Comparison of the Visual Quality of Traditional Ultrasound Biometrics and Lenstar on the Cataract After Pars Plana Vitrectomy

Comparison of the Visual Quality of Traditional Ultrasound Biometrics and Lenstar on the Cataract After Pars Plana Vitrectomy

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.

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