• Room 02.021 - Clinical Science B

    United Kingdom

Accepting PhD Students

PhD projects

Professor Cogdon is interested in PhD applications in the fields of: - Strategies to correct and prevent myopia among children in low-resources areas of LMICs - Measuring early outcomes in cataract surgery in under served areas - Improved care for complex diseases such as glaucoma and diabetic eye disease in rural Asia

1991 …2020

Research output per year

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Research Output

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Article
2020

A Randomized Noninferiority Trial of Wearing Adjustable Glasses versus Standard and Ready-made Spectacles among Chinese School children

Wang, C. Y., Zhang, G., Tang, B., Jin, L., Huang, W., Wang, X., Chen, T., Xiao, B., Zhu, W., Wang, J., Zhou, Z., Tang, Z., Liang, Y., Crescioni, M., Wilson, D., McAneney, H., Silver, J. D., Moore, B. & Congdon, N., Jan 2020, In : Ophthalmology. 127, 1, p. 27-37 11 p.

Research output: Contribution to journalArticle

2019

Association of visual acuity with educational outcomes: a prospective cohort study

Jan, C., Li, S-M., Kang, M-T., Liu, L., Li, H., Jin, L., Qin, X., Congdon, N. & Wang, N., 18 Jan 2019, In : British Journal of Ophthalmology.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
160 Downloads (Pure)

Cost-effectiveness and cost-utility of population-based glaucoma screening in China a decision-analytic Markov model

Tang, J., Liang, Y., O'Neill, C., Kee, F., Jiang, J. & Congdon, N., 01 Jul 2019, In : The Lancet Global Health. 7, 7, p. e968-e978

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
109 Downloads (Pure)

Impact of various types of near work and time spent outdoors at different times of day on visual acuity and refractive error among Chinese school-going children

Guan, H., Yu, N. N., Wang, H., Boswell, M., Shi, Y., Rozelle, S. & Congdon, N., 26 Apr 2019, In : PLoS ONE. 14, 4, 13 p., e0215827.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
100 Downloads (Pure)

Improving the practice of cataract surgical outcome measurement

Congdon, N., Dodson, S., Chan, V. F., Mathenge, W. & Moo, E., 11 Feb 2019, In : Community Eye Health. 31, 104, p. 91-92 2 p.

Research output: Contribution to journalArticle

Open Access
File
33 Downloads (Pure)

Influence of presbyopia on smartphone usage among Chinese adults: a population study

Wang, C., Wang, X., Jin, L., Tang, B., Zhu, W., Zhang, G., Chen, T., McAneney, H., Kassalow, J. & Congdon, N., 21 Oct 2019, In : Clinical and Experimental Ophthalmology. 47, 7, p. 909-917

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
4 Downloads (Pure)

Low-dose (0.01%) atropine eye-drops to reduce progression of myopia in children: a multicentre placebo-controlled randomised trial in the UK (CHAMP-UK) - study protocol

Azuara-Blanco, A., Logan, N., Strang, N., Saunders, K., Allen, P. M., Weir, R., Doherty, P., Adams, C., Gardner, E., Hogg, R., McFarland, M., Preston, J., Verghis, R., Loughman, J. J., Flitcroft, I., Mackey, D. A., Lee, S. S. Y., Hammond, C., Congdon, N. & Clarke, M., 25 Oct 2019, In : British Journal of Ophthalmology. 6 p., 314819.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Population prevalence of myopia, glasses wear and free glasses acceptance among minority versus Han schoolchildren in China

Hu, M., Zhou, Y., Huang, S., Congdon, N., Jin, L., Wang, X., Hogg, R., Zhang, H., Cun, Y., Yang, L., Li, X. & Liang, C., 18 Apr 2019, In : PLoS ONE. 14, 4, 12 p., e0215660.

Research output: Contribution to journalArticle

Open Access
File
10 Downloads (Pure)
2018

Accuracy of trained rural ophthalmologists versus non-medical image graders in the diagnosis of diabetic retinopathy in rural China.

