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Decrements in auditory responses to a repeated conspecific song are long-lasting and require two periods of protein synthesis in the songbird forebrain.
Earlier work showed that playbacks of conspecific song induce expression of the immediate early gene ZENK in the caudo-medial neostriatum (NCM) of awake male zebra finches and that this responseExpand
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Prevalence and risk factors for refractive errors in adult Chinese in Singapore.
PURPOSE To determine the epidemiology of refractive errors in an adult Chinese population in Singapore. METHODS A disproportionate, stratified, clustered, random-sampling procedure was used toExpand
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A large-capacity memory system that recognizes the calls and songs of individual birds.
Auditory responses in the caudomedial neostriatum (NCM) of the zebra finch (Taeniopygia guttata) forebrain habituate to repeated presentations of a novel conspecific song. This habituation is longExpand
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Prevalence, incidence, and progression of myopia of school children in Hong Kong.
  • D. Fan, D. Lam, +5 authors S. Chew
  • Medicine
  • Investigative ophthalmology & visual science
  • 1 April 2004
PURPOSE To determine the prevalence, incidence, and progression of myopia of Chinese children in Hong Kong. METHODS A cross-sectional survey was initially conducted. A longitudinal follow-up studyExpand
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Peripapillary retinal nerve fiber layer thickness variations with myopia.
PURPOSE To determine the relationship between peripapillary retinal nerve fiber layer (RNFL) thickness and myopia using optical coherence tomography (OCT). DESIGN Prospective observational caseExpand
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Epidemiology of Myopia
Myopia is a major health problem throughout the world due to its increasingly high prevalence in the past few decades. Myopia, in particular high myopia, is directly or indirectly associated with aExpand
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Use of optical coherence tomography to assess variations in macular retinal thickness in myopia.
  • M. Lim, S. Hoh, +4 authors T. Aung
  • Medicine
  • Investigative ophthalmology & visual science
  • 1 March 2005
PURPOSE To investigate the variation in macular retinal thickness in otherwise normal young Asian myopic subjects by using optical coherence tomography (OCT). METHODS One hundred thirtyExpand
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Near-work activity and myopia in rural and urban schoolchildren in China.
  • S. Saw, R. Hong, +4 authors S. Chew
  • Medicine
  • Journal of pediatric ophthalmology and strabismus
  • 1 May 2001
PURPOSE To examine the prevalence of myopia in rural and urban schoolchildren in Xiamen, China, and to assess the impact of environmental factors on rates of myopia. METHODS Second-grade childrenExpand
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A randomized trial of rigid gas permeable contact lenses to reduce progression of children's myopia.
PURPOSE To test whether rigid gas permeable (RGP) contact lens wear can reduced the rate of myopia progression in school age children. DESIGN Randomized clinical trial. METHODS SETTING SingleExpand
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Refractive Errors in Singapore and Xiamen, China—A Comparative Study in School Children Aged 6 to 7 Years
Purpose To compare and contrast the prevalence of myopia and other refractive errors in Xiamen city, Xiamen countryside (Southern China), and Singapore. Methods One hundred thirty-two schoolchildrenExpand
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