1. Rates of Myopia Development in Young Chinese Schoolchildren During the Outbreak of COVID-19. Hu Y, Zhao F, Ding X, Zhang S, Li Z, Guo Y, Feng Z, Tang X, Li Q, Guo L, Lu C, Yang X, He M.JAMA Ophthalmol. 2021 Oct 1;139(10):1115-1121. doi: 10.1001/jamaophthalmol.2021.3563.PMID: 34529002 2. Comparison of Myopic Progression before, during, and after COVID-19 Lockdown. Chang P, Zhang B, Lin L, Chen R, Chen S, Zhao Y, Qu J.Ophthalmology. 2021 Nov;128(11):1655-1657. doi: 10.1016/j.ophtha.2021.03.029. Epub 2021 Mar 23. 3. Myopia incidence and lifestyle changes among school children during the COVID-19 pandemic: a population-based prospective study. Zhang X, Cheung SSL, Chan HN, Zhang Y, Wang YM, Yip BH, Kam KW, Yu M, Cheng CY, Young AL, Kwan MYW, Ip P, Chong KK, Tham CC, Chen LJ, Pang CP, Yam JCS.Br J Ophthalmol. 2022 Dec;106(12):1772-1778. doi: 10.1136/bjophthalmol-2021-319307. Epub 2021 Aug 2. 4. Zhou W-J, Zhang Y-Y, Li H, et al. Five-year progression of refrac¬tive errors and incidence of myopia in school-aged children in western China. J Epidemiol. 2016;26:386-395. 5. Chua SYL, Sabanayagam C, Cheung Y-B, et al. Age of onset of myopia predicts risk of high myopia in later childhood in myopic Singapore children. Ophthalmic Physiol Opt. 2016;36:388-394. 6. Fan DSP, Lam DSC, Lam RF, et al. Prevalence, incidence, and progression of myopia of school children in Hong Kong. Invest Ophthalmol Vis Sci. 2004;45:1071-1075. 7. Has near work's star fallen? Mutti DO, Zadnik K.Optom Vis Sci. 2009 Feb;86(2):76-8. doi: 10.1097/OPX.0b013e31819974ae. 8. A review of environmental risk factors for myopia during early life, childhood and adolescence. Ramamurthy D, Lin Chua SY, Saw SM. 9. Associations between near work, outdoor activity, and myopia among adolescent students in rural China: the Xichang Pediatric Refractive Error Study report no. 2. Lu B, Congdon N, Liu X, Choi K, Lam DS, Zhang M, Zheng M, Zhou Z, Li L, Liu X, Sharma A, Song Y.Arch Ophthalmol. 2009 Jun;127(6):769-75. doi: 10.1001/archophthalmol.2009.105.