Diabetic Retinopathy Vitrectomy Study (DRVS)

Launched by NATIONAL EYE INSTITUTE (NEI) · Sep 23, 1999

Keywords

ClinConnect Summary

Vitrectomy may not only remove vitreous hemorrhage but also prevent or relieve traction on the retina from contraction of the fibrovascular membranes that characterize severe proliferative diabetic retinopathy. It is important to determine whether early intervention with vitrectomy has a better visual outcome or instead produces a rate of serious complications higher than the rate associated with conventional management.

Two randomized trials were carried out in the DRVS among patients ages 18 to 70 years who had either insulin-dependent or non-insulin-dependent diabetes. In the first tria...

Gender

ALL

Eligibility criteria

• • Men and women eligible for the vitreous hemorrhage group had at least one eye with recent severe vitreous hemorrhage (within 5 months) and visual acuity of 5/200 or less. Patients eligible for the "very severe proliferative retinopathy with useful vision" group had extensive active fibrovascular proliferations and visual acuity of 10/200 or better.