About
Dr. Jeffrey Matthew Mah is a dedicated Ophthalmologist, committed to providing exceptional medical and surgical eye care to patients of all ages. Practicing at The Ottawa Hospital in Toronto, ON, he is a trusted provider of specialized eye care in the community. His practice adheres strictly to the standards set by the College of Physicians and Surgeons of Ontario (CPSO). As a skilled ophthalmologist, he offers comprehensive medical and surgical eye care, including the diagnosis and treatment of a wide range of eye diseases and vision problems. The clinic provides a full spectrum of eye care services, from routine vision checks to advanced surgical procedures, in a patient-friendly setting.
Dr. Mah graduated with a Medical Degree from Queen's University in Canada. He has been practicing as an Ophthalmologist since 2024. He is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO). His training and certifications ensure that he remains at the forefront of ophthalmological advancements, providing patients with the latest and most effective treatments.
His professional philosophy centers on preserving and improving vision through compassionate, state-of-the-art eye care. Dr. Mah is committed to educating his patients about their eye health and involving them in all treatment decisions. He utilizes advanced diagnostic and therapeutic technologies for precise and effective treatments. With a focus on early detection and management of eye diseases, he aims to prevent vision loss and enhance quality of life. He values collaborative care with other healthcare professionals to ensure comprehensive patient well-being. All communication and care are provided in English, emphasizing clarity and patient comfort.
Dr. Jeffrey Mah provides expert diagnosis and management for a wide range of eye conditions, including:
Refractive Errors and Vision Correction
Dr. Mah addresses management of nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and presbyopia (age-related farsightedness).
- Myopia (Nearsightedness): A condition where distant objects appear blurry because the eye focuses images in front of the retina instead of on the retina.
- Astigmatism: An imperfection in the curvature of the eye's cornea or lens, causing blurred or distorted vision at all distances.
- Presbyopia: A natural part of the aging process of the eye.
Cataracts and Lens Disorders
Dr. Mah addresses a leading cause of reversible vision impairment, especially in older adults.
- Congenital or Pediatric Cataracts: Clouding of the lens present at birth or developing in early childhood.
- Age-Related Cataracts: Clouding of the eye's natural lens that occurs as part of the aging process, leading to blurry vision, glare, and difficulty seeing at night.
- Dislocated Intraocular Lens (IOL) or Natural Lens: Malposition of an implanted artificial lens or the eye's natural lens, often due to trauma or zonular weakness.
Glaucoma Management
Dr. Mah addresses a group of eye diseases that damage the optic nerve, often characterized by increased intraocular pressure, leading to progressive, irreversible vision loss.
- Secondary Glaucoma (e.g., due to trauma, inflammation, steroids): Glaucoma that develops as a result of another medical condition, eye injury, medication use (like steroids), or previous eye surgery.
- Congenital or Childhood Glaucoma: A rare form of glaucoma occurring in infants and young children due to abnormal development of the eye's drainage system.
- Normal-Tension Glaucoma: Diagnosis can be challenging.
This list is not exhaustive. For a comprehensive evaluation of your eye health, a consultation with Dr. Jeffrey Mah is necessary.
- YAG Laser Capsulotomy (for Secondary Cataract): Restores clear vision by creating an opening in the clouded lens capsule.
- Medical Management of Glaucoma (Prescription Eye Drops): Regular follow-up to assess treatment efficacy and side effects.
- Comprehensive Adult and Pediatric Eye Examinations: Includes refraction for glasses/contacts, intraocular pressure measurement, and dilated fundus examination.
- Laser Treatments for Glaucoma (SLT, LPI, Cyclophotocoagulation): Laser Peripheral Iridotomy (LPI) for angle-closure glaucoma.
- Glaucoma Screening, Diagnosis, and Monitoring: Comprehensive testing for glaucoma including intraocular pressure measurement, optic nerve imaging (OCT), visual field testing, and gonioscopy.
- Diagnosis and Management of Common Eye Conditions: Referral to subspecialists when necessary for complex conditions.
Note: This list provides an overview. Specific treatments are determined after a thorough eye examination and consultation with Dr. Mah.
All ophthalmology services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant Canadian Ophthalmological Society (COS) and relevant subspecialty guidelines. A referral from a physician or optometrist may be required for consultation.
