Ametropia
Conditions
Interventions
Axial myopia A group:None
Axial myopia C group:None
Axial myopia B group:None
Curvature-induced myopia group:None
Non-refractive error group:None
Sponsors
Qingdao Eye Hospital of Shandong First Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1.Subjectively willing to undergo myopia correction surgery; 2.Equivalent spherical power ranges from -3.00DS to -8.00DS.
Exclusion criteria
Exclusion criteria: 1.Presence of other ocular pathologies, such as glaucoma, retinal diseases, uveitis, or optic nerve disorders. 2.History of prior ocular surgery or trauma. 3.Diagnosis of systemic diseases that may affect vasculature (e.g., uncontrolled hypertension, diabetes mellitus). 4.High myopia (spherical equivalent > -8.00 D) or pathologic myopia (e.g., presence of posterior staphyloma, chorioretinal atrophy). 5.Pregnant or lactating women. 6.Regular use of medications known to affect the circulatory system (e.g., systemic antihypertensives, vasodilators, vasoconstrictors).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Choroidal capillary blood flow density;Choroidal thickness;Choroidal Vascular Index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Equivalent Spherical Aberration;BCVA; | — |
Countries
China
Contacts
Public ContactCHEN ZHENGYU
Qingdao Eye Hospital of Shandong First Medical University
Outcome results
None listed