Dr Khairidzan is currently an Associate Professor and Head of the Department of Ophthalmology in the Faculty of Medicine, International Islamic University Malaysia (IIUM).
Dr Khairidzan received his MBBS from the University of Queensland in 1997, and obtained the Masters of Surgery (Ophthalmology) from the National University of Malaysia (UKM) in 2004. He then joined IIUM as a lecturer, and was appointed to his current post as Head, Department of Ophthalmology the following year. Dr Khairidzan spent a year as an Adjunct Clinical Instructor and International Fellow in Cornea, External Disease and Refractive Surgery at UCLA in 2008.   
Dr Khairidzan has published 10 articles in scientific journals and made 157 other scientific presentations. In addition to receiving seven awards from the IIUM for quality research, he also won the Best Poster Award at the Malaysia Singapore Ophthalmology Joint Meeting in 2009.He contributes his expertise on the Malaysian Dry Eye Advisory Board and was an invited member to the Ministry of Health taskforce meetings on postgraduate training modules and laser refractive surgery advertisement.

• Medical And Health ~ Medical And Health Sciences ~ Clinical Medicine ~ Surgery - Corneal, Ecternal Disease & Refractive Surgery

BODY REACTION TO PHYSICAL, CHEMICAL & BIOLOGICAL AGENTS	2010/2011
CARDIOVASCULAR, RESPIRATORY, BLOOD AND BLOOD FORMING ORGANS	2010/2011
INVESTIGATIVE PROJECT 1	2013/2014 2012/2013
INVESTIGATIVE PROJECT 2	2016/2017
NORMAL RESPONSE & PROCESS TO DISEASED STATE	2010/2011
OCULAR DISEASE 1	2013/2014 2012/2013
OPHTHALMOLOGY	2022/2023 2021/2022 2020/2021 2019/2020 2018/2019 2017/2018 2016/2017 2015/2016 2014/2015 2013/2014 2012/2013 2011/2012 2010/2011
PHASE I (YEAR 1)	2021/2022
PHASE II (YEAR 2)	2022/2023

Completed

2018 - 2020	Application of Machine Learning Techniques on Biomedical Images
2018 - 2022	Prototype development of comprehensive pterygium prediction software utilizing multiple pterygium morphologies
2017 - 2019	Impact of multiple types of pterygium on the anterior corneal curvature and changes in ocular surface features
2017 - 2021	The Effect of Short-term Smartphone Usage on Tear Film Dynamics and Visual System
2016 - 2020	Assessment of Ocular Profiles in Laser Refractive Surgery
2014 - 2017	Characterizing Pterygium Fibrovascular Tissue using Hybrid Feature Selection Technique
2010 - 2012	Prevalence of Diabetic Retinopathy (DR) in Primary Care Clinic by using Non-Mydriatic Retinal Camera
2008 -	IIUM Kuantan Eye Screening (IKES)
2006 - 2009	Primary Ptergium Exercision Using Fibrin Sealant (Tissel?) in Conjunctival Autograft Technique

On-Going

2021 - Present	Cellular Morphological Changes at The Ocular Surface in Cataract Patients with Dry Eye Disease and its Relationship to Dry Eye Symptoms and Tear Function Tests
2021 - Present	Cellular Morphology and Vasculature Changes on Ocular Surface in Pediatric Ocular Allergy
2019 - Present	Optimisation of corneal stromal lenticules in vitro using retinoid acid-supplemented medium
2019 - Present	Cellular behaviour and cornea stromal response as a clinical predictor of visual performance after excimer laser refractive surgery
2012 - Present	Ocular Surface Disease Index (OSDI) Questionnaire among Normal and Dry Eye Patients in IIUM Eye Specialist Clinic (IESC)
2011 - Present	RU 2011 -Clinical Assessment of Tear Film Dynamic using aterior segment video in dry eye patient.
2011 - Present	RU 2011 -IIUM Kuantan Eye Screening II- Relationship between retinal vessels diameter with optic disc parameter and retinal nerve fiber thickness.