McKenna, M., Chen, T., McAneney, H., Angel Vazquez Membrillo, M., Jin, L., Xiao, W., Peto, T., He, M., Hogg, R. & Congdon, N., 22 Oct 2018, In : British Journal of Ophthalmology. 102, 11, p. 1471-1476 6 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
258 Downloads (Pure)

A Mobile Phone Informational Reminder to Improve Eyecare Adherence among Diabetic Patient in Rural China: A Randomized Controlled Trial

Chen, T., Zhu, W., Tang, B., Jin, L., Fu, H., Chen, Y., Wang, C., Zhang, G., Wang, J., Ye, T., Xiao, D., Vignarajan, J., Xiao, B., Kanagasingam, Y. & Congdon, N., 24 Jul 2018, In : American Journal of Ophthalmology. p. 1-25

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
123 Downloads (Pure)

Barriers, Costs, and Attitudes Toward Pediatric Cataract Surgery at Two Large Facilities in China and India

Wang, J., Jin, L., Lu, Q., Borah, R. R., Ali, R., Li, J., Chakraborti, C., Kumar, M., Pan, J., Gilbert, C. & Congdon, N., 24 Aug 2018, In : Ophthalmic Epidemiology. p. 1-8

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
80 Downloads (Pure)

Chinese national policy initiative for the management of childhood myopia

Jan, C. L. & Congdon, N., 01 Dec 2018, In : The Lancet. Child & adolescent health. 2, 12, p. 845-846 2 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
119 Downloads (Pure)

Effect of a Local Vision Care Center on Eyeglasses Use and School Performance in Rural China: A Cluster Randomized Clinical Trial

Ma, Y., Congdon, N., Shi, Y., Hogg, R., Medina, A., Boswell, M., Rozelle, S. & Iyer, M., 10 May 2018, In : JAMA Ophthalmology. 8 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
97 Downloads (Pure)

Effect of community screening on the demographic makeup and clinical severity of glaucoma patients receiving care in urban China

Liang, Y., Jiang, J., Ou, W., Peng, X., Sun, R., Xu, X., Yang, J., Hu, C., Ye, C., Congdon, N. & Lu, F., 24 Jul 2018, In : American Journal of Ophthalmology. p. 1-20

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
121 Downloads (Pure)

Effect of providing near glasses on productivity among rural Indian tea workers with presbyopia (PROSPER) a randomised trial

Reddy, P. A., Congdon, N., MacKenzie, G., Gogate, P., Wen, Q., Jan, C., Clarke, M., Kassalow, J., Gudwin, E., O'Neill, C., Jin, L., Tang, J., Bassett, K., Cherwek, D. H. & Ali, R., 23 Jul 2018, In : The Lancet Global Health. p. 1-9

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
169 Downloads (Pure)

Impact of a Local Vision Care Center on Glasses Ownership and Wearing Behavior in Northwestern Rural China: A Cluster-Randomized Controlled Trial

Ma, Y., Gao, Y., Wang, Y., Li, H., Ma, L., Jing, J., Shi, Y., Guan, H. & Congdon, N., 08 Dec 2018, In : International Journal of Environmental Research and Public Health. 15, 12

Research output: Contribution to journalArticle

Open Access
File
170 Downloads (Pure)

Impact of Presbyopia and Its Correction in Low- and Middle-Income Countries

Chan, V. F., MacKenzie, G. E., Kassalow, J., Gudwin, E. & Congdon, N., 07 Dec 2018, In : Asia-Pacific Journal of Ophthalmology. 7, 6, p. 370-374

Research output: Contribution to journalArticle

2 Citations (Scopus)

Presbyopia and the Sustainable Development Goals

Congdon, N., Reddy, P., Mackenzie, G., Golgate, P., Wen, Q. & Clarke, M., Oct 2018, In : The Lancet Global Health. 6, 10, p. e1067

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
151 Downloads (Pure)

Prevalence of and Risk Factors for Diabetic Retinopathy in a Rural Chinese Population: The Yangxi Eye Study

Jin, G., Xiao, W., Ding, X., Xu, X., An, L., Congdon, N., Zhao, J. & He, M., 01 Oct 2018, In : Investigative ophthalmology & visual science. 59, 12, p. 5067-5073

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
224 Downloads (Pure)

Promoting Eye Health in Low-Resource Areas by "Doing More With Less"

Congdon, N. & He, M., 12 Dec 2018, In : Asia-Pacific Journal of Ophthalmology.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Teachers' influence on purchase and wear of children's glasses in rural China: the PRICE study

Wang, X., Ma, Y., Hu, M., Jin, L., Xiao, B., Ni, M., Yi, H., Ma, X., Wang, C., Varga, B., Huang, Y., Rozelle, S. & Congdon, N., 16 Aug 2018, In : Clinical and Experimental Ophthalmology.

