High myopia
Conditions
Interventions
1:Binocular surgery to implant ICL
Sponsors
Shenyang Aier Excellence Eye Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1. Have a clear cognitive ability; 2. The patient himself has a desire to improve the refractive state through the implantation of a phakic posterior chamber intraocular lens, and has reasonable expectations for the efficacy of the operation. 3. Aged 18~45 years; 4. Myopia or patients with astigmatism; 5. Corneal endothelial cell count >= 2,000 cells/mm2, stable cell morphology; 6. Generally require anterior chamber depth >= 2.80 mm (refractive posterior chamber intraocular lens) The anterior chamber depth is required to be >= 2.60 mm) and the angle of the chamber is open; 7. There are no other eye diseases that significantly affect vision and/or systemic organic diseases that affect surgical recovery. 8. The operation process went smoothly without complications, such as high intraocular pressure after surgery.
Exclusion criteria
Exclusion criteria: 1. Absolute contraindications Those who have any of the following conditions cannot undergo surgery: (1)Keratoconus or other corneal dilatation changes are not stable status; (2)Corneal endothelial dystrophy; (3)Severe dry eye; (4)Active eye disease or infection; (5)Severe ocular adnexal disease, such as eyelid defect and deformation, severe eyelid closure; (6)glaucoma; (7)cataract; (8)Fundus diseases that significantly affect vision; (9)Severe anxiety, depression and other psychological and mental illnesses; (10)Diseases that cannot cooperate with examinations and surgery, such as epilepsy, hysteria, etc.; (11)Severe hyperthyroidism and exophthalmos and the condition is not yet stable. 2. Relative contraindications (1) The diopter is unstable (the diopter changes every 2 years in 1.00 D or above); (2) Ciliary body that affects the positioning of astigmatism correction intraocular lens Cyst (3) Treated and stable fundus diseases, such as retinal detachment, Macular disease, etc.; (4) In the preoperative visual function examination, the visual function parameters were found to be significantly different, including adjustment, aggregation and other parameters that affect the effect of surgery; (5) Pregnancy and postpartum lactation; (6) Existence of systemic connective tissue disease or autoimmune disease, such as systemic lupus erythematosus, rheumatoid arthritis, multiple sclerosis and so on. 3. The patient asked to withdraw from the experiment halfway.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 5m,80cm,40cm UCVA;5m,80cm,40cm BCVA;Contrast sensitivity;Binocular stereopsis;Binocular Fusion; | — |
Countries
China
Contacts
Public ContactTang Kaili
Shenyang Aier Excellence Eye Hospital
Outcome results
None listed