Diabetic Retinopathy Patients After Vitrectomy
Conditions
Keywords
cataract, higher order aberration,vitrectomy,diabetic retinopathy
Brief summary
Comparison of the visual quality of traditional ultrasound biometrics and lenstar on the cataract patients with diabetic retinopathy after vitrectomy in the 3 months later.To evaluate the clinical value of lenstar in post-vitrectomy patients.
Interventions
To evaluate the clinical feasibility of using a new optical coherence interferometry ( lenstar ),comparing with traditional ultrasonic biometry and keratometry in the accuracy and characteristics for intraocular lens calculation of cataract after PPV
To evaluate the clinical feasibility of using a new optical coherence interferometry ( lenstar ),comparing with traditional ultrasonic biometry and keratometry in the accuracy and characteristics for intraocular lens calculation of cataract after PPV
Sponsors
Study design
Eligibility
Inclusion criteria
1. Patients with cataract after vitrectomy because of diabetic retinopathy. 2. Patients with good fixation in order to cooperate with various examination.
Exclusion criteria
1. Myopia of \>6 diopters 2. Ocular trauma and other eye disease accepted vitrectomy,such as branch retinal vein occlusion(BRVO),central retinal vein occlusion(CRVO). 3. Vision acuity \<0.1 4. Silicone oil eye
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| the visual quality of the eye after surgery | one month | the visual quality of the eye after surgery through optical path difference scan(OPD Scan) |
Countries
China