July 2019
Volume 60, Issue 9
Free
ARVO Annual Meeting Abstract  |   July 2019
Visual impairment and spectacle use in university students in central China: The Anyang University Students Eye Study
Author Affiliations & Notes
  • Shifei Wei
    Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Beijing, Beijing, China
  • Yunyun Sun
    Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Beijing, Beijing, China
  • Ningli Wang
    Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Beijing, Beijing, China
  • Footnotes
    Commercial Relationships   Shifei Wei, None; Yunyun Sun, None; Ningli Wang, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2019, Vol.60, 4459. doi:
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      Shifei Wei, Yunyun Sun, Ningli Wang; Visual impairment and spectacle use in university students in central China: The Anyang University Students Eye Study. Invest. Ophthalmol. Vis. Sci. 2019;60(9):4459.

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

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Abstract

Purpose : To investigate the prevalence and associations of visual impairment and the spectacle use in university students in areas of Anyang, central China.

Methods : This is a cross-sectional university-based study of 16- to 26-year-old students in China. Subjects from two universities underwent distance visual acuity (VA) assessment in both eyes using a logarithm of the minimum angle of resolution (logMAR) chart and refraction measurement by cycloplegic autorefraction. Blindness was defined as VA <3/60 in the better eye (World Health Organization definition) and visual impairment as VA <6/12.

Results : A total of 7,704 eligible subjects were included, with an average age of 20.15 ± 1.43 years. The mean visual acuity of right and left eye in the study were 0.69 ± 0.42 logMAR (0.33 ± 0.35) and 0.63 ± 0.43 logMAR (0.37 ± 0.37), respectively, using uncorrected VA and were adjusted to 0.23 ± 0.29 logMAR (0.70 ± 0.33) and 0.19 ± 0.28 logMAR (0.75 ± 0.33), respectively, using presenting VA. The prevalence of uncorrected visual impairment was 71.09% and blindness was 3.79%. Only 76.97% of subjects with uncorrected VA in the better eye of < 6/12 wore glasses. With presenting VA, the prevalence of mild (VA <6/12 to 6/18), moderate (VA <6/18 to 6/60) and severe (VA <6/60 to 3/60) visual impairment was 6.3%, 12.2% and 0.7%, respectively .In multiple logistic regression analysis, visual impairment was associated with female gender (p <0.001) and lower year level of education (P=0.006) with presenting VA. Age (P=0.287), region of habitation (P=0.315) and discipline (P=0.167) were not significantly associated with presenting VA.

Conclusions : This study has documented a relatively high prevalence of visual impairment and low spectacle coverage existed in central Chinese university students. Given the potential impact of visual impairment, target education and accessible refraction service are highly important to solve the problem.

This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.

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