Certified professional with expertise in advanced refractive surgery techniques, including LASIK, FLACS, ICL, and Small Incision Lenticular Extraction. Proficient in operating state-of-the-art equipment such as the STAR S4 IR Excimer Laser, iDesign Refractive Studio, and various femtosecond laser systems. Demonstrates a strong commitment to enhancing patient outcomes through precision and innovation in surgical procedures.
C Certification:
1) LASIK – December 2021
- STAR S4 IR Excimer Laser
- iDesign Refractive Studio
- Femtosecond Laser (FEMTO LDV Z8)
- Femtosecond Laser (iFS Johnson & Johnson)
2) FLACS – November 2021
- Ziemer FEMTO Z8 system
- iFS Femtosecond Laser Cataract Suite by Johnson & Johnson
3) ICL - June 2022
- STAAR Surgical ICL, IPCL, MPL
4) Small Incision Lenticular Extraction
- CLEAR (Corneal Lenticular Extraction for Advanced Refractive Surgery) by Ziemer Z8
Anugerah Perkhidmatan Cemerlang Peringkat Negeri Perak Tahun 2018
Journal/E-Journal/Journal Proceeding
1. Orbital Apex Cyst - A Rare Cause of Compressive Optic Neuropathy in a Patient Post Functional Endoscopic Sinus Surgery.
Koh YN, Ho SF, Pathma L, Singh H, Zunaina E.
Int Med Case Rep J. 2017 Jul 28;10:263-269.
DOI: https://doi.org/10.2147/IMCRJ.S124524
2. Endophthalmitis following cataract surgery in diabetic patients
Maya-Sapira H, Koh YN, Azhany Y, Zunaina E, Khairy-Shamel ST, Liza-Sharmini AT, Draman N, Noordin Z
Family Medicine & Primary Care Review 2017; 19(4): 431–436
DOI: https://doi.org/10.5114/fmpcr.2017.70821
3. Jensen disease: A rare presentation of ocular toxoplasmosis
Siti-Ilyana G, Koh YN, Zunaina E.
Journal of Biomedical and Clinical Sciences (JBCS)
Accepted on 2 May 2018
4. Antioxidant Enzymes in Tears Among Malay Age-related Macular Degeneration Patients Yi Ni Koh, Embong Zunaina, Ahmad Tajudin Liza-Sharmini, Che Badariah Abd-Aziz, Che Hussin Che-Maraina, Mei Fong Chong, Berahim@Ab Rahman Azriani, Ab Hamid Siti-Azrin, Sarina Sulong.
Mal J Med Health Sci 16(2): 149-156, May 2020
5. Pasteurella Multocida Panophthalmitis: A Devastating Sequela of an Industrial Penetrating Injury.
Chai HX, Koh YN, Samsudin A, Chong MF. Cureus. 2022 Apr 8;14(4):e23962. doi: 10.7759/cureus.23962. PMID: 35541295; PMCID: PMC9080954.
6. A Noteworthy Case of Bilateral Idiopathic Optic Perineuritis With No Perception to Light Eye.
Thamotaran T, Ngoo QZ, Wan Hitam WH, Yaakub A, Koh YN. Cureus. 2022 Aug 31;14(8):e28651. doi: 10.7759/cureus.28651. PMID: 36196315; PMCID: PMC9525245.
International Poster Presentation
1. Orbital Apex Epidermoid Cyst- A Rare Cause Of Compressive Optic Neuropathy Koh YN, Cheong MY, Ho SF
31st Malaysia-Singapore Joint Ophthalmic Congress 2016
Pullman Kuching, Sarawak
4 – 6 March 2016
2. Evaluation of Tears Oxidative Stress Markers in Malay ARMD patients
Koh YN, Zunaina E, Liza-Sharmini AT, Abd Aziz CB, Chong MF
33rd Malaysia-Singapore Joint Ophthalmic Congress 2018
Hatten Hotel, Melaka
16 – 18 March 2018
3. Pigment Dispersion Glaucoma Secondary To Uncomplicated Bilateral Eye Phakic Intraocular Collamer Lens Implantation
Koh YN, Aloysius Joseph Low
41st Congress of The European Society of Cataract and Refractive Surgeons (ESCRS) Messe Wien Exhibition & Congress Centre
8-12 September 2023
National Poster Presentation
1. Periorbital Necrotising Fasciitis: A Sequelae of Varicella Zoster Infection
Koh YN, Nor-Masniwati S, Ch’ng TW
9th UKM Ophthalmology Symposium In conjunction with 4th Conjoint Ophthalmology Scientific Conference
The Royale Chulan Hotel, Kuala Lumpur
13 – 14 September 2014
2. No Second Chance
Koh YN, Thilakavathy T, Chong MF
6th USM Ophthalmology Symposium In conjunction with 5th Conjoint Ophthalmology Scientific Conference
Hotel Perdana, Kota Bharu, Kelantan
18 - 20 September 2015
3. Ocular Tuberculosis – Not To Stop At Mantoux Test
Koh YN, Chong MF
6th USM Ophthalmology Symposium
In conjunction with 5th Conjoint Ophthalmology Scientific Conference
Hotel Perdana, Kota Bharu, Kelantan
18 - 20 September 2015
4. Assessing The Confidence Level among Primary Care Doctors on Basic Ophthalmic Assessment in Kinta District, Perak
Koh KL, Koh YN, Hong-Kee N, Chong MF, Khairy-Shamel ST
6TH Conjoint Ophthalmology Scientific Conference
In conjunction with 2nd Ophthalmology- Optometry Conference 2016
Connexion @ Nexus, Bangsar South
23 – 25 September 2016
International Oral Presentation
1. Post Cataract Surgery Endophthalmitis in Diabetic Patients: A Case Series
Maya-Sapira H, Koh YN, Azhany Y, Zunaina E, Khairy-Shamel ST, Liza-Sharmini AT, Draman N, Noordin Z
International Conference on Infection and Immunity 2017
Renaissance Hotel, Kota Bharu, Kelantan
5 – 6 April 2017
IC No.:840630-02-5088
Passport No: A59347078
MMC No: 50550
NSR No: 138079
Current position:
Cataract and Refractive Surgeon
Company: Vista Eye Specialist, MALAYSIA