斜视患儿知觉眼位和眼球运动与儿童汉语阅读障碍量表间的关联分析

doi:10.3760/cma.j.cn115909-20211022-00421

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Abstract Objective: To analyze the correlation on perceptual eye position (PEP), eye movement and dyslexia checklist for Chinese children (DCCC) in strabismus patients. Methods: A case control study. 24 children with strabismus and 14 children with mild ametropia from grade 2 to grade 6 were included in Shenzhen Eye Hospital from June 2020 to June 2021.Visual perceptual examination system was used to assess PEP, Tobii Eye Tracker 5 was used to assess fixation and saccade function, and the DCCC was used to assess the degree of dyslexia. Independent sample t test was used for inter-group normal distribution data, and mann-Whitney U test was used for statistical analysis of non-normal distribution data. Spearman straightline correlation analysis was used to assess the relationship among horizontal and vertical PEP migration, fixation migration, saccade migration, dyslexia scale scores, and further linear regression analysis was performed for the indicators with statistical significance in the correlation analysis. Results: The PEP migration was significantly increased in strabismus group (P<0.001). In the correlation analysis, there was a strong positive correlation between horizontal and vertical saccades in control groups (r=0.81, P<0.001), and a medium positive correlation in the strabismus group (r=0.64, P=0.001), and horizontal saccades increases as the vertical saccades larger; while the deviation of horizontal fixation and horizontal saccades was moderate positive correlation (r=0.64 in control group, r=0.69 in strabismus group, all P<0.05), and the deviation of horizontal saccades increased with the increase of horizontal fixation. In the strabismus group, horizontal and vertical perceptual eye position, horizontal fixation and vertical fixation, horizontal perceptual eye position and horizontal fixation, horizontal fixation and vertical saccade, DCCC visual perception disorder subscale and vertical saccade were moderately positively correlated (r=0.70, r=0.66, r=0.52, r=0.43, r=0.47, all P<0.05), and the vertical PEP increased with the increase of the horizontal PEP, the visual perception disorders scale score increased with the increase of vertical saccades deviation. Conclusion: Horizontal and vertical saccades are positively correlated with normal and deviated eye positions. PEP deviation makes horizontal fixation and saccade, vertical saccade have more obvious interaction with each other. Abnormal saccade movement was found in dyslexia, strabismus and normal children, in this study, the vertical saccade shift was found to be moderately correlated with the visual perception impairment subscale of DCCC subscale, suggesting that saccade function may be one of the sensitive indicators of children's reading ability.

Key words： strabismus visual perception eye movement dyslexia

Received: 22 October 2021

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Fund:International Science and Technology Cooperation Research Project of Shenzhen Science and Technology Innovation Committee (GJHZ20190821113401670); Sanming Project of Medicine in Shenzhen(SZSM201812090); Shenzhen Fund for Guangdong Provincial High-Level Clinical Key Specialties ( SZGSP014)

Corresponding Authors: Hongwei Deng, Shenzhen Eye Hospital, Shenzhen Key Laboratory of Ophthalmology, Affiliated Shenzhen Eye Hospital of Jinan University, Shenzhen 518040, China (Email:dhw110@126.com)

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	Shiming Peng1
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Cite this article:

Shiming Peng1,Zhengyang Tao1,Jing Chen1等. Correlation Analysis on Perceptual Eye Position, Eye Movement and Dyslexia Checklist for Chinese Children in Strabismus Patients[J]. Chinese Journal of Optometry Ophthalmology and Visual science, 2022, 24(5): 377-383.

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https://www.cjoovs.com/EN/10.3760/cma.j.cn115909-20211022-00421 OR https://www.cjoovs.com/EN/Y2022/V24/I5/377

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