Research output: Contribution to journalArticle

Open Access
File
114 Downloads (Pure)

The cost-effectiveness of alternative vision screening models among preschool children in rural China

Wang, L., Congdon, N., Hogg, R. E., Zhang, S., Li, M., Shi, Y., Jin, L., He, F., Wang, H., Boswell, M. & Iyer, M., 21 Oct 2018, In : Acta Ophthalmologica.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
95 Downloads (Pure)

The value of cycloplegia in optometric refraction of adults in a population study

Jan, C., Congdon, N., Zhou, W., Ross, B., Wang, N. & Liang, Y., 14 Oct 2018, In : Acta Ophthalmologica.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
54 Downloads (Pure)
2017

Avoidable Waste in Ophthalmic Epidemiology: A Review of Blindness Prevalence Surveys in Low and Middle Income Countries 2000–2014

Ramke, J., Kuper, H., Limburg, H., Kinloch, J., Zhu, W., Lansingh, V. C., Congdon, N., Foster, A. & Gilbert, C. E., 08 Sep 2017, In : Ophthalmic Epidemiology. p. 1-8

Research output: Contribution to journalArticle

File
3 Citations (Scopus)
170 Downloads (Pure)

Burden of vision loss associated with eye disease in China 1990–2020: findings from the Global Burden of Disease Study 2015

Wang, B., Congdon, N., Bourne, R. R., Li, Y., Cao, K., Zhao, A., yusufu, M., Dong, W., Zhou, M. & Wang, N., 12 Jun 2017, In : British Journal of Ophthalmology.

Research output: Contribution to journalArticle

Open Access
File
13 Citations (Scopus)
436 Downloads (Pure)

Carotid artery intimal medial thickness and carotid artery plaques in hypertensive patients with non-arteritic anterior ischaemic optic neuropathy

Zhu, W., Chen, T., Jin, L., Wang, H., Yoa, F., Wang, C., Wang, Q. & Congdon, N., Oct 2017, In : Graefe's Archive for Clinical and Experimental Ophthalmology. 255, 10, p. 2037-2043 7 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
176 Downloads (Pure)

Children's myopia prevention and the role of school programmes

Jan, C. L., Timbo, C. S. & Congdon, N., 07 Sep 2017, In : Community Eye Health. 30, 98, p. 37-38

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
24 Downloads (Pure)

Cluster-randomized controlled trial of the effects of free glasses on purchase of children's glasses in China: The PRICE (Potentiating Rural Investment in Children's Eyecare) study

Wang, X., Congdon, N., Ma, Y., Hu, M., Zhou, Y., Liao, W., Jin, L., Xiao, B., Wu, X., Ni, M., Yi, H., Huang, Y., Varga, B., Zhang, H., Cun, Y., Li, X., Yang, L., Liang, C., Huang, W., Rozelle, S. & 1 others, Ma, X., 21 Nov 2017, In : PloS one. 12, 11, p. e0187808

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
132 Downloads (Pure)

Content Design and System Implementation of a Teleophthalmology System for Eye Disease Diagnosis and Treatment and Its Preliminary Practice in Guangdong, China

Xiao, D., Vignarajan, J., Chen, T., Ye, T., Xiao, B., Congdon, N. & Kanagasingam, Y., Dec 2017, In : Telemedicine and e-Health. 23, 12, 12 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2 Downloads (Pure)

Cost and Expected Visual Effect of Interventions to Improve Follow-up After Cataract Surgery: Prospective Review of Early Cataract Outcomes and Grading (PRECOG) Study

Meltzer, M. E., Congdon, N., Kymes, S. M., Yan, X., Lansingh, V. C., Müller, A., Chan, V. F., Jin, L., Karumanchi, S. M., Guan, C., Vuong, Q., Rivera, N., McCleod-Omawale, J. & He, M., Feb 2017, In : JAMA Ophthalmology. 135, 2, p. 85-94 10 p.

