Dr. Joseph Jee Keen Ma – Ophthalmologist | North York, ON

Dr. Joseph Jee Keen is a dedicated Ophthalmologist, committed to providing exceptional medical and surgical eye care to patients of all ages. Practicing at a specialized eye clinic in North York in North York, ON, he is a trusted provider of specialized eye care in the community. Dr. Keen adheres to the highest standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring that patients receive safe, effective, and personalized treatment. His role as a comprehensive Ophthalmologist involves diagnosing, managing, and treating a wide spectrum of eye conditions, from routine examinations and vision correction to complex surgical interventions. The clinic offers a full spectrum of eye care services, from routine vision checks to advanced surgical procedures, in a patient-friendly setting.

He graduated with a Medical Degree from the University of Toronto (Canada) and has been practicing as an Ophthalmologist since 2003, accumulating over 21 years of specialized experience. Dr. Keen is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO). His extensive training and experience enable him to deliver state-of-the-art eye care tailored to each patient's needs, utilizing the latest diagnostic and therapeutic technologies.

Dr. Keen's professional philosophy centers on preserving and enhancing vision through compassionate, innovative, and evidence-based eye care. He emphasizes patient education, ensuring individuals are well-informed about their eye health and involved in their treatment decisions. He is committed to the early detection and management of eye diseases to prevent vision loss and collaborates with other healthcare professionals to provide comprehensive care. Fluent in Cantonese and Chinese, he ensures clear communication and culturally sensitive care for diverse patient populations in North York.

Dr. Joseph Keen provides expert diagnosis and management for a wide range of eye conditions, including:

Refractive Errors and Vision Correction

Dr. Keen addresses includes prescription of eyeglasses and contact lenses, as well as assessment for refractive surgery options.

• 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.
• Candidates for Refractive Surgery (e.g., LASIK, PRK, ICL): Discussion of different refractive surgery options and their suitability.

Cataracts and Lens Disorders

Dr. Keen addresses primary treatment involves surgical removal of the cataract and implantation of an artificial intraocular lens (IOL).

• Secondary Cataracts (Posterior Capsular Opacification): Treated with a quick and painless YAG laser capsulotomy procedure.
• Dislocated Intraocular Lens (IOL) or Natural Lens: May require surgical repositioning, exchange, or suturing of the lens.
• Congenital or Pediatric Cataracts: Can significantly impact visual development and requires prompt surgical intervention if visually significant.

Glaucoma Management

Dr. Keen addresses medical, laser, and surgical treatments aimed at lowering eye pressure to prevent further optic nerve damage.

• Normal-Tension Glaucoma: Optic nerve damage and vision loss occur despite intraocular pressure being within the normal range.
• Secondary Glaucoma (e.g., due to trauma, inflammation, steroids): Treatment involves managing the underlying cause and lowering eye pressure.
• Primary Open-Angle Glaucoma (POAG): The most common form of glaucoma, characterized by a gradual increase in eye pressure and slow, painless loss of peripheral vision.

This list is not exhaustive. For a comprehensive evaluation of your eye health, a consultation with Dr. Joseph Keen is necessary.

• YAG Laser Capsulotomy (for Secondary Cataract): Commonly performed to address blurry vision months or years post-surgery.
• Surgical Procedures for Glaucoma (Trabeculectomy, Glaucoma Drainage Devices/Shunts, MIGS): Minimally Invasive Glaucoma Surgery (MIGS) procedures, often combined with cataract surgery.
• Advanced Technology Intraocular Lenses (IOLs): Personalized lens selection based on lifestyle and visual goals.
• Laser-Assisted Cataract Surgery (Femtosecond Laser): May improve corneal incisions, capsulotomy creation, and lens fragmentation.
• Glaucoma Screening, Diagnosis, and Monitoring: Comprehensive testing for glaucoma including intraocular pressure measurement, optic nerve imaging (OCT), visual field testing, and gonioscopy.
• Laser Treatments for Glaucoma (SLT, LPI, Cyclophotocoagulation): Laser Peripheral Iridotomy (LPI) for angle-closure glaucoma.

Note: This list provides an overview. Specific treatments are determined after a thorough eye examination and consultation with Dr. Keen.

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. Keen practices primarily at a specialized eye clinic situated in the North York neighborhood of North York, ON. The clinic is conveniently located near major medical facilities and optical service providers, making it easy for patients to access comprehensive eye care. It is well-connected by local public transit routes and offers accessible and comfortable facilities designed to meet the needs of all patients. Ample parking options are usually available nearby, providing a hassle-free experience for those visiting for routine exams or surgical procedures. The clinic maintains a professional yet welcoming environment dedicated to delivering quality eye care in a convenient North York location.

Are services from Dr. Keen covered by provincial health insurance?

Most medical and surgical eye care provided by Dr. Keen for diagnosed eye conditions is covered under Ontario Health Insurance Plan (OHIP). This includes treatments for diseases like cataracts and glaucoma. Routine eye check-ups for vision testing (refraction) may not be covered for all age groups unless there's an underlying medical reason. Elective cosmetic procedures are generally not covered by provincial health insurance. 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. Keen's office or Ontario Health Insurance Plan (OHIP).

Does Dr. Keen perform cataract surgery?

Most Ophthalmologists, including Dr. Keen, are highly experienced in performing cataract surgery. This outpatient procedure is very effective in improving vision affected by cataracts. Dr. Keen would assess the severity of your cataracts and determine if surgery is the best course of action for you.

What is the difference between an Ophthalmologist like Dr. Keen and an Optometrist?

The key difference is that an Ophthalmologist, such as Dr. Keen, is a physician and surgeon specializing in eye care, able to provide the full spectrum of medical and surgical treatments for eye diseases. Optometrists are primary eye care providers who conduct eye exams, prescribe glasses and contacts, and can diagnose and manage many eye conditions with medications or refer to an ophthalmologist for more complex issues or surgery. Both play vital roles in eye health.

When should I see an Ophthalmologist like Dr. Keen?

A visit to Dr. Keen is recommended for routine eye health check-ups, particularly if you have risk factors for eye diseases. Immediate attention is needed for symptoms such as sudden loss or blurring of vision, flashes of light, an increase in floaters, eye pain, or discharge. Your primary care physician or optometrist may also refer you for specialized medical or surgical eye care.

What are some common eye conditions treated by Dr. Keen?

As an Ophthalmologist, Dr. Keen 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.

How does Dr. Keen treat glaucoma?

Dr. Keen 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.

What does an Ophthalmologist like Dr. Keen specialize in?

Dr. Keen is an Ophthalmologist, a physician with extensive training in all aspects of eye health. He provides complete eye exams, diagnoses conditions like glaucoma, cataracts, and retinal diseases, and can perform complex eye surgeries. providing comprehensive medical and surgical eye care, including the diagnosis and treatment of a wide range of eye diseases and vision problems.

a specialized eye clinic in North York
162 Willowdale Ave
North York, ON M2N 4Y6

Office Phone: (416) 221-2093

Dr. Keen 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. Keen, particularly for services covered by the Ontario Health Insurance Plan (OHIP).

Verify Dr. Keen's registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Ma-Joseph-Jee-Keen/0150353-80274