Myopia, High, With Cataract and Anterior Capsule Polished Clinical Trial
Official title:
The Influences of 360° Anterior Capsule Polishing on Refraction, Anterior Capsular Opening Size and IOL Stability Among Super High Myopia Patients
| Verified date | May 2017 |
| Source | Wenzhou Medical University |
| Contact | n/a |
| Is FDA regulated | No |
| Health authority | |
| Study type | Interventional |
A prospective study included 20 patients with super high myopia who underwent bilateral uneventful cataract. 360°anterior capsule polishing was performed with double-ended capsule polisher randomly in one eye, and the opposite unpolished was used as the control. The refractive state and size of anterior opening were measured at postoperative 1 day as the baseline. Then they followed up at 1 month, 3 months and 6 months after surgery to record refractive state, higher-order aberrations, size of anterior opening, tilt and decentration of IOL (intraocular lenses)and PAD(postoperative aqueous depth). The paired t test was used to compare the differences between the two groups, and the same test the postoperative follow-up comparing with the baseline.
| Status | Completed |
| Enrollment | 20 |
| Est. completion date | July 31, 2016 |
| Est. primary completion date | July 1, 2015 |
| Accepts healthy volunteers | Accepts Healthy Volunteers |
| Gender | All |
| Age group | 50 Years to 70 Years |
| Eligibility | Inclusion Criteria:cataract patients with super high myopia (axial length >27mm) and difference of binocular was less than 1mm Exclusion Criteria:larger corneal astigmatism need toric intraocular lens; patients with any systemic or ocular diseases that may influence the anterior capsule opening morphologic, such as keratonosus, glaucoma, uveitis, Pseudoexfoliation syndrome, retinitis pigmentosa and diabetes and Myotonic Dystrophy, etc.; patients with ophthalmic surgery and trauma history. |
| Country | Name | City | State |
|---|---|---|---|
| n/a | |||
| Lead Sponsor | Collaborator |
|---|---|
| yin ying zhao |
| Type | Measure | Description | Time frame | Safety issue |
|---|---|---|---|---|
| Primary | refraction | refractive state | Change from postoperative 1 day to 1 months | |
| Primary | anterior opening size | area,diameter | Change from postoperative 1 day to 1 months | |
| Primary | Stability of IOL | Tilt and Decentration | Change from postoperative 1 months to 3 months | |
| Secondary | refraction | refractive state | Change from postoperative 1 month to 3 months | |
| Secondary | refraction | refractive state | Change from postoperative 3 month to 6 months | |
| Secondary | anterior opening size | area,diameter | Change from postoperative 1 month to 3 months | |
| Secondary | anterior opening size | area,diameter | Change from postoperative 3 month to 6 months | |
| Secondary | Stability of IOL | Tilt and Decentration | Change from postoperative 3 month to 6 months |