The Comparative Analysis of Myopic Development in Different-aged Youngsters_West China Medical Journal

Authors：

 DONGGuang-jing ,  LIULong-qian , TANQi

Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;

Corresponding author：

LIULong-qian, Email: bq15651@hotmail.com

Keywords：

Myopia; Annual growth; Youngsters

DOI：

10.7507/1002-0179.20140394

Video：

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Abstract Full text Figures/Tables Video References Cited by

Objective To investigate the annual average myopic growth of different-aged youngsters in recent years. Methods Between July 2010 and September 2011, 103 myopic youngsters (206 eyes) aged 7 to 18 years were recruited at the Ophthalmologic Department in West China Hospital. We measured their myopic diopter, and let them wear normal spectacles according to the measurement, and then measured their myopic diopter again half a year later. The difference between the two measurements was recorded and analyzed. Results The male group increased (-0.82±0.44) D per year, and the female group increased (-0.99±0.57) D per year, and the difference between the two groups had statistical significance (P<0.05). The male of 7 to 10 years old increased (-0.97±0.39) D per year, and of 11 to 14 years old increased (-0.92±0.41) D per year, and of 15 to 18 years old increased (-0.49±0.37) D per year, and the differences among the three male groups had statistical significances (P<0.01). The female of 7 to 10 years old increased (-1.22±0.46) D per year, and of 11 to 14 years old increased (-0.84±0.47) D per year, and of 15 to 18 years old increased (-0.61±0.67) D per year, and the differences had statistical significances (P<0.01). Conclusion The annual myopic growth of youngsters is related with age and sex. The growth of the female is faster than the male, and the younger also grows faster.

Citation： DONGGuang-jing, LIULong-qian, TANQi. The Comparative Analysis of Myopic Development in Different-aged Youngsters. West China Medical Journal, 2014, 29(7): 1290-1292. doi: 10.7507/1002-0179.20140394 Copy

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3.	季成叶. 中国学生视力不良和疑似近视流行的动态分析[J]. 中国学校卫生, 2008, 29(8):677-680.
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12.	Charm J, Cho P. High myopia-partial reduction ortho-k:a 2-year randomized study[J]. Optom Vis Sci, 2013, 90(6):530-539.
13.	兰文, 陆燕, 杨丽萍, 等. 夜戴型角膜塑形镜矫正及控制近视发展的临床分析[J]. 医学研究生学报, 2012, 25(10):1061-1064.
14.	Chen C, Cheung SW, Cho P. Myopia control using toric orthokeratology (TO-SEE study)[J]. Invest Ophthalmol Vis Sci, 2013, 54(10):6510-6517.
15.	Katz J, Schein OD, Levy B, et al. A randomized trial of rigid gas permeable contact lenses to reduce progression of children's myopia[J]. Am J Ophthalmol, 2003, 136(1):82-90.
16.	Grosvenor T, Perrigin D, Perrigin J, et al. Rigid gas-permeable contact lenses for myopia control:effects of discontinuation of lens wear[J]. Optom Vis Sci, 1991, 68(5):385-389.
17.	Hartwig A, Charman WN, Radhakrishnan H. Accommodative response to peripheral stimuli in myopes and emmetropes[J]. Ophthalmic Physiol Opt, 2011, 31(1):91-99.
18.	Chia A, Chua WH, Cheung YB, et al. Atropine for the treatment of childhood myopia:safety and efficacy of 0.5%, 0.1%, and 0.01% doses (Atropine for the Treatment of Myopia 2)[J]. Ophthalmology, 2012, 119(2):347-354.
19.	Gallego P, Martínez-García C, Pérez-Merino P, et al. Scleral changes induced by atropine in chicks as an experimental model of myopia[J]. Ophthalmic Physiol Opt, 2012, 32(6):478-484.
20.	李涛, 周晓东, 陈志, 等. 消旋山莨菪碱(0.05%)防治近视的临床观察[J]. 中国眼耳鼻喉科杂志, 2013, 13(1):27-30.

