthalmology 112:1395-401. 2005
    ..Measures of association between posterior subcapsular opacity and myopia were stronger in the current study than have previously been found. Longitudinal studies to confirm the association are warranted...
  22. ncbi The prevalence of refractive errors among adults in the United States, Western Europe, and Australia
    John H Kempen
    Johns Hopkins University School of Medicine, 550 N. Broadway, Suite 700, Baltimore, MD 21205, USA
    Arch Ophthalmol 122:495-505. 2004
    ..Projected prevalence rates in 2020 were similar. CONCLUSIONS: Refractive errors affect approximately one third of persons 40 years or older in the United States and Western Europe, and one fifth of Australians in this age group...
  23. ncbi Correction of moderate myopia is associated with improvement in self-reported visual functioning among Mexican school-aged children
    Paul Esteso
    Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Invest Ophthalmol Vis Sci 48:4949-54. 2007
    ..To quantify the impact on self-reported visual functioning of spectacle provision for school-aged children in Oaxaca, Mexico...
  24. ncbi Distribution and visual impact of postoperative refractive error after cataract surgery in rural China: study of cataract outcomes and up-take of services report 4
    Zhongxia Zhou
    Joint Shantou International Eye Center, Shantou University and Chinese University of Hong Kong, Shantou, Guangdong, China
    J Cataract Refract Surg 33:2083-90. 2007
    ..To model the possible impact of using average-power intraocular lenses (IOLs) and evaluate the postoperative refractive error in patients having cataract surgery in rural China...
  25. ncbi Ocular comorbidities among cataract-operated patients in rural China: the caring is hip Study of Cataract Outcomes and Uptake of Services (SCOUTS), report No. 3
    Yingpeng Liu
    Joint Shantou International Eye Center of Shantou University and Chinese University of Hong Kong, Shantou, China
    Ophthalmology 114:e47-52. 2007
    ..To determine the prevalence and impact on vision and visual function of ocular comorbidities in a rural Chinese cataract surgical program, and to devise strategies to reduce their associated burden...
  26. ncbi Visual outcomes and astigmatism after sutureless, manual cataract extraction in rural China: study of cataract outcomes and up-take of services (SCOUTS) in the caring is hip project, report 1
    Dennis S C Lam
    Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
    Arch Ophthalmol 125:1539-44. 2007
    ..To study the visual acuity and astigmatism of persons undergoing cataract extraction by local surgeons in rural China...
  27. ncbi Determinants of pediatric cataract program outcomes and follow-up in a large series in Mexico
    Nathan G Congdon
    Department of Ophthalmology and Visual Science, Chinese University of Hong Kong, Kowloon, Hong Kong, People s Republic of China
    J Cataract Refract Surg 33:1775-80. 2007
    ..To report determinants of outcomes and follow-up in a large Mexican pediatric cataract project...
  28. ncbi Targeting relatives of patients with primary open angle glaucoma: the help the family glaucoma project
    Constance Nduaguba Okeke
    Scheie Eye Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
    J Glaucoma 16:549-55. 2007
    ..To assess the knowledge of patients with open angle glaucoma (OAG) and their family members about OAG risk factors and to study the referral of family members for eye examinations...
  29. ncbi Potential public health impact of Age-Related Eye Disease Study results: AREDS report no. 11
    Neil M Bressler
    Arch Ophthalmol 121:1621-4. 2003
    ..CONCLUSION: If people at high risk for advanced AMD received supplements such as those suggested by AREDS results, the potential impact on public health in the United States would be considerable during the next 5 years...
  30. ncbi Visual function and postoperative care after cataract surgery in rural China: study of cataract outcomes and up-take of services (SCOUTS) in the caring is hip project, report 2
    Nathan G Congdon
    Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital 3 F, 147K Argyle St, Kowloon, Hong Kong, China
    Arch Ophthalmol 125:1546-52. 2007
    ..To study the postoperative visual function and uptake of refraction and second-eye surgery among persons undergoing cataract surgery in rural China...
  31. ncbi The association between refractive cutoffs for spectacle provision and visual improvement among school-aged children in South Africa
    Nathan G Congdon
    Chinese University of Hong Kong, Department of Ophthalmology and Visual Sciences, Hong Kong Eye Hospital 3 F, 147K Argyle St, Kowloon, Hong Kong SAR
    Br J Ophthalmol 92:13-8. 2008
    ..To evaluate different refractive cutoffs for spectacle provision with regards to their impact on visual improvement and spectacle compliance...

Research Grants3

  1. GENETICS OF AGED RELATED CATARACTS IN SALISBURY MARYLAND
    Nathan Congdon; Fiscal Year: 2002
    ....