ALERT CONTENT PLACEHOLDER

About Us

Location

Toronto Western Hospital
East Wing – 6th Floor


Contact

Dr. Brian G. Ballios
Specialty – Medical Retina
Phone: 416 603 5444
Referral Fax: 416 603 5903

Dr. Robert Devenyi
Specialty – Surgical Retina
Phone: 416 603 5602
Referral Fax: 416 603 6473

Dr. Alexander Kaplan
Specialty – Medical Retina
Phone: 416 603 5444
Referral Fax: 416 603 5903

Dr. Efrem Mandelcorn
Specialty – Surgical Retina
Phone: 416 603 5418
Referral Fax: 416 603 5193

Dr. Mark Mandelcorn
Specialty – Surgical Retina
Phone: 416 603 5800 ext. 2249
Referral Fax: 416 603 5834

Hours

Dr. Brian G. Ballios
Friday
8:00 am – 3:30 pm

Dr. Robert Devenyi
Monday – Friday
8:30 am – 5:30 pm

Dr. Alexander Kaplan
Monday, Wednesday and Friday
8:00 am – 4:00 pm

Dr. Efrem Mandelcorn
Monday – Friday
8:30 am – 5:30 pm

Dr. Mark Mandelcorn
Monday – Friday
8:30 am – 3:00 pm

Location

Contact

Hours

Location

Contact

Hours

Location

Contact

Hours


Referrals

For urgent referrals, please fax a referral letter marked "urgent" to one of the retina specialists. Referring doctors and optometrists follow-up with a call to the retinal specialists office to let staff know an urgent referral has been faxed and to discuss the degree of urgency regarding a consultation and to arrange for a timely appointment.

Please note that only physicians or optometrists may send a referral. Please fax a referral letter to one of the retina specialists.

Our office will call the referring physician with information about the patient's first appointment. The referring physician's office is responsible for providing the patient with the appointment information, including time and location, and important documents, test results and imaging that they must bring.

Please note that clinic appointments may be virtual visits. The clinic team will let you know what type of appointment is appropriate for your care. Learn more about virtual visits at UHN »

What We Do

The Retina Clinic is the largest in North America, treating the highest volumes of macular degeneration, complex retinal detachments and diabetic retinopathy cases in Canada.

The retina is a thin layer of light sensitive cells that line the inside back wall of the eye. The retina is obviously crucial to good vision so if it's damaged, images received by the brain will be blurred, and the view won't be clear.

We provide specialized care for patients with:

  • Blinding retinal infections
  • Diabetic retinopathy
  • Macular degeneration
  • Retinal detachment

Tests & Services

  • Automated Visual Field Testing
  • OCT Test (Optical Coherence Tomography)
  • Retinal fluorescein angiography

How to Prepare

Appointments with the retina specialists can take a long time (1-4 hours). This is because of the need to dilate the eyes in order to assess the retina.

Learn more about what you can expect when you have a clinic appointment.​

Health Information

Materials and Resources to Help You

Visit our health information section.

Our Team

Meet Our Team

The Retina Clinic relies on a team of highly trained ophthalmologists and surgeons who specialize in the eye.

Medical Director: Dr. Robert Devenyi

Staff Physicians or Specialists

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