Cataract surgery • lens extraction • lensectomy • customised lens implants • laser vision correction and enhancement • glaucoma and cataract • Parramatta
Thomson, Sumich, Lim and Associates
Eye Specialists
Parramatta, Sydney

T: (02) 9635 0663 / E:


Our Doctors

Dr Ridia Lim

Dr Ridia Lim is a Cataract Surgery and Glaucoma specialist. Her time is spent between Hunter Street Eye Specialists and Sydney Eye Hospital. She specializes in cataract surgery, glaucoma surgery and managing coexisting glaucoma and cataract. She enjoys all aspects of standard and difficult cataract management and glaucoma cases that are referred to her by optometrists and other ophthalmologists.

She graduated from the University of NSW in 1992 and completed ophthalmology training in Sydney Eye Hospital to attain the fellowship to the Royal Australian and New Zealand College of Ophthalmologists (RANZCO) in 2001. She was awarded the ARVO fellowship for attaining the highest marks in her Ophthalmology Part 1 exam. Dr Lim furthered her training as a Cataract Surgery Specialist at the Princess Alexandra Eye Pavilion in Edinburgh, Scotland, in 2001. In 2002 and 2003, Dr Lim completed glaucoma fellowship training in Oxford Eye Hospital, United Kingdom.

Dr Lim has worked on major research studies, including the Blue Mountains Eye Study, from which she gained a Masters degree in Public Health from Sydney University in 1998, completing a treatise on risk factors for cataract. She has participated in international multicentre glaucoma research studies and herself, designed glaucoma studies, some published in peer-reviewed journals and some currently in progress.

Dr Lim has published journal articles, has presented internationally and is the published author of several book chapters in glaucoma and glaucoma surgery, in international collaborations including “Ophthalmology” by Yanoff & Duker and “Glaucoma” by Shaarawy. She has acted as a regular reviewer for both journal and book chapters in the subspecialty of glaucoma.

Dr Lim holds a public hospital appointment at Sydney Eye Hospital; clinical teaching, surgical teaching, mentoring ophthalmology registrars and lecturing optometry students are a part of this role. She is a past Assistant Director of Training for Sydney Eye Hospital Training Programme, elected by the NSW Qualification and Education Committee and is the Secretary of the Australian and New Zealand Glaucoma Interest Group (ANZGIG).

Dr Lim was born in Busan, South Korea, immigrating to Australia in 1976.  She speaks conversational Korean. She is married to Dr Sean Griffin, a talented gastroenterologist and they have a lovely daughter, Erin.


Dr Peter Sumich

Dr Peter Sumich has a special interest in Cataract surgery and LASIK Laser eye surgery for vision correction. He is extensively trained. He graduated with Honours from NSW University in 1990. He worked for 4 years as an Emergency Medicine Registrar at Royal North Shore Hospital and was awarded the Australian Gold Medal in the Emergency Medicine Primary Exam. He transferred to eye surgery and later graduated from Sydney Eye Hospital. He was honoured to be appointed as the Professorial Senior Registrar in his final year at Sydney Eye Hospital and worked with the Sydney University Department of Ophthalmology which deals with complex eye disease.

He was awarded the Sir Norman Rose travelling scholarship and furthered his surgical experience by living in England where he underwent a Corneal and Cataract Surgery Fellowship at the renowned Bristol Eye Hospital. In recognition of his high level of training to an international standard, the Royal British College of Ophthalmology granted him dual registration as a specialist eye surgeon in both Britain and Australia.

Dr Sumich holds public hospital postings as an Associate Eye Surgeon at Sydney Eye Hospital and until recently was a Consultant Eye Surgeon at Westmead Hospital where he trained registrar surgeons in cataract surgery. He is a member of The Australian and also the American Society of Cataract and Refractive Surgeons and enjoys participation in daily internet discussions with expert colleagues from many countries. Dr Sumich has served on the State Government Ophthalmic Services Committee and is a 20 year member of the Australian Medical Association. He is a Clinical Lecturer in Cataract and Refractive Surgery at the Sydney University Department of Ophthalmology at the Save Sight Institute.

Dr Sumich has published many scientific papers and is an article reviewer for The British Journal of Ophthalmology Online. He has previously worked on the Blue Mountains Eye Study Team and was involved in research on a new drug therapy for Corneal Transplant rejection which involved collaboration with   Sydney, Bristol and Nottingham University.

Dr Sumich is well known as a regular expert guest with radio 2GB on Murray Wilton’s ‘Good Life’ programme and has greatly enjoyed this experience. He regularly presents lectures and seminars at medical conferences around Australia and overseas.

Dr Sumich continues to update his knowledge and skills and is committed to providing his patients with the very best eye care available. He is married to Carmel and has a beautiful son named Jay.

We also offer a comprehensive medical retinal service.

For our full team, click here


Hunter Street Lasik Laser Eye Specialists are located in Parramatta. We are an eye clinic specialising in Lasik Laser Eye Surgery, Advanced Cataract surgery, Laser Vision Correction and Lasik eye procedures. Hunter Street Laser Eye Surgery is located in Parramatta Sydney Australia