17 Mar, 2018

Achievement Award, Certification of Appreciation for Contribution to the Society - Malaysian Society of Ophthalmology

National

Article

2022	Clinical features of lid margin, meibomian gland and tear film changes in patients with primary pterygium. Journal of Ophthalmic Research and Ocular Care, 5 (1) pp. 92-96
2022	Deeply embedded corneal foreign bodies with fungal keratitis secondary to “rambutan” fruit fall. The Cureus Journal of Medical Sciences, 14 (2) pp. 1-4
2021	Mesopic pupillometry in pre-LASIK patients by a placido-disc topographer and hartmann-shack aberrometer. Malaysian Journal of Medicine and Health Sciences, 17 (2) pp. 197-202
2021	Postsurgery classification of best-corrected visual acuity changes based on Pterygium Characteristics using the Machine Learning Technique. The Scientific World Journal, 2021 () pp. 1-7
2021	Reliability analysis of subjectively graded real-image pterygium based on its translucence appearance between young and experienced clinicians. Journal of Ophthalmic Research and Vision Care, 1 (1) pp.
2021	Repeatability and reproducibility of pterygium grading based on clinical translucence appearance. Journal of Ophthalmic Research and Vision Care, 1 (1) pp. 1-6
2020	Association of net pterygium tissue mass (dryweight) in determining changes in oculovisual functions and anterior corneal curvature relative to pterygium types. International Journal of Allied Health Sciences, 4 (1) pp. 1042-1048
2020	Correlation of visual recovery time after laser refractive surgery with preoperative keratometry and astigmatism among myopic astigmatism patients. International Journal of Allied Health Sciences, 4 (1) pp. 1028-1041
2020	Effectiveness of PTechSIA questionnaire in quantifying phacoemulsification surgical technique variations: a pilot study. International Journal of Allied Health Sciences, 4 (1) pp. 1057-1062
2020	Effects of different types of primary pterygium on changes in oculovisual function = Jenis pterigium primari dan kesannya pada perubahan fungsi okulovisual). Sains Malaysiana, 49 (2) pp. 383-388
2020	Pterygium recurrence and corneal stabilization point after pterygium excision using the controlled partial avulsion fibrin glue technique. Makara Journal of Health Research, 24 (2) pp. 140-146
2020	Refractive surprise in post-cataract surgery in post Epi-LASIK patient : a lesson learnt. IIUM Medical Journal Malaysia, 19 (2) pp. 98-101
2020	Reliability of Pterygium Redness Grading Software (PRGS) in describing different types of primary pterygia based on appearance = Kebolehpercayaan Perisian Penggredan Kemerahan Pterigium (PRGS) dalam mengelaskan pelbagai jenis pterigium berdasarkan perawakan. Sains Malaysiana, 49 (5) pp. 1015-1020
2019	Changes in apical corneal curvature in unilateral primary Pterygium and normal adults using simulated-K and corneal irregularity measurement. International Journal Of Allied Health Sciences (IJAHS), 3 (2) pp. 588-594
2019	Comparison of visual acuity and contrast sensitivity between unilateral primary Pterygium and normal adults utilizing computerized M&S smart system II. International Journal Of Allied Health Sciences (IJAHS), 3 (2) pp. 643-648
2019	Corneo-pterygium total area measurements utilising image analysis method. Journal of Optometry, 12 (4) pp. 272-277
2019	Face and content validation of Phacoemulsification techniques related to surgically induced astigmatism questionnaire. International Journal of Research in Pharmaceutical Sciences, 10 (4) pp. 2696-2700
