Comparison of IOL Formulas in Eyes With PCE≥15µm

Inclusion Criteria: * Meeting the indications for cataract surgery, and undergoing Phacoemulsification + IOL implantation performed by the same surgeon. * Preoperative biometry performed with IOLMaster 700 and Pentacam AXL, with a posterior corneal elevation greater than 15 μm within the central 5 mm zone on Scheimpflug imaging, and a central corneal thickness \> 500 μm. * Surgery completed successfully without any intraoperative or postoperative complications. * Postoperative subjective refraction performed at 1 month after surgery by the same experienced optometrist. Exclusion Criteria: * Patients with pterygium, corneal diseases, glaucoma, uveitis, or fundus diseases (such as macular edema, retinal detachment), excluding high myopia. * History of ocular trauma or previous intraocular surgery. * Occurrence of intraoperative or postoperative complications, such as iris injury, posterior capsule rupture, IOL dislocation, vitreous prolapse, or vitreous hemorrhage. * Postoperative best corrected visual acuity (BCVA) worse than 0.5. * Difference between postoperative subjective refraction and preoperative target refraction greater than 2.00 D. * Incomplete measurement data.