Peter J.G. Maris Jr., M.D.

Cataract, Cornea and Glaucoma Surgery

 Assistant Clinical Professor of Ophthalmology
Columbia University College of Physicians & Surgeons

Dr. Maris specializes in treating cataracts, advanced glaucoma, and cornea / external diseases.  He has extensive experience performing the following anterior-segment surgical procedures:

  • Cataract Surgery (including premium intraocular lens surgery and femtosecond laser-assisted cataract surgery)
  • Incisional Glaucoma Surgery (Trabeculectomy)
  • Glaucoma Drainage Device (GDD) Surgery (Ahmed and Baerveldt implants)
  • Minimally Invasive Glaucoma Surgery (MIGS)
  • Full-Thickness Corneal Transplantation (Penetrating Keratoplasty)
  • Partial-Thickness Corneal Transplantation (Descemet’s Stripping Automated Endothelial Keratoplasty)
  • Sutured Intraocular Lenses (IOL’s)
  • Ocular Surface Procedures

Robert Lopez, M.D.

Macular Disease and Vitreoretinal Surgery  

Clinical Professor of Ophthalmology 
Columbia University College of Physicians & Surgeons 

Dr. Lopez specializes in treating both medical retinal and surgical retinal conditions.  He has extensive experience treating a wide variety of posterior-segment pathology, including:

  • Macular Degeneration
  • Diabetic Retinopathy
  • Vitreoretinal Interface Disorders
  • Retinal Vascular Disease
  • Retinal Tears and Holes
  • Uveitis

His commonly performed posterior-segment surgical procedures include:

  • Retinal Detachment Repair
  • Pars Plana Vitrectomy with Endolaser
  • Macular Hole Repair
  • Epiretinal Membrane Peeling
  • Sutured Intraocular Lenses (IOL’s)
  • Managing Surgical Complications