Dr. Crystal Sin Yi Cheung – Ophthalmologist | Toronto, ON

Dr. Crystal Sin Yi Cheung is a dedicated Ophthalmologist, committed to providing exceptional medical and surgical eye care to patients of all ages. Practicing at the Central Lambton Family Health Team in Toronto, ON, she is a trusted provider of specialized eye care in the community. Her practice adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO). Dr. Cheung’s role encompasses comprehensive medical and surgical management of a wide spectrum of eye conditions. She offers a full range of services, from routine eye examinations and vision correction to advanced surgical interventions, in a patient-friendly environment that emphasizes safety, comfort, and personalized care.

She graduated with a Medical Degree from the University of Ottawa (Canada) and has been practicing as an Ophthalmologist with over six years of specialized experience since 2018. She is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO), reflecting her expertise and commitment to maintaining the highest standards in eye care.

Dr. Cheung’s professional philosophy centers on preserving and improving vision through compassionate, state-of-the-art eye care. She is dedicated to educating her patients about their eye health, involving them actively in treatment decisions. Utilizing advanced diagnostic and therapeutic technologies, she aims for precise and effective treatments. Her focus on early detection and management of eye diseases helps prevent vision loss, and she works collaboratively with other healthcare professionals to ensure comprehensive patient well-being. Dr. Cheung’s communication is conducted in English, and her practice is committed to delivering thorough, empathetic, and evidence-based eye care in Toronto.

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

Refractive Errors and Vision Correction

Dr. Cheung addresses management of nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and presbyopia (age-related farsightedness).

• Candidates for Refractive Surgery (e.g., LASIK, PRK, ICL): Assessment includes corneal thickness, refractive error stability, and overall eye health.
• Astigmatism: An imperfection in the curvature of the eye's cornea or lens, causing blurred or distorted vision at all distances.
• Myopia (Nearsightedness): Often develops in childhood and can progress through adolescence.

Cataracts and Lens Disorders

Dr. Cheung addresses conditions related to the clouding of the eye's natural lens (cataract) or other lens abnormalities.

• Secondary Cataracts (Posterior Capsular Opacification): Treated with a quick and painless YAG laser capsulotomy procedure.
• Dislocated Intraocular Lens (IOL) or Natural Lens: Can cause significant visual disturbances.
• Congenital or Pediatric Cataracts: Often associated with other systemic conditions or genetic factors.

Glaucoma Management

Dr. Cheung addresses early detection and lifelong management are crucial to preserving sight.

• Primary Open-Angle Glaucoma (POAG): Regular eye exams are key for early detection.
• Normal-Tension Glaucoma: Diagnosis can be challenging.
• Congenital or Childhood Glaucoma: Requires prompt surgical intervention to control eye pressure and prevent blindness.

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

• Medical Management of Glaucoma (Prescription Eye Drops): Prescribing and managing various types of eye drops to lower intraocular pressure and prevent optic nerve damage.
• Laser-Assisted Cataract Surgery (Femtosecond Laser): Potentially offers improved visual outcomes for select patients.
• Diagnosis and Management of Common Eye Conditions: Referral to subspecialists when necessary for complex conditions.
• Glaucoma Screening, Diagnosis, and Monitoring: Comprehensive testing for glaucoma including intraocular pressure measurement, optic nerve imaging (OCT), visual field testing, and gonioscopy.
• Advanced Technology Intraocular Lenses (IOLs): Offering premium IOL options designed to reduce dependence on glasses after cataract surgery.
• Vision Testing and Prescription for Eyeglasses & Contact Lenses: Accurate measurement of refractive errors (nearsightedness, farsightedness, astigmatism, presbyopia).

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

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. Cheung practices primarily at the Central Lambton Family Health Team, located conveniently in Toronto near the Toronto Police Headquarters. The clinic offers comprehensive eye care services in a modern, accessible, and welcoming environment. The facility is situated in a vibrant area accessible via TTC (Subway, Streetcar, Bus), with nearby parking options. The practice is situated close to the neighborhoods of Fairview, Henry Farm, and Oriole, making it easy for patients from across Toronto to access. The eye clinic is designed to be accessible and comfortable for all patients, with facilities that cater to diverse needs, ensuring a professional and patient-centered experience.

When should I see an Ophthalmologist like Dr. Cheung?

You should see an Ophthalmologist like Dr. Cheung for comprehensive eye examinations, especially if you have a family history of eye disease, are over 40, or have medical conditions like diabetes that can affect your eyes. Also, seek consultation for any sudden vision changes, eye pain, injury, persistent redness, or if referred by your family doctor or optometrist for a specific eye condition.

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

As an Ophthalmologist, Dr. Cheung 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.

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

An Ophthalmologist like Dr. Cheung 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.

Does Dr. Cheung perform cataract surgery?

Yes, cataract surgery is one of the most common procedures performed by Ophthalmologists like Dr. Cheung. It involves removing the cloudy natural lens of the eye and replacing it with an artificial intraocular lens (IOL) to restore clear vision. Dr. Cheung can evaluate your cataracts and discuss the surgical options, including different types of IOLs.

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

Most medical and surgical eye care provided by Dr. Cheung 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. Cheung's office or Ontario Health Insurance Plan (OHIP).

How does Dr. Cheung treat glaucoma?

Dr. Cheung 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.

Central Lambton Family Health Team
Unit 3, 1333 Sheppard Ave. East
Toronto, ON M2J 1V1

Office Phone: (416) 783-3375 | Office Fax: (416) 783-3376

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

Verify Dr. Cheung's registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Cheung-Crystal-Sin-Yi/0288876-100242