1. He M, Zeng J, Liu Y, et al. Refractive error and visual impairment in urban children in southern China[J]. Invest Ophthalmol Vis Sci, 2004, 45(3):793-799.
2. 秦丽娜. 北京市西城区9~14岁青少年屈光状态及结构分析[J]. 中国学校卫生, 2009, 30(9):786-788.
3. 季成叶. 中国学生视力不良和疑似近视流行的动态分析[J]. 中国学校卫生, 2008, 29(8):677-680.
4. 赵璐, 游志鹏. 高度近视合并脉络膜脱离型视网膜脱离相关因素分析[J]. 眼科新进展, 2011, 31(6):565-567.
5. Mutti DO, Hayes JR, Mitchell GL, et al. Refractive error, axial length, and relative peripheral refractive error before and after the onset of myopia[J]. Invest Ophthalmol Vis Sci, 2007, 48(6):2510-2519.
6. Yip SP, Li CC, Yiu WC, et al. A novel missense mutation in the NYX gene associated with high myopia[J]. Ophthalmic Physiol Opt, 2013, 33(3):346-353.
7. Guggenheim JA, Pong-Wong R, Haley CS, et al. Correlations in refractive errors between siblings in the Singapore Cohort Study of Risk factors for Myopia[J]. Br J Ophthalmol, 2007, 91(6):781-784.
8. Wang J, Wang PF, Gao Y, et al. High myopia is not associated with single nucleotide polymorphisms in the COL2A1 gene in the Chinese population[J]. Mol Med Rep, 2012, 5(1):133-137.
9. Charman WN, Radhakrishnan H. Peripheral refraction and the development of refractive error:a review[J]. Ophthalmic Physiol Opt, 2010, 30(4):321-338.
10. Wallman J, Winawer J. Homeostasis of eye growth and the question of myopia[J]. Neuron, 2004, 43(4):447-468.
11. 甘世斌, 黄杜茹. 青少年视频终端性视疲劳的分析与健康干预[J]. 眼外伤职业眼病杂志, 2006, 28(6):431-432.
12. Charm J, Cho P. High myopia-partial reduction ortho-k:a 2-year randomized study[J]. Optom Vis Sci, 2013, 90(6):530-539.
13. 兰文, 陆燕, 杨丽萍, 等. 夜戴型角膜塑形镜矫正及控制近视发展的临床分析[J]. 医学研究生学报, 2012, 25(10):1061-1064.
14. Chen C, Cheung SW, Cho P. Myopia control using toric orthokeratology (TO-SEE study)[J]. Invest Ophthalmol Vis Sci, 2013, 54(10):6510-6517.
15. Katz J, Schein OD, Levy B, et al. A randomized trial of rigid gas permeable contact lenses to reduce progression of children's myopia[J]. Am J Ophthalmol, 2003, 136(1):82-90.
16. Grosvenor T, Perrigin D, Perrigin J, et al. Rigid gas-permeable contact lenses for myopia control:effects of discontinuation of lens wear[J]. Optom Vis Sci, 1991, 68(5):385-389.
17. Hartwig A, Charman WN, Radhakrishnan H. Accommodative response to peripheral stimuli in myopes and emmetropes[J]. Ophthalmic Physiol Opt, 2011, 31(1):91-99.
18. Chia A, Chua WH, Cheung YB, et al. Atropine for the treatment of childhood myopia:safety and efficacy of 0.5%, 0.1%, and 0.01% doses (Atropine for the Treatment of Myopia 2)[J]. Ophthalmology, 2012, 119(2):347-354.
19. Gallego P, Martínez-García C, Pérez-Merino P, et al. Scleral changes induced by atropine in chicks as an experimental model of myopia[J]. Ophthalmic Physiol Opt, 2012, 32(6):478-484.
20. 李涛, 周晓东, 陈志, 等. 消旋山莨菪碱(0.05%)防治近视的临床观察[J]. 中国眼耳鼻喉科杂志, 2013, 13(1):27-30.

West China Medical Journal

The Comparative Analysis of Myopic Development in Different-aged Youngsters

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