A Phase II Clinical Trial to Evaluate the Efficacy and Safety of ZKY001 Eye Drops

Inclusion Criteria: 1. Age of 18-40 years old, regardless of gender; 2. Plan TPRK for myopia and/or myopic astigmatism, meet the indications for TPRK, and set the ablation diameter of the optical zone at 6.0-6.5 mm; 3. Schirmer test I ≥10mm/5min; Exclusion Criteria: 1. prior corneal refractive surgery or keratoplasty; 2. Contraindications to TPRK surgery, including severe ocular surface disease that may affect the corneal epithelium, active ocular inflammation, moderate to severe dry eye, keratoconus or other types of corneal ectasia, thin corneas, severe lesions of ocular appendages (such as eyelid defects, deformations, etc.), glaucoma, cataract that affects vision, History of systemic immune diseases (systemic lupus erythematosus, rheumatoid arthritis, multiple sclerosis, etc.); 3. incomplete eyelid closure; 4. corneal degeneration, corneal stroma or endothelial damage or malnutrition;