Progressive high myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years old, gender is not limited; 2. Progressive high myopia, target eye equivalent spherical lens =27mm, and continuous progression of myopia within the last year; 3. Best-corrected visual acuity > 0.2 in the target eye; 4. The patient or guardian voluntarily participates in this trial and signs an informed consent form.
Exclusion criteria
Exclusion criteria: 1. A clear history of ocular trauma or ophthalmic surgery within the past 6 months; 2. Non-axial myopia such as simple myopia, curvature myopia, exponential myopia, and myopia caused by other syndromes such as Marfan syndrome, Stickler syndrome, etc. 3. Severe fundus lesions such as macular retinoschisis, hole and retinal detachment secondary to progressive high myopia; (4) combined with glaucoma, keratoconus, congenital ptosis and other eye diseases; 5. Acute or chronic inflammation or tumor of the eyeball or its surrounding tissue; 6. Systemic diseases such as leukemia, collagen disease, diabetic retinopathy, nephrotic retinopathy, uncontrolled hypertension; 7. Severe allergic constitution or intolerance to anesthetic drugs; 8. Women who are pregnant, planning to become pregnant, or breastfeeding; 9. Participated in other clinical trials within the past 3 months; 10. Other conditions considered by the investigator to be unsuitable for participation in the trial, such as inability to receive complete follow-up, inability to cooperate with medical treatment due to mental and behavioral abnormalities, and history of previous eye surgery that may affect the trial results. If you meet any of the above criteria, you will not be enrolled.(YNMT)·
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The proportion of effective axial length control at 12 months after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| Axial length change index; | — |
Countries
China
Contacts
The Eye and Optometry Hospital affiliated to Wenzhou Medical University