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
148 Downloads (Pure)

Global causes of blindness and distance vision impairment 1990-2020: a systematic review and meta-analysis

Flaxman, S. R., Bourne, R. R. A., Resnikoff, S., Ackland, P., Braithwaite, T., Cicinelli, M. V., Das, A., Jonas, J. B., Keeffe, J., Kempen, J. H., Leasher, J., Limburg, H., Naidoo, K., Pesudovs, K., Silvester, A., Stevens, G. A., Tahhan, N., Wong, T. Y., Taylor, H. R., Congdon, N. & 1 others, Vision Loss Expert Group of the Global Burden of Disease Study, 11 Oct 2017, In : The Lancet Global Health. 14 p.

Research output: Contribution to journalArticle

Open Access
373 Citations (Scopus)
28 Downloads (Pure)

Influencing factors on compliance of timely visits among patients with proliferative diabetic retinopathy in southern China: a qualitative study

Duan, F., Liu, Y., Chen, X., Congdon, N., Zhang, J., Chen, Q., Chen, L., Chen, X., Zhang, X., Yu, C. & Liu, Y., 27 Mar 2017, In : BMJ Open. 7, 3

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
146 Downloads (Pure)

Magnitude, temporal trends, and projections of the global prevalence of blindness and distance and near vision impairment: a systematic review and meta-analysis

Bourne, R. R. A., Flaxman, S. R., Braithwaite, T., Cicinelli, M. V., Das, A., Jonas, J. B., Keeffe, J., Kempen, J. H., Leasher, J., Limburg, H., Naidoo, K., Pesudovs, K., Resnikoff, S., Silvester, A., Stevens, G. A., Tahhan, N., Wong, T. Y., Taylor, H. R., Congdon, N. & Vision Loss Expert Group, Sep 2017, In : The Lancet Global Health. 5, 9, p. e888-e897

Research output: Contribution to journalArticle

Open Access
File
468 Citations (Scopus)
588 Downloads (Pure)

Pilot study of a novel classroom designed to prevent myopia by increasing children’s exposure to outdoor light

Zhou, Z., Chen, T., Wang, M., Jin, L., Zhao, Y., Chen, S., Wang, C., Zhang, G., Wang, Q., Deng, Q., Liu, Y., Morgan, I. G., He, M., Liu, Y. & Congdon, N., 31 Jul 2017, In : PLoS ONE. 12, 7, 16 p., e018177.

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)
377 Downloads (Pure)

Preoperative characteristics and compliance with follow-up after trabeculectomy surgery in rural southern China

Jin, L., Li, L., Zheng, S., Dan, A., Chen, T., Wang, X., Li, G. & Congdon, N., Feb 2017, In : British Journal of Ophthalmology. 101, 2, 7 p.

Research output: Contribution to journalArticle

File
209 Downloads (Pure)

Proposing new indicators for glaucoma healthcare service

Liang, Y., Yhang, Z., Musch, D. C. & Congdon, N., 07 Mar 2017, In : Eye and Vision. 4, 6

Research output: Contribution to journalArticle

Open Access
File
195 Downloads (Pure)
2016

Age-Specific Prevalence of Visual Impairment and Refractive Error in Children Aged 3-10 Years in Shanghai, China

Ma, Y., Qu, X., Zhu, X., Xu, X., Zhu, J., Sankaridurg, P., Lin, S., Lu, L., Zhao, R., Wang, L., Shi, H., Tan, H., You, X., Yuan, H., Sun, S., Wang, M., He, X., Zou, H. & Congdon, N., 01 Nov 2016, In : Investigative ophthalmology & visual science. 57, 14, p. 6188-6196 9 p.

Research output: Contribution to journalArticle

Open Access
File
30 Citations (Scopus)
294 Downloads (Pure)

Attitudes and Knowledge Concerning Corneal Donation in a Population-Based Sample of Urban Chinese Adults

Wang, X., Jin, L., Wang, J., Haid Garrett, E., Shuman, J., Yang, K., Schottman, T., Chen, T., Wang, J., Wang, C. & Congdon, N., 01 Oct 2016, In : Cornea. 35, 10, p. 1362-1367 6 p.

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
200 Downloads (Pure)

Interventions to Promote Follow-up After Trabeculectomy Surgery in Rural Southern China: A Randomized Clinical Trial.

