The Guangzhou Twin ProjectMingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Twin Res Hum Genet 9:753-7. 2006
..Recruitment of adult twins aged 50 years and over is underway in the same city with the assistance of the government...
- [Quality of life assessment of cataract surgery in elderly population of Doumen County, Guangzhou Province]
Mingguang He
Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou 510060, China
Zhonghua Yan Ke Za Zhi 38:594-7. 2002
..To evaluate the outcome of cataract surgery in elderly population in Doumen County, Guangdong Province by assessment of subjective visual function and quality of life...
Qualitative assessment of ultrasound biomicroscopic images using standard photographs: the liwan eye studyYuzhen Jiang
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 51:2035-42. 2010
..Otherwise, the anterior rotation and size of the ciliary body, the iris insertion, and the overall iris thickness are comparable in narrow- and wide-angle eyes...
Prevalence and correction of near vision impairment at seven sites in China, India, Nepal, Niger, South Africa, and the United StatesMingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Am J Ophthalmol 154:107-116.e1. 2012
..To estimate the prevalence of near vision impairment and use of corrective spectacles among middle-aged and older adults in different settings and ethnic groups...
- Heritability of anterior chamber depth as an intermediate phenotype of angle-closure in Chinese: the Guangzhou Twin Eye Study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 49:81-6. 2008
..To assess the heritability of anterior chamber depth (ACD) and relative anterior chamber depth (ACD/axial length, rACD) in Chinese in a classic twin study...
- Heritability of the iridotrabecular angle width measured by optical coherence tomography in Chinese children: the Guangzhou twin eye study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 49:1356-61. 2008
..To estimate the heritability of the iridotrabecular angle width measured by anterior segment optical coherence tomography (ASOCT) in a classic twin study...
- Refractive error and biometry in older Chinese adults: the Liwan eye study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 50:5130-6. 2009
..To assess the prevalence of refractive error and describe the distribution of ocular biometry and its association with refraction in adult Chinese...
- Heritability of optic disc and cup measured by the Heidelberg Retinal Tomography in Chinese: the Guangzhou twin eye study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 49:1350-5. 2008
..To assess the heritability of disc area (DA), cup area (CA), and cup-disc area ratio (CDAR) as intermediate phenotypes for glaucoma in Chinese subjects in a classic twin study...
- Laser peripheral iridotomy in eyes with narrow drainage angles: ultrasound biomicroscopy outcomes. The Liwan Eye Study
Mingguang He
Institute of Ophthalmology, University College London, London, United Kingdom
Ophthalmology 114:1513-9. 2007
..To assess the short-term effect of laser peripheral iridotomy (LPI) on anterior segment anatomy in angle-closure suspects using ultrasound biomicroscopy (UBM)...
- Slit lamp-simulated oblique flashlight test in the detection of narrow angles in Chinese eyes: the Liwan eye study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 48:5459-63. 2007
..To assess a modified slit lamp-simulated oblique flashlight test in the identification of persons with suspected angle closure...
- Histologic changes of the iris in the development of angle closure in Chinese eyes
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Guangzhou, PR China
J Glaucoma 17:386-92. 2008
..To identify the histologic characteristics of the iris in primary angle closure...
- Prevalence of myopia in urban and rural children in mainland China
Mingguang He
Department of Preventive Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, People s Republic of China
Optom Vis Sci 86:40-4. 2009
..This article intends to review the available data on the prevalence of myopia in Chinese children living in China; particular consideration is given to the evidence of urban-rural differences and their implications...
- Laser peripheral iridotomy in primary angle-closure suspects: biometric and gonioscopic outcomes: the Liwan Eye Study
Mingguang He
Institute of Ophthalmology, University College London, London, United Kingdom
Ophthalmology 114:494-500. 2007
..To assess the immediate effect of laser peripheral iridotomy (LPI) and mechanisms of angle closure in a population-based study of primary angle closure (PAC) suspects...
- Distribution and heritability of iris thickness and pupil size in Chinese: the Guangzhou Twin Eye Study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 50:1593-7. 2009
..To investigate the distribution and heritability of iris thickness and pupil diameter measured by anterior segment optical coherence tomography (ASOCT) in a classic twin study...
- Prevalence and clinical characteristics of glaucoma in adult Chinese: a population-based study in Liwan District, Guangzhou
Mingguang He
Institute of Ophthalmology, University College London, and Glaucoma Research Unit, Moorfields Eye Hospital, United Kingdom
Invest Ophthalmol Vis Sci 47:2782-8. 2006
..To assess the prevalence and mechanism of glaucoma in adults living in an urban area of southern China...
