May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Prevalence and Associated Factors of Refractive Errors Among Type 2 Diabetics in Kinmen, Taiwan
Author Affiliations & Notes
  • S. Chen
    Ophthalmology, Taipei Veterans General Hosp, Taipei, Taiwan
    Community Medicine Research Center & Institute of Public Health, National Yang-Ming University, Taipei, Taiwan
  • T.-H. Tao-Hsin Tung
    Ophthalmology, Cheng Hsin Rehabilitation Medical Center, Taipei, Taiwan
  • J.-H. Liu
    Ophthalmology, Cheng Hsin Rehabilitation Medical Center, Taipei, Taiwan
  • A.-F. Lee
    Ophthalmology, Taipei Veterans General Hosp, Taipei, Taiwan
  • F.-L. Lee
    Ophthalmology, Taipei Veterans General Hosp, Taipei, Taiwan
  • W.-M. Hsu
    Ophthalmology, Taipei Veterans General Hosp, Taipei, Taiwan
  • P. Chou
    Community Medicine Research Center & Institute of Public Health, National Yang-Ming University, Taipei, Taiwan
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 1022. doi:
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      S. Chen, T.-H. Tao-Hsin Tung, J.-H. Liu, A.-F. Lee, F.-L. Lee, W.-M. Hsu, P. Chou; Prevalence and Associated Factors of Refractive Errors Among Type 2 Diabetics in Kinmen, Taiwan. Invest. Ophthalmol. Vis. Sci. 2007;48(13):1022.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose:: A community-based study was conducted to explore the prevalence and associated factors of refractive errors among Chinese type 2 diabetic population in Kinmen, Taiwan.

Methods:: There were a total of 578 patients (≥40 years old) with type 2 diabetes examined with a complete eye screening including objective autorefraction. Spherical equivalent refraction of right eyes were reported. Data collected include age, gender, general medical information and serum biochemistry.

Results:: The mean refraction was -0.83 + 2.49 D. Prevalence rates were determined for myopia (44.1%), hyperopia (24.1%), high myopia (13.0%), and astigmatism (87.8%). Age is an important factor for all the refractive errors. After adjustment for age, male gender and ≥3 grade nuclear opacity appeared to be statistically significant factors for myopia. For hyperopia, ≥7% HbA1c was a significant associated factor and for astigmatism, ≥200 mg/dl total cholesterol was the risk factor. Multiple linear regression showed that every increase of one year of age and one percent of HbA1c is associated with 0.04 D (p=0.003) and 0.13D (p=0.04) shift in hyperopia, respectively. Nuclear opacity with grade 3-4 and grade 5-6 will shift toward myopia of -0.72D (p=0.02) and -5.34D (p<0.0001) after adjustment for other risk factors.

Conclusions:: This study provides epidemiological data on refractive errors in a Chinese diabetic population in Kinmen, Taiwan. The myopia prevalence is higher than the reported rates in the general population. This survey further confirmed that myopia is more prevalent than hyperopia in the diabetic population. Age and blood sugar shift the refraction toward hyperopia while nuclear cataract reverses it. Prevention of refractive errors in the diabetes remained a challenge as that correction will require not only spectacles but medical intervention.

Keywords: refraction • diabetes • myopia 
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