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Numerical models of the cornea and OK lens with different corneal refractive powers and myopia degrees were established to analyze features and differences of the spatial displacement and stress distribution in different areas of the anterior corneal surface by finite element method. Displacement distributions on the anterior cornea surface with refractive powers of 39.5, 43, 46 D, and myopia degrees of \u22121.0, \u22123.0, \u22126.0 D demonstrate similar deformation trends and nearly rotationally symmetrical attributes of different corneal parameters. Displacement of mid\u2010peripheral cornea was significantly high compared with that of the central and peripheral cornea, peaking at ~2.4\u2009mm off the corneal apex. The stress increased with the increase in myopia degrees and was significantly large for the myopia degrees of \u22126.0 D at S1; the stress at S2 and S6 was low and stable and did not differ much at S3; the stress at S4 and S5, however, was extremely high. In summary, simulation result of orthokeratology can effectively evaluate the performance of OK lens and it properly associates with the differential map of the corneal topography. The base curve of the OK lens may also play a role in mid\u2010peripheral corneal steepening. The design around the OK lens' alignment curve needs to be optimized.<\/jats:p>","DOI":"10.1002\/cnm.3691","type":"journal-article","created":{"date-parts":[[2023,2,17]],"date-time":"2023-02-17T08:21:12Z","timestamp":1676622072000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Biomechanical study of cornea response under orthokeratology lens therapy: A finite element analysis"],"prefix":"10.1002","volume":"39","author":[{"given":"Gai\u2010Ping","family":"Zhao","sequence":"first","affiliation":[{"name":"School of Health Science and Engineering University of Shanghai for Science and Technology  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hai\u2010Tao","family":"Zhai","sequence":"additional","affiliation":[{"name":"School of Health Science and Engineering University of Shanghai for Science and Technology  Shanghai 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