Dr. Ip is the Chief of the Vitreoretinal Surgery Service at the Doheny Eye Centers, UCLA. His practice concentrates on the surgical management of complex retinal detachment, complications of diabetic retinopathy, macular holes, epiretinal membranes and other vitreoretinal diseases amenable to surgical intervention. In addition, he has served as the National Director for numerous NIH-funded ophthalmic clinical trials.