Dr. Mah's practice is situated within The Ottawa Hospital in Toronto's vibrant Garden District, Ryerson neighborhood. The clinic is conveniently located near the Distillery District, providing easy access via public transportation, including TTC subway, streetcar, and bus routes. The eye clinic is designed to be accessible and comfortable for all patients, offering a welcoming environment for comprehensive eye care. On-site or nearby public parking is generally available, ensuring convenient access for patients seeking expert ophthalmological services in Toronto.
- What are some common eye conditions treated by Dr. Mah?
- As an Ophthalmologist, Dr. Mah manages numerous eye problems. These frequently include prescribing glasses/contacts, performing cataract surgery, treating glaucoma with medications or lasers, managing retinal issues like macular degeneration and diabetic eye disease, and addressing infections or inflammations of the eye. providing comprehensive medical and surgical eye care, including the diagnosis and treatment of a wide range of eye diseases and vision problems.
- Does Dr. Mah perform cataract surgery?
- Most Ophthalmologists, including Dr. Mah, are highly experienced in performing cataract surgery. This outpatient procedure is very effective in improving vision affected by cataracts. Dr. Mah would assess the severity of your cataracts and determine if surgery is the best course of action for you.
- Are services from Dr. Mah covered by provincial health insurance?
- Medically necessary services provided by an Ophthalmologist like Dr. Mah, such as the diagnosis and treatment of eye diseases (e.g., glaucoma, macular degeneration, diabetic retinopathy) and medically indicated surgeries (e.g., cataract surgery), are generally covered by your provincial health plan, Ontario Health Insurance Plan (OHIP). However, routine eye exams for adults of certain age groups without specific medical conditions, and procedures considered cosmetic (like elective refractive surgery or some eyelid procedures) are typically not covered. It's advisable to confirm coverage details with Dr. Mah's office or Ontario Health Insurance Plan (OHIP). Medically necessary eye exams and treatments for eye diseases like glaucoma or cataracts are typically covered by Ontario Health Insurance Plan (OHIP). Routine eye exams for glasses/contacts for adults (usually ages 19-64) may not be covered unless a specific medical condition affecting the eyes is present. Elective procedures such as cosmetic eyelid surgery or refractive laser surgery (LASIK/PRK) are generally not covered. It is recommended to verify coverage specifics with Dr. Mah's office or Ontario Health Insurance Plan (OHIP).
- What is the difference between an Ophthalmologist like Dr. Mah and an Optometrist?
- An Ophthalmologist like Dr. Mah is a medical doctor (MD/DO) who has completed medical school followed by residency training in ophthalmology. They are licensed to practice medicine and surgery, diagnose and treat all eye diseases, perform eye surgery, and prescribe medications, eyeglasses, and contact lenses. Optometrists (OD) are healthcare professionals who provide comprehensive eye care, including vision testing, prescribing corrective lenses, and diagnosing and managing certain eye abnormalities and diseases (scope varies by province/territory). They typically do not perform invasive surgery.
- Do I need a referral to see Dr. Mah?
- Yes, a referral from a family doctor or optometrist is generally necessary to see Dr. Mah for medical or surgical eye conditions covered by Ontario Health Insurance Plan (OHIP). This helps coordinate your care effectively. If you have an urgent eye problem, contact Dr. Mah's office or seek emergency eye care as appropriate, as referral requirements may differ in emergencies. Please have your doctor's office or optometrist contact Dr. Mah's clinic for referral instructions.
- How does Dr. Mah treat glaucoma?
- Dr. Mah manages glaucoma with the goal of lowering intraocular pressure to prevent further optic nerve damage. Treatment options may include prescription eye drops, laser therapy (like SLT or LPI), or surgical procedures such as trabeculectomy, glaucoma drainage devices, or Minimally Invasive Glaucoma Surgery (MIGS). The specific approach depends on the type and severity of glaucoma.
The Ottawa Hospital
30 Bond Street, Department of Urology General Campus
Toronto, ON M5B 1W8
Office Phone: (519) 546-2101
Dr. Mah is a licensed Ophthalmologist regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from a family physician or optometrist may be required for a consultation with Dr. Mah, particularly for services covered by the Ontario Health Insurance Plan (OHIP).
Verify Dr. Mah's registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Mah-Jeffrey-Matthew/0328230-118179