- Anterior chamber depth in elderly Chinese: the Liwan eye study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Ophthalmology 115:1286-90, 1290.e1-2. 2008
..To assess the anterior chamber depth (ACD) and its variation with age, gender, and angle width in elderly Chinese in an urban area of southern China...
- The child self-refraction study results from urban Chinese children in Guangzhou
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, PRC
Ophthalmology 118:1162-9. 2011
..To compare visual and refractive outcomes between self-refracting spectacles (Adaptive Eyecare, Ltd, Oxford, UK), noncycloplegic autorefraction, and cycloplegic subjective refraction...
- Disorders of the blood-aqueous barrier after phacoemulsification in diabetic patients
Y Liu
Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, Peoples Republic of China
Eye (Lond) 18:900-4. 2004
..To evaluate the function of the blood-aqueous barrier after phacoemulsification with implantation of a foldable intraocular lens (IOL) in diabetic patients...
- [Population-based survey of refractive error in school-aged children in Liwan District, Guangzhou]
Ming Guang He
Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou 510060, China
Zhonghua Yan Ke Za Zhi 44:491-6. 2008
..To estimate the prevalence of refractive error in school-aged children in urban setting of Southern China...
- Design and methodology of a randomized controlled trial of laser iridotomy for the prevention of angle closure in southern China: the Zhongshan angle Closure Prevention trial
Yuzhen Jiang
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Ophthalmic Epidemiol 17:321-32. 2010
....
- Shared genetic determinant of axial length, anterior chamber depth, and angle opening distance: the Guangzhou Twin Eye Study
Mingguang He
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China the
Invest Ophthalmol Vis Sci 49:4790-4. 2008
..To estimate the extent to which common genetic and environmental effects contribute to covariances among axial length, anterior chamber depth, and angle-opening distance...
- Distribution and heritability of intraocular pressure in chinese children: the Guangzhou twin eye study
Yingfeng Zheng
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, People s Republic of China
Invest Ophthalmol Vis Sci 50:2040-3. 2009
..To assess the distribution and heritability of intraocular pressure (IOP) in Chinese children...
- Refractive error and visual impairment in school children in rural southern China
Mingguang He
Key Laboratory of Ophthalmology and Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Ophthalmology 114:374-82. 2007
..To assess the prevalence of refractive error and visual impairment in school children in a rural area of southern China...
- Gonioscopy in adult Chinese: the Liwan Eye Study
Mingguang He
Institute of Ophthalmology, University College London (UCL, London, United Kingdom
Invest Ophthalmol Vis Sci 47:4772-9. 2006
..Longitudinal studies are necessary to determine appropriate strategies for preventing this potentially blinding outcome...
- Prevalence and causes of visual impairment in Chinese adults in urban southern China
Shengsong Huang
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Arch Ophthalmol 127:1362-7. 2009
..To assess the prevalence and causes of visual impairment and blindness in adults living in an urban area of southern China...
- Refractive error and visual impairment in urban children in southern china
Mingguang He
Zhongshan Ophthalmic Center, Guangzhou, People's Republic of China
Invest Ophthalmol Vis Sci 45:793-9. 2004
..One third of these children do not have the necessary corrective spectacles. Effective strategies are needed to eliminate this easily treated cause of significant visual impairment...
- Heritability of central corneal thickness in Chinese: the Guangzhou Twin Eye Study
Yingfeng Zheng
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 49:4303-7. 2008
..To assess the heritability of central corneal thickness (CCT) in Chinese children in a classic twin study...
- Distribution of central and peripheral corneal thickness in Chinese children and adults: the Guangzhou twin eye study
Yingfeng Zheng
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Cornea 27:776-81. 2008
..To describe the distribution of central and peripheral corneal thickness in children and adults by using a Scheimpflug camera...
- Pterygium in aged population in Doumen County, China
Kaili Wu
Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou 510060, China
Yan Ke Xue Bao 18:181-4. 2002
..To estimate the prevalence of pterygium and its influence on visual acuity in aged population of Doumen County, southern China...
- [Comparing patients' quality of life after phacoemulsification with intraocular lens implantation with that after extracapsular cataract extraction with intraocular lens implantation]
Jie wei Liu
Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou 510060, China
Zhonghua Yan Ke Za Zhi 39:94-7. 2003
..To Compare the effects of phacoemulsification with intraocular lens implantation (PHACO + IOL) to extracapsular cataract extraction with intraocular lens implantation (ECCE + IOL) on quality of life...