Yang, K., Jin, L., Zeng, S., Wei, R., Li, G., Man, P. & Congdon, N., Oct 2016, In : JAMA Ophthalmology. 134, 10, p. 1135-1141

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
135 Downloads (Pure)

Reply (Correspondence) to Safety of Spectacles for Children’s Vision: A Cluster-Randomized Controlled Trial

Ma, X., Congdon, N., Yi, H., Pang, X., Zhou, Z., Meltzer, M. E., He, M., Liu, Y., Shi, Y. & Rozelle, S., Mar 2016, In : American Journal of Ophthalmology. 163, p. 196-197 2 p.

Research output: Contribution to journalArticle

Open Access
File
8 Downloads (Pure)

Self-refraction, ready-made glasses and quality of life among rural myopic Chinese children: a non-inferiority randomized trial.

Zhou, Z., Chen, T., Jin, L., Zhen, D., He, M., Silver, J., Ellwein, L., Moore, B. & Congdon, N., 20 Jun 2016, In : Acta Ophthalmologica. 9 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
271 Downloads (Pure)

Transforming research results into useful tools for global health: BOOST

Congdon, N., Suburamand, G-B., Ravillad, T., Vargae, B., Resnikofff, S., McLeod, J., Taylor, H., Limburg, H., Schmidt, E. & LeMesurier, R., Feb 2016, In : The Lancet Global Health. 4, 2, p. e96 1 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
178 Downloads (Pure)

Who will be wielding the lancet for China's patients in the future?

Jiang, Y., Luo, L., Congdon, N., Wang, S. & Liu, Y., 15 Oct 2016, In : Lancet. 388, 10054, p. 1952-1954 3 p.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
191 Downloads (Pure)
2015

A survey of perceived training differences between ophthalmology residents in Hong Kong and China.

Young, A. L., Jhanji, V., Liang, Y., Congdon, N., Chow, S., Wang, F., Zhang, X., Man, X., Yang, M., Lin, Z., Yuen, H. GL. & Lam, D. SC., 28 Sep 2015, In : BMC Medical Education. 15, 7 p., 158.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
447 Downloads (Pure)

China’s overuse of inpatient treatment and routine preoperative testing

Liu, Y., Congdon, N., Chen, W. & Jiang, Y., 02 Jun 2015, In : British Medical Journal. 350

Research output: Contribution to journalArticle

2 Citations (Scopus)

Disordered sleep and myopia risk among Chinese children

Zhou, Z., Morgan, I. G., Chen, Q., Ling, J., He, M. & Congdon, N., 2015, In : PLoS ONE. 10, 3

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
392 Downloads (Pure)

Erratum to An investigation of vision problems and the vision care system in Rural China (Southeast Asian Journal of tropical medicine and public health, (2014), 15, 6, (1464-1473))

Bai, Y., Yi, H., Zhang, L., Shi, Y., Ma, X., Congdon, N., Zhou, Z., Boswell, M. & Rozelle, S., Jan 2015, In : Southeast Asian Journal of Tropical Medicine and Public Health. 46, 1, p. 175 1 p.

Research output: Contribution to journalArticle

Factors influencing the output of rural cataract surgical facilities in China: the SHARP study

Chen, T., Jin, L., Zhou, Z., Huang, Y., Yan, X., Liu, T., Ong, E. L., Liu, B., Huang, W., Iezzi, B., He, M., Friedman, D. S. & Congdon, N. G., Feb 2015, In : Investigative Opthalmology and Visual Science. 56, 2, p. 1283-1291 9 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Factors Underlying Different Myopia Prevalence between Middle- and Low-income Provinces in China

Zhou, Z., Ma, X., Yi, H., Pang, X., Shi, Y., Chen, Q., Meltzer, M. E., Price-Sanchez, C., He, M., Rozelle, S., Morgan, I. & Congdon, N., May 2015, In : Ophthalmology. 122, 5, p. 1060-1062 3 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Impact of Free Glasses and a Teacher Incentive on Children's Use of Eyeglasses: A Cluster-Randomized Controlled Trial.

Yi, H., Zhang, H., Ma, X., Zhang, L., Wang, X., Jin, L., Naidoo, K., Minto, H., Zou, H., Lu, L., Rozelle, S. & Congdon, N., Nov 2015, In : American Journal of Ophthalmology. 160, 5, p. 889-896 8 p.

Research output: Contribution to journalArticle

File
16 Citations (Scopus)
311 Downloads (Pure)