Characteristics of disk halo size and its correlation with lenticule quality in small incision lenticule extraction for moderate to high myopia.

"Declarations Ethics approval and consent to participate All procedures performed in studies involving human participants were in accordance with the ethical standards of the Fudan University Eye and the ENT Hospital Review Board (Shanghai, China) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All subjects gave written informed consent. The registration number is ChiCTR1800017594. Consent for publicationNot applicable. Conflict of interestsThe authors declare no competing interests. Conflict of interests The authors declare no competing interests."

"Funding This study was funded by Shanghai Sailing Program (Grant No.20YF1405200) The National Natural Science Foundation of China (Grant No.82000932) The National Natural Science Foundation of China (Grant No.82271119) The Project of Shanghai Science and Technology (Grant No.20410710100) The Project of Shanghai Science and Technology (Grant No.21Y11909800) The Clinical Research Plan of SHDC (Grant No.SHDC2020CR1043B) The Project of Shanghai Xuhui District Science and Technology (XHLHGG202104) Shanghai Engineering Research Center of Laser and Autostereoscopic 3D for Vision Care (20DZ2255000) Construction of a 3D digital intelligent prevention and control platform for the whole life cycle of highly myopic patients in the Yangtze River Delta (21002411600)"

"This prospective study consecutively recruited 30 eyes in 30 patients with myopia or myopic astigmatism (5 males and 25 females) aged 24.9 ± 4.5 years (18–35 years) who underwent SMILE surgery. All patients underwent routine preoperative examinations to exclude surgical contraindications. The preoperative corrected distance visual acuity (CDVA) was 20/20 or better in all patients, and no patients manifested ocular or systemic conditions. This research adhered to the tenets of the Declaration of Helsinki and was approved by the Institutional Review Board of the Eye & ENT Hospital of the Fudan University (registration number: ChiCTR1800017594). All participants provided written informed consent prior to participation."