Study on the growth curve of uncorrected visual acuity of children and adolescents with relative safe refractive range

WANG Jingjing; DU Linlin; XIE Hui; YANG Jinliuxing; CHEN Jun; ZHU Jianfeng; ZOU Haidong; XU Xun; HE Xiangui

doi:10.16835/j.cnki.1000-9817.2021.06.022

Volume 42 Issue 6

Jun. 2021

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Article Navigation > CHINESE JOURNAL OF SCHOOL HEALTH > 2021 > 42(6): 893-897

WANG Jingjing, DU Linlin, XIE Hui, YANG Jinliuxing, CHEN Jun, ZHU Jianfeng, ZOU Haidong, XU Xun, HE Xiangui. Study on the growth curve of uncorrected visual acuity of children and adolescents with relative safe refractive range[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(6): 893-897. doi: 10.16835/j.cnki.1000-9817.2021.06.022

Citation:

WANG Jingjing, DU Linlin, XIE Hui, YANG Jinliuxing, CHEN Jun, ZHU Jianfeng, ZOU Haidong, XU Xun, HE Xiangui. Study on the growth curve of uncorrected visual acuity of children and adolescents with relative safe refractive range[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(6): 893-897. doi: 10.16835/j.cnki.1000-9817.2021.06.022

Citation:

WANG Jingjing, DU Linlin, XIE Hui, YANG Jinliuxing, CHEN Jun, ZHU Jianfeng, ZOU Haidong, XU Xun, HE Xiangui. Study on the growth curve of uncorrected visual acuity of children and adolescents with relative safe refractive range[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(6): 893-897. doi: 10.16835/j.cnki.1000-9817.2021.06.022

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Study on the growth curve of uncorrected visual acuity of children and adolescents with relative safe refractive range

doi: 10.16835/j.cnki.1000-9817.2021.06.022

WANG Jingjing¹,
DU Linlin¹,
XIE Hui¹,
YANG Jinliuxing¹,
CHEN Jun¹,
ZHU Jianfeng¹,
ZOU Haidong^{1, 2},
XU Xun^{1, 2},
HE Xiangui^{1, 2
,
,}

1.
Shanghai Eye Disease Prevention and Treatment Center/Shanghai Eye Hospital/Shanghai Vision Health Center and Shanghai Children Myopia Institute, Shanghai(200040), China

Received Date: 2021-01-14
Rev Recd Date: 2021-02-17

Available Online: 2021-06-22

Publish Date: 2021-06-25

Abstract

Abstract

Objective To analyze the distribution of uncorrected visual acuity in children and adolescents aged 3-18 years with relative safe refractive range, and to develop the growth curve and reference range of uncorrected visual acuity in children and adolescents of different ages, so as to provide reference for formulating the referral threshold for myopia screening practice. Methods Using cluster sampling method, 9 146 children and adolescents aged 3-18 years old in Shanghai were selected for uncorrected visual acuity, cycloplegic refraction, slit lamp and other ophthalmic examinations, and the percentiles and growth curve of uncorrected visual acuity of children and adolescents in the relative safe refractive range were fitted by LMS method. Besides, the area under the ROC curve and the sensitivity and specificity of different cut-off values were analyzed. Results The uncorrected visual acuity was skewed, with a median of 4.8. There were 4 675 individuals with safe refraction, the median of uncorrected visual acuity in which was 4.9. The LMS curve showed that the uncorrected visual acuity increased with age in the lower age group, and gradually stabilized to the best level at the age of 6-10. P₅₀ was 4.8 in 3-4 years old, 4.9 in 5-8 years old, 5.0 in 9 years old and above. The area under ROC curve of uncorrected visual acuity predicting refractive abnormality increased with age, with the lowest value of 0.55(95%CI=0.50-0.61) at 3 years old and the highest value of 0.95 (95%CI=0.94-0.96) at 12-18 years old. The Youden index was the highest for P₂₅ at 3-6 years old, and the highest for P₁₀ at 7 years old and above. With the increase of the cut-off value, the sensitivity increased and the specificity decreased. Conclusion The uncorrected visual acuity increases gradually with age, and reaches the best level after 6-10 years old. The screening effect of uncorrected visual acuity predicting refractive abnormality increased with age. It is suggested that the referral threshold of children and adolescents with abnormal uncorrected visual acuity should be set according to their ages, and P₂₅-P₇₅ can be selected according to the screening purposes.
- Refraction, ocular,
- Growth and development,
- ROC curve,
- Child,
- Adolescent

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References(18)

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