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      Dr. Then Kong Yong

      Ophthalmology
      โญ4.9(12 reviews)
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      Quick summary

      Dr. Then Kong Yong is a specialist in Ophthalmology practicing at International Specialist Eye Centre (ISEC) Mid Valley in Kuala Lumpur, Malaysia, with approximately 30 years of experience and an average rating of 4.9 out of 5 from 12 patient reviews. View qualifications, languages spoken and book an appointment on MedLads.

      Frequently asked questions about Dr. Then Kong Yong

      Who is Dr. Then Kong Yong?

      Dr. Then Kong Yong is a specialist in Ophthalmology affiliated with International Specialist Eye Centre (ISEC) Mid Valley in Kuala Lumpur, Malaysia, with approximately 30 years of experience. The profile on MedLads includes verified patient reviews.

      What does Dr. Then Kong Yong specialize in?

      Dr. Then Kong Yong specializes in Ophthalmology.

      What procedures does Dr. Then Kong Yong specialize in?

      Dr. Then Kong Yong focuses on procedures including Ophthalmology Consultation, Cataract Surgery, Glaucoma Treatment, Eye Examination, Optical Coherence Tomography (OCT). These are ranked using real signals on MedLads โ€” patient enquiries, reviews that mention each procedure, and the doctor's own declared specialization.

      Where does Dr. Then Kong Yong practice?

      Dr. Then Kong Yong practices at International Specialist Eye Centre (ISEC) Mid Valley in Kuala Lumpur, Malaysia.

      What languages does Dr. Then Kong Yong speak?

      Dr. Then Kong Yong speaks Cantonese, Hokkien, Mandarin, English, Malay.

      What do patients say about Dr. Then Kong Yong?

      Dr. Then Kong Yong has an average rating of 4.9 out of 5 from 12 patient reviews on MedLads.

      How do I book an appointment with Dr. Then Kong Yong?

      You can book Dr. Then Kong Yong on MedLads: open the profile, tap "Book Appointment", pick a preferred date and time, and submit your booking request. The clinic usually responds within 24 hours to confirm.

      Book Dr. Then Kong Yong on MedLads
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      Dr. Then Kong Yong

      Dr. Then Kong Yong

      Ophthalmology

      30 years experience
      ยท
      4.9 (12 ratings)

      What patients say

      Thorough explanations of complex procedures and eye conditions stand out as a major highlight in these reviews, helping patients and their families feel fully informed and reassured. Individuals frequently describe Dr. Then as deeply compassionate, professional, and attentive during intricate treatments such as corneal transplants and cataract surgeries. Reviewers also credit his clinical expertise with achieving successful recoveries and preventing severe vision loss.

      AI-generated summary based on 12 written patient reviews rated 4 stars or above. It never adds anything patients did not write. How we create summaries

      Procedures & Expertise

      Ophthalmology Consultation
      typically RM 200 โ€“ RM 350
      Cataract Surgery
      typically RM 8,800 โ€“ RM 14,000
      Glaucoma Treatment
      typically RM 300 โ€“ RM 500
      Eye Examination
      typically RM 200 โ€“ RM 350
      Optical Coherence Tomography (OCT)
      Pterygium Surgery
      Pinguecula Treatment
      Chalazion Treatment
      typically RM 1,500 โ€“ RM 2,400

      Typical costs are catalog estimates in Malaysian private hospitals; your final quote depends on the hospital and your clinical needs.

      Qualifications

      • MBBS Bachelor of Medicine, Bachelor of Surgery (London, UK)
      • Master of Science (London, UK)
      • Fellowship of the Royal College of Surgeons (Edinburgh, UK)

      Verified credentialsMMC 44254ยทNSR 125541

      Registration details are manually verified by the MedLads team against the Malaysian Medical Council (MMC) and National Specialist Register (NSR).

      Languages Spoken

      Cantonese
      Hokkien
      Mandarin
      English
      Malay
      Indonesian

      Patient Reviews

      4.9
      12 reviews
      A

      Loo Yh

      July 15, 2026 at 5:44 PM

      5/5
      Google Review

      I would like to express my heartfelt thanks to the entire team at ISEC, especially my cornea specialist, Dr. Then KY. Although he may seem quiet and serious at first, he is actually a very kind, compassionate, and dedicated doctor. Due to my own negligence, I suffered repeated eye infections that almost caused me to lose my vision. Thanks to his expertise, surgical skills, and never giving up on me, I was able to get through a complex surgery and return to my normal life. Without his long-term care and dedication, I truly believe I would have lost my eyesight completely. I can never thank him enough. I would also like to thank my glaucoma specialist, Dr. Fang SK, who performed my glaucoma implant surgery years ago. His experience, skill, and dedication helped preserve my vision, and I will always be grateful for everything he has done. I also want to thank every member of the ISEC team. From the registration counter to the nurses, cashiers, and support staff, everyone has always been friendly, professional, patient, and helpful. They made every visit feel comfortable and reassuring. ISEC is an excellent eye care centre that provides high-quality treatment at reasonable prices. I highly recommend ISEC to anyone looking for the best eye care. Thank you to everyone at ISEC for giving me the priceless gift of sight.

      Attached Images (1)

      Review image 1
      A

      Sui Leng Cheah

      August 3, 2026 at 12:09 AM

      5/5
      Google Review

      I had a corneal transplant and cateract surgery done by Dr Then Kong Yong recently. Dr Then KY is an experienced corneal specialist, he explained my eye conditions and politely answered all my questions about the treatment. Overall I felt Dr Then KY was professional, kind and approachable, and I appreciate the clarity I did get. The downside is the consultations felt rushed because of the queue. Maybe offering slightly longer appointments or a nurse for basic questions would help. Thank you to the team for managing so many patients.

      A

      Shannen Khor

      October 28, 2025 at 3:45 PM

      5/5
      Google Review

      I took my parents to consult Dr Then on their eyes. They were very happy with his meticulous explanation and assurance on their eyes condition and how the treatment plan was being suggested to my dad. Dr Then was awesome. Front desk was welcoming and the payment counter was absolutely helpful. Well done and keep it up Isec!

      A

      Cheong WaiKit

      October 28, 2025 at 3:42 PM

      5/5
      Google Review

      Very professional medical care and service. My friend's eyes are gradually recovering after surgery with Doctor Then. Highly recommend for friends who are looking for a professional ophthalmologist to come and see...

      A

      Gaik Hoon Lai

      June 18, 2026 at 1:37 AM

      5/5
      Google Review

      After cornea transplant, my father has many questions. Dr. Then explain with care and humour, make the patient very comfortable.

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      Affiliated Hospitals

      International Specialist Eye Centre (ISEC) Mid Valley

      International Specialist Eye Centre (ISEC) Mid Valley

      Kuala Lumpur, Malaysia

      4.6
      View Hospital โ†’
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      Usually responds within 24 hours
      Affiliated Hospitals
      International Specialist Eye Centre (ISEC) Mid Valley

      International Specialist Eye Centre (ISEC) Mid Valley

      Kuala Lumpur, Malaysia

      4.6
      View Hospital โ†’
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