High Myopia
Conditions
Interventions
Implantation of Implantable Collamer Lens (ICL V4c) Group:NA
Sponsors
The Second Affiliated Hospital, School of Medicine, Zhejiang University
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1. Age between 18 and 50 years, with no gender limitation; 2. Stable refractive status (annual refractive change less than 0.50 diopters over the past two years); 3. Scheduled to undergo ICL V4c implantation, having completed a comprehensive preoperative evaluation and meeting all surgical indications; 4. No significant fundus pathology and normal ocular anatomical development; 5. Able to comply with the scheduled preoperative and postoperative examination protocols and has signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Individuals with a history of or currently suffering from any serious clinical disorders affecting the circulatory, endocrine, neurological, gastrointestinal, respiratory, hematologic, immunologic, psychiatric, or metabolic systems, or any other conditions that may interfere with study outcomes; 2. Patients with active ocular infections or those undergoing anti-inflammatory treatments; 3. Pregnant or breastfeeding women; 4. Individuals with severe psychological or cognitive impairments that prevent understanding of study requirements or provision of informed consent; 5. Subjects who, for any other reason, are deemed unsuitable for study participation by the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Retinal Thickness;Vessel Density;Choroidal Vascularity Index (CVI);Choroidal Thickness (CT);Vault;ICL Location;Higher Order Aberrations; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual Acuity Test;Intraocular Pressure (IOP); | — |
Countries
China
Contacts
Public ContactHan Wei
The Second Affiliated Hospital, School of Medicine, Zhejiang University
Outcome results
None listed