MMed (Ophth. Sc.), FRANZCO
AHPRA: MED001656938
Dr Mariana Sheales - Glaucoma & Cataract Specialist, Canberra
Dr Mariana Sheales is a Canberra-based ophthalmologist with specialist expertise in glaucoma surgery, cataract surgery, and comprehensive ophthalmology. She provides both private and public specialist eye care to patients across the ACT and surrounding region.
Dr Sheales completed her specialist ophthalmology training through the highly regarded Sydney Eye Hospital network — one of Australia’s most respected ophthalmology training programmes. She subsequently pursued advanced super-specialty fellowship training in Glaucoma at the world-renowned Oxford University Eye Hospital in the United Kingdom.
Dr Sheales completed her glaucoma super-specialty fellowship at the Oxford University Eye Hospital — one of the world's leading centres for glaucoma research and treatment — bringing internationally recognised expertise back to Canberra.
Dr Sheales was born and raised in Canberra, and returned home following her advanced fellowship training to bring subspecialist glaucoma care to ACT patients who previously had to travel interstate for this level of expertise. She holds a consultant appointment at Canberra Hospital, where she provides both regular specialist care and emergency on-call ophthalmology services.
Dr Sheales is committed to a highly patient-centred approach, working collaboratively with referring optometrists and GPs to deliver seamless, evidence-based care. She remains current in the latest clinical advances by regularly attending national and international conferences and scientific meetings. She has published research in several international peer-reviewed ophthalmology journals and has presented at conferences both within Australia and overseas.
Outside of medicine, Dr Sheales enjoys cooking and travel planning with her family — pursuits that reflect the same care and attention she brings to her patients.
Medical degree — specialist foundation training
Population health and clinical epidemiology
Advanced clinical training in ophthalmology
Areas of Special Interest
Glaucoma Surgery
- Trabeculectomy (filtering surgery)
- Glaucoma drainage implants (tube shunt surgery)
- Minimally Invasive Glaucoma Surgery (MIGS)
- Selective Laser Trabeculoplasty (SLT)
- Glaucoma monitoring — visual fields & OCT
- Complex and refractory glaucoma management
Cataract Surgery
- Phacoemulsification (modern cataract removal)
- Premium intraocular lens (IOL) selection
- Combined cataract & glaucoma surgery
- Complex cataract in glaucoma patients
- Pre- and post-operative management
Comprehensive Ophthalmology
- General adult eye examinations
- Acute eye emergencies (on-call at Canberra Hospital)
- Diabetic eye disease monitoring
- Age-related macular degeneration (AMD) assessment
- Optic nerve and retinal assessment
Surgical Fellowship Institutions
Dr Sheales completed her specialist ophthalmology training through the Sydney Eye Hospital network before undertaking advanced glaucoma fellowship training at one of the world’s pre-eminent eye hospitals — bringing subspecialist expertise back to Canberra.
Sydney Eye Hospital Network
Dr Sheales completed her specialist ophthalmology training through the Sydney Eye Hospital network — one of Australia’s most highly regarded and competitive ophthalmology training programmes, providing comprehensive surgical and clinical training across all subspecialties.
Oxford University Eye Hospital
Super-specialty fellowship in glaucoma surgery and management at the Oxford University Eye Hospital — a world-renowned centre of excellence for glaucoma research and advanced surgical techniques, within the prestigious Oxford University Hospitals NHS Foundation Trust.
Affiliated Professional Organisations
Dr Sheales holds memberships with leading ophthalmology and glaucoma bodies in Australia and internationally — maintaining connection with the latest clinical developments in glaucoma surgery and eye care worldwide.
Royal Australian & New Zealand College of Ophthalmologists — Fellow
American Academy of Ophthalmology
American Association for Paediatric Ophthalmology & Strabismus
Australian Society of Ophthalmologists
European Society of Cataract & Refractive Surgeons
World Society of Paediatric Ophthalmology & Strabismus
University Affiliations & Research
- Consultant Ophthalmologist — Canberra Hospital
Dr Sheales holds a consultant ophthalmologist appointment at Canberra Hospital — the ACT’s primary public hospital — where she provides both regular specialist outpatient care and after-hours emergency ophthalmology services on-call. This appointment ensures Canberra has subspecialist glaucoma expertise available within the public health system.
- Teaching & Supervision of Trainees
Dr Sheales is passionate about teaching and the supervision of ophthalmology trainees. She actively mentors junior doctors and specialist registrars at Canberra Hospital, sharing her clinical and surgical experience to support the next generation of Australian ophthalmologists — particularly in glaucoma subspecialty training.
- Research & Publications
Dr Sheales has published research in several international peer-reviewed ophthalmology journals, contributing to the scientific evidence base in glaucoma and related fields. Her published work reflects her commitment to evidence-based clinical practice and her ongoing engagement with the latest developments in ophthalmic research.
- Conference Presentations