2019	Reliability analysis of subjectively graded real-image pterygium based on its translucence appearance between two experienced clinicians preliminary report. Journal of Optometry, Eye and Health Research (JOEHR), 1 (1) pp.
2019	Tear film and lid margin changes in patients with different types of primary pterygium. Sains Medika, () pp.
2019	The comparison of Shape factor and mean toric keratometry between pterygium and normals. International Journal of Allied Health Sciences (IJAHS), 3 (4) pp. 848-853
2019	The measurement of lower tear meniscus height using Anterior segment digital imaging and keratography. Journal of Optometry, Eye and Health Research (JOEHR), 1 (1) pp.
2019	Topographic changes as predictor for determining anterior corneal curvature stabilization point subsequent to pterygium excision using controlled partial avulsion fibrin glue technique. International Journal Allied Health Sciences (IJAHS), 3 (2) pp. 734-740
2019	Utilization of anterior segment optical coherence tomography enhanced high resolution corneal in measuring pterygium thickness. Journal of Medicine and Health (Sains medika), xx (xx) pp. 1-13
2018	Corneal curvature measurements utilizing a new swept-source optical coherence tomography Tomey OA-2000® and comparison with IOLMaster® 500 in pterygium patients. Sains Medika: Jurnal Kedokteran dan Kesehatan, 9 (1) pp.
2018	Measurement of contrast sensitivity using the M&S smart system II compared with the standard Pelli–Robson chart in patients with primary pterygium. Makara Journal of Health Research, 22 (3) pp. 167-171
2018	Prevalence of Diabetic Retinopathy (DR) and its associated factors among diabetes patients in Primary Care Clinics, Kuantan, Pahang. International Medical Journal of Malaysia (IMJM), 17 (2) pp. 11-16
2017	Appearance of lipid floating and tear film stability in non-dry and dry eye subjects. Journal of Health and Translation Medicine, Special issue 2017 () pp. 110-110
2017	Prediction of changes in visual acuity and contrast sensitivity function by tissue redness after pterygium surgery. Current Eye Research, 42 (6) pp. 852-856
2017	Prediction of changes in visual acuity and contrast sensitivity function by tissue redness after pterygium surgery. Current eye research, 42 (6) pp. 852-856
2017	The relationship between symptomatic assessment and clinical signs of dryness in dry eye subjects. International Medical Journal Malaysiayia, 16 (supp issue 1) pp. 47-47
2017	The value of aqueous assessment in diagnosing dry eye. The International Medical Journal Malaysia (IMJM), 16 (supp. 1) pp. 14
2016	A comparative study on the inter-session and inter-examiner reliability of corneal power measurement using various keratometry instruments. International Medical Journal Malaysia, 15 (1) pp. 69-74
2016	Benchmarked pterygium images for human and machine graders. Journal of Engineering and Applied Sciences, 11 (11) pp. 2378-2382
2016	Inter-grader reliability of a supervised pterygium redness grading system. Advanced Science Letters, 22 (10) pp. 2885-2888
2016	New modified equation of contact lens method in determining post myopic laser refractive surgery corneal power. International Medical Journal Malaysia, 15 (1) pp. 61-68
2015	GLCM texture analysis on different color space for pterygium grading. ARPN Journal of Engineering and Applied Sciences, 10 (15) pp. 6410-6413
2009	Classic lattice corneal dystrophy associated with monoclonal gammopathy following exclusion of a TGFBI mutation . Cornea, 28 (1) pp. 97-98
2009	Epithelial debridement and Bowman's layer polishing for visually significant epithelial irregularity and recurrent corneal erosions. Cornea, 28 (10) pp. 1085-1090

