Inclusion Criteria:  Age 18~65, male or female; Refractive ranges from -6.00d to -25.00d; The axial length of the operative eye was 26-32mm; Macular cleavage 200-1000μm; Corrected visual acuity of the operative eye < 0.3; Able to understand the purpose of the test, voluntarily participate and sign the informed consent form.  Exclusion Criteria:  Known allergy to silica gel and patients with scar constitution; Ocular inflammation; Fundus hemorrhage; Macular hole; Macular cleavage of the contralateral eye greater than 200μm; Corrected visual acuity of contralateral eye < 0.4; Opacity of the refractive medium; Eye tumor; History of hyperthyroidism; Other ophthalmic concomitant diseases that cannot be controlled, such as diabetic retinopathy, hypertensive fundus lesions, optic nerve atrophy, etc.; Severe impairment of liver and kidney function and/or severe systemic diseases (such as cardiovascular, respiratory, digestive, nervous, endocrine, genitourinary, etc., depending on the tolerance of surgery); Women who are pregnant (determined by a blood pregnancy test at the first visit), who are preparing for pregnancy during the test, and who are breastfeeding; a history of drug abuse or alcohol abuse; participate in other drug or medical device clinical trials within 30 days prior to the screening of this clinical trial; Any condition of the subject that the study physician considers to be an impediment to the clinical trial (e.g. subject's susceptibility to mental stress, uncontrollable mood, depression, etc.); Poor compliance of the subject, unable to complete the test process as required.