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The Association between Maternal Reproductive Age and Progression of Refractive Error in Urban Students in Beijing.


ABSTRACT:

Purpose

To investigate the association between maternal reproductive age and their children' refractive error progression in Chinese urban students.

Methods

The Beijing Myopia Progression Study was a three-year cohort investigation. Cycloplegic refraction of these students at both baseline and follow-up vision examinations, as well as non-cycloplegic refraction of their parents at baseline, were performed. Student's refractive change was defined as the cycloplegic spherical equivalent (SE) of the right eye at the final follow-up minus the cycloplegic SE of the right eye at baseline.

Results

At the final follow-up, 241 students (62.4%) were reexamined. 226 students (58.5%) with completed refractive data, as well as completed parental reproductive age data, were enrolled. The average paternal and maternal age increased from 29.4 years and 27.5 years in 1993-1994 to 32.6 years and 29.2 years in 2003-2004, respectively. In the multivariate analysis, students who were younger (? = 0.08 diopter/year/year, P<0.001), with more myopic refraction at baseline (? = 0.02 diopter/year/diopter, P = 0.01), and with older maternal reproductive age (? = -0.18 diopter/year/decade, P = 0.01), had more myopic refractive change. After stratifying the parental reproductive age into quartile groups, children with older maternal reproductive age (trend test: P = 0.04) had more myopic refractive change, after adjusting for the children's age, baseline refraction, maternal refraction, and near work time. However, no significant association between myopic refractive change and paternal reproductive age was found.

Conclusions

In this cohort, children with older maternal reproductive age had more myopic refractive change. This new risk factor for myopia progression may partially explain the faster myopic progression found in the Chinese population in recent decades.

SUBMITTER: Lin Z 

PROVIDER: S-EPMC4589237 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Publications

The Association between Maternal Reproductive Age and Progression of Refractive Error in Urban Students in Beijing.

Lin Zhong Z   Mao Guang Yun GY   Vasudevan Balamurali B   Jin Zi Bing ZB   Ciuffreda Kenneth J KJ   Jhanji Vishal V   Zhou Hong Jia HJ   Wang Ning Li NL   Liang Yuan Bo YB  

PloS one 20150930 9


<h4>Purpose</h4>To investigate the association between maternal reproductive age and their children' refractive error progression in Chinese urban students.<h4>Methods</h4>The Beijing Myopia Progression Study was a three-year cohort investigation. Cycloplegic refraction of these students at both baseline and follow-up vision examinations, as well as non-cycloplegic refraction of their parents at baseline, were performed. Student's refractive change was defined as the cycloplegic spherical equiva  ...[more]

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