- A randomized, clinical trial evaluating ready-made and custom spectacles delivered via a school-based screening program in China
Yangfa Zeng
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Ophthalmology 116:1839-45. 2009
..We sought to evaluate visual performance and satisfaction with ready-made spectacles (RMS) in Chinese school-aged children with uncorrected refractive error...
- Need and challenges of refractive correction in urban Chinese school children
Mingguang He
Zhongshan Ophthalmic Center, Guangzhou, China
Optom Vis Sci 82:229-34. 2005
..Parental education and enhanced school-based screening programs may be necessary to address the unfilled need for refractive correction among school-aged children...
- Comparison of lens thickness measurements using the anterior segment optical coherence tomography and A-scan ultrasonography
Yangfa Zeng
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, People s Republic of China
Invest Ophthalmol Vis Sci 50:290-4. 2009
..To assess lens thickness (LT) measurements with anterior segment optical coherence tomography (AS-OCT) in comparison with A-scan ultrasonography (A-scan US)...
- A two-site, population-based study of barriers to cataract surgery in rural china
Qiuxia Yin
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Invest Ophthalmol Vis Sci 50:1069-75. 2009
..China has among the lowest cataract surgical rates in Asia. This study was conducted to identify barriers to cataract surgery in rural China...
- Willingness to pay for cataract surgery in rural Southern China
Mingguang He
Zhongshan Ophthalmic Center, Guangzhou, China
Ophthalmology 114:411-6. 2007
..To study willingness to pay for cataract surgery, and its associations, in Southern China...
- Use of eye care services among diabetic patients in urban and rural China
Dandan Wang
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Ophthalmology 117:1755-62. 2010
..To assess the use of eye care and its predictors among diabetic patients in China...
- [Biometry of intraocular lenses using Pentacam Scheimpflug images]
Yulin Wang
Key Laboratory of Ophthalmology of Ministry of Education and Zhongshan Ophthalmic Center, Guangzhou 510060, China
Yan Ke Xue Bao 22:119-24. 2006
..To compare differences in intraocular lens (IOL) decentration, tilt and anterior chamber depth (ACD) using Pentacam-Scheimpflug System images in eyes having phacoemulsification with implantation of 1 of 3 types of IOLs...
- Correlation between Lens Thickness and Central Anterior Chamber Depth
Yang fa Zeng
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou 510060, China
Yan Ke Xue Bao 27:124-6. 2012
..To investigate gender differences in lens thickness (LT) and central anterior chamber depth (ACD) in normal subjects, and to assess age associated changes in these measures...
- The changes of quality of life in the patients after phacoemulsification with intraocular lens implantation
Jiewei Liu
Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
Yan Ke Xue Bao 20:135-9. 2004
..CONCLUSION: Patients receiving phacoemulsification reported rapid improvement in quality of life after surgery, and the quality of life scores were not changed significantly from 1 week to 6 months after surgery...
- Shared genetic determinants of axial length and height in children: the Guangzhou twin eye study
Jian Zhang
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat Sen University, Guangzhou, China
Arch Ophthalmol 129:63-8. 2011
..To describe the association between axial length (AL) and height and to estimate the extent to which shared genetic or environmental factors influence this covariance...
- [Comparing the effects of cataract surgery on vision function in the first eye with that in the second eye measured by the questionnaire of vision function]
Jiewei Liu
Shanxi Eye Hospital, Taiyuan 030001, China
Yan Ke Xue Bao 22:138-41. 2006
..CONCLUSION: The vision function improved after phacoemulsification with intraocular lens implantation in the first or the second eye surgery, and only the peripheral vision and depth perception improved after the second eye surgery...
- Reversal in gender valuations of cataract surgery after the implementation of free screening and low-priced high-quality surgery in a rural population of southern China
Elaine Baruwa
Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
Ophthalmic Epidemiol 15:99-104. 2008
....
- Anterior chamber angle assessment techniques
David S Friedman
Wilmer Eye Institute and Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21287, USA
Surv Ophthalmol 53:250-73. 2008
..In addition, we discuss surrogate approaches to measuring the angle configuration, including limbal anterior chamber depth measurement, scanning peripheral anterior chamber depth measurement, and Scheimpflug photography...
- Estimating the rate of progressive visual field damage in those with open-angle glaucoma, from cross-sectional data
Aimee Teo Broman
Dana Center for Preventive Ophthalmology and the Glaucoma Service, Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
Invest Ophthalmol Vis Sci 49:66-76. 2008
..To estimate the rate of visual field progression in open-angle glaucoma (OAG) subjects, by using data from population-based cross-sectional studies...
