[1] [1] HOLDEN B A, FRICKE T R, WILSON D A, et al. Global prevalence of myopia and high myopia and temporal trends from 2000 through 2050[J]. Ophthalmology, 2016, 123(5): 1036-1042.

[2] [2] FLITCROFT, DANIEL I H, JONAS M J, et al. IMI - Defining and classifying myopia: a proposed set of standards for clinical and epidemiologic studies[J]. Investigative Ophthalmology & Visual Science, 2019, 60(3): M20-M30.

[3] [3] BRIEN A H, SILVIO P M, IVO K, et al. The impact of myopia and high myopia[C]// Report of the Joint World Health Organization–Brien Holden Vision Institute Global Scientific Meeting on Myopia. Switzerland: World Health Organization, 2015.

[9] [9] EFRON N. Grading scales for contact lens complications[J]. Ophthalmic and Physiological Optics, 1998, 18(2): 182-186.

[10] [10] LUO M, MA S S, LIANG N. Clinical efficacy of toric orthokeratology in myopic adolescent with moderate to high astigmatism[J]. Eye Science, 2014, 29(4): 209-213, 218.

[23] [23] NIETO B A, GONZáLEZ M A, NIETO BONA M P, et al. Short-term effects of overnight orthokeratology on corneal cell morphology and corneal thickness[J]. Cornea, 2011, 30(6): 646-654.