如果居家场所不能满足以上居家隔离场所要求的，应服从安排，前往居住地政府提供的观察场所进行隔离观察。

二十一、三级预检分诊是什么？一级预检分诊：“两查一看一测一问”防控措施（查入院人员的健康码行程码、查疫苗接种记录；看是否佩戴口罩；测体温；问是否有中高风险地区旅居史）；不能排除罹患新冠肺炎等传染病的患者，立即安排专人（做好防护）按照指定路线引导至临时隔离观察室，并及时联系车辆转至定点医院就诊。

作者简介范玉琢北京大学人民医院眼视光专业硕士研究生在读，师从北京大学人民医院眼视光中心主任医师王凯教授参考文献：[1] I.G. Morgan, A.N. French, R.S. Ashby, X. Guo, X. Ding, M. He, et al., The epidemics of myopia: Aetiology and prevention, Prog Retin Eye Res 62 134-149.[2] C. Connie, C. Sin Wan, C. Pauline, Myopia control using toric orthokeratology , Invest Ophthalmol Vis Sci 54 6510-6517.[3] S. Yuan, X. Fan, Z. Ting, L. Manli, W. Danyang, C. Yile, et al., Orthokeratology to control myopia progression: a meta-analysis, Plos One 10 .[4] H. Takahiro, K. Tetsuhiko, O. Fumiki, T. Hideto, O. Tetsuro, Long-term effect of overnight orthokeratology on axial length elongation in childhood myopia: a 5-year follow-up study, Invest Ophthalmol Vis Sci 53 3913-3919.[5] M.J. Lipson , M. M. Brooks , and B. H. Koffler, The Role of Orthokeratology in Myopia Control. Eye & Contact Lens Science & Clinical Practice 44.4:224-230.[6] Smith EL 3rd, Hung LF, Huang J, Relative peripheral hyperopic defocus alters central refractive development in infant monkeys. Vision Res 49):2386-2392.[7] M.A. Bullimore, L.T. Sinnott, L.A. Jones-jordan, The risk of microbial keratitis with overnight corneal reshaping lenses. Optom Vis Sci 90:937-944[8] H.A. Swarbrick, Orthokeratology review and update, Clin Exp Optom 89 124-143.[9] P Cho, Q Tan, Myopia and orthokeratology for myopia control. Clin Exp Optom. 102:364‐377.[10] Y.C. Lee, J.H. Wang, C.J. Chiu, Effect of Orthokeratology on myopia progression: twelve-year results of a retrospective cohort study. BMC Ophthalmol. 17:243.【二】怎样区分近视镜片和远视镜片答：远视眼镜是凸透镜，用来提高近视力，看近戴；近视眼镜是凹透镜，用来提高远视力，看远戴。