cataract
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Subjects with clear cognitive ability; 2. For those patients with cataract and presbyopia, corneal astigmatism 2.5mm, dark vision < 6.0mm; Kappa angle < 0.5 mm; 5. According to emery little grading system, the patients with binocular nuclear hardness grade I-IV had a smooth operation without complications, such as posterior capsule rupture.
Exclusion criteria
Exclusion criteria: 1. Subjects with history of internal eye surgery and ocular trauma. 2. Patients with keratopathy, glaucoma and chronic recurrent uveitis. 3. Diabetic retinopathy, age-related macular degeneration, occult macular degeneration, optic neuropathy. 4. Subjects with obvious ametropia, such as myopia greater than - 6.0d, hyperopia greater than + 5.0d; Corneal astigmatism > 0.75D. 5. In the subjects with loose ciliary body suspensory ligament and capsulorhexis radius greater than 5.5mm, the capsular bag was broken, the intraocular lens was not in the center, the posterior capsular incision was performed in the patients with posterior cataract and other ocular complications.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vision and optometry intraocular pressure;Defocus curve;Wavefront aberration and MTF curve; | — |
Countries
China
Contacts
Shenyang Aier Excellence Eye Hospital