Conference or Workshop Item

2021	In-Vivo Confocal Microscopy: Keratocytes cell density (KCD) Regeneration between Femtosecond LASIK (FS-LASIK) and Photorefractive Keratectomy (PRK). In: International Optometry and Vision Science Conference (e-IOVIC) 2021,
2021	Rambutan related ocular trauma. In: Medical Research Symposium 2021,
2021	Surgeon Techniques in Non-Femtosecond Laser-Assisted Cataract Surgery (TechNoFLACS) Questionnaire: Face and Content Validation. In: International Optometry and Vision Science Conference (e-IOVIC) 2021,
2021	The outcome of Descemet membrane endothelial keratoplasty (DMEK) with different tamponade material.. In: Conjoint Ophthalmology Scientific Conference 2020,
2021	The technique of impression cytology in dry eye disease: A review. In: International Optometry and Vision Science Conference (e-IOVIC) 2021,
2019	Comparison and evaluation of five different surgically induced astigmatism calculators outcome and analysis reports. In: 2019 ASCRS ASOA Annual Meeting,
2019	Comparison between predicted and actual surgically induced astigmatism (SIA) on the toric IOL calculation outcome using two toric intraocular lens (IOL) calculators. In: 10th MSO Annual Scientific Meeting in conjunction with 34th Malaysia-Singapore Joint Ophthalmic Congress 2019,
2019	Corneo-pterygium total area measurements utilizing image analysis method. In: 10th MSO Annual Scientific Meeting in conjunction with the 34th Malaysia-Singapore Joint Ophthalmology Congress,
2019	Correlation between variation in phacoemulsification surgical techniques and predictability of surgical induced astigmatism. In: 3rd Ophthalmology Scientific Conference 2019,
2019	Demystifying the controversies and outcome : toric intraocular lens implantation in cataract patients with corneal astigmatism post pterygium surgery. In: 7th USM Ophthalmology Symposium in conjunction with the 9th Conjoint Ophthalmology Scientific Conference,
2019	Evaluation of four calculators in determining surgically induced astigmatism values. In: 10th MSO Annual Scientific Meeting in conjunction with 34th Malaysia-Singapore Joint Ophthalmic Congress 2019,
2019	In-vivo confocal microscopy: comparison of Keratocytes cell density (KCD) between Femtosecond LASIK (FS-LASIK) and Photorefractive keratectomy (PRK) at one month follow-up. In: 7th USM Ophthalmology Symposium in conjunction with the 9th Conjoint Ophthalmology Scientific Conference,
2019	Reliability measurement of corneal wavefront aberrations using corneal videokeratograph Atlas 9000. In: 5th Medical Research Symposium,
2019	Reliability measurement of total aberrations using Galilei G4 Dual Scheimpflug Analyzer. In: 7th USM Ophthalmology Symposium in conjunction with the 9th Conjoint Ophthalmology Scientific Conference,
2019	Repeatability and reproducibility of pterygium thickness measurement using OCT imaging modality of Anterior Segment Optical Coherence Tomography (AS-OCT). In: 10th MSO Annual Scientific Meeting in conjunction with the 34th Malaysia-Singapore Joint Ophthalmology Congress 2019,
2019	Utilization of clinical videography technique in the assessment of tear meniscus rising speed. In: The 10th MSO Annual Scientific Meeting in conjunction with the 34th Malaysia-Singapore Joint Ophthalmic Congress Secretariat,
2018	Comparison of surgically induced astigmatism after superotemporal and superonasal clear corneal incisions in post phacoemulsification. In: 3rd Ophthalmology-Optometry Conference 2018,
2017	Comparison of higher-order aberration values between different aberrometry technologies in preoperative laser refractive surgery patients. In: Medical Research Symposium 2017,
2016	New contact lens method formula for post laser refractive surgery corneal power. In: 6th Conjoint Ophthalmology Scientific Conference 2016,
2015	Comparative analysis of subjective and objective clinical pterygium grading based on its redness appearance. In: The 23rd Symposium of the International Colour Vision Society (ICVS) 2015,
2015	Deriving a modified equation for contact lens method in calculating corneal power in post myopic laser refractive surgery patient. In: International Symposium of Health Sciences (i-SIHAT) 2015,
2015	Refractive surgery nightmare. In: 28th Annual Meeting of the Asia-Pacific Association of Cataract & Refractive Surgeons,
2014	Fibrovascular redness grading using Gaussian process regression with radial basis function kernel. In: 2014 IEEE Conference on Biomedical Engineering and Sciences (IECBES 2014),
2014	Supervised pterygium fibrovascular redness grading using generalized regression neural network. In: 13th International Conference on New Trends in Intelligent Software Methodology Tools, and Techniques (SoMeT_14),
2012	Prevalence of diabetic retinopathy and its associated factors among diabetic patients in primary care clinic. In: IIUM Research, Invention and Innovation Exhibition IRIIE 2012,
2011	Prevalence of diabetic retinopathy and its associated factors among diabetic patients in primary care clinics, Kuantan, Pahang. In: 3rd International Conference on Rural Medicine 2011 " Health Transformation During Challenging Economies",

Monograph

2015	A part of discovery expanding the promise of medicine: handbook of ocular surface treatment. In: Allergan,