
Principal Investigator

Assistant Professor Raymond P. Najjar
BSc (Biology), MSc (Neurosciences), PhD (Neurosciences)
Websites:
National University of Singapore
Centre for Innovation and Precision Eye Health
Head, Eye N’ Brain Research Group and Assistant Professor | Department of Ophthalmology, NUS
Research Director | Department of Ophthalmology, NUHS
Co-lead | Community Eye Health, Centre for Innovation & Precision Eye Health, NUS
Assistant Professor | Department of Biomedical Engineering, NUS
Assistant Professor | Ophthalmology & Visual Sciences ACP, Duke-NUS Medical School
Head, Visual Neuroscience Group, Singapore Eye Research Institute (SERI)
Dr. Raymond P. Najjar is a visual neuroscientist with an M.Sc. and Ph.D. in Neuroscience from the University of Lyon (France) and a postdoctoral fellowship at Stanford University (USA). He is a Tenure Track Assistant Professor, Director of Research, and Head of the Eye N’ Brain Research Group in the Department of Ophthalmology at the National University of Singapore (NUS). Dr. Najjar also leads the Visual Neurosciences Group at the Singapore Eye Research Institute and holds joint appointments in the Department of Biomedical Engineering (NUS) and Duke-NUS Medical School. Dr. Najjar’s research focuses on the intersection of light, human physiology, and behavior, with an emphasis on light-based therapies for myopia prevention and cost-effective diagnostic strategies for ocular and neurological health.His team’s work has advanced understanding of retinal light exposure modulation impacts ocular growth and non-visual responses. Hisresearch was published in top journals, including NEJM, The Journal of Clinical Investigation, eBioMedicine, Ophthalmology, and the Journal for Pineal Research.
Research Team

Assistant Professor Muralidharan AR
Research Fellow
PhD (Molecular Biology)
Dr Murali is a Research Fellow working with Dr. Raymond Najjar at Department of Visual Neuroscience, Singapore Eye Research Institute (SERI) and holds a Joint appointment as an Assistant Professor (Research Track) at Duke-NUS Medical School, Singapore. He graduated from Bharathidasan University, India. During his doctoral phase at Prof. Geraldine’s lab, he evaluated anti-cataractogenic potential of calpain inhibitor screened through structure-based drug design approach. After his graduation he conducted postdoctoral research at Prof. Rao’s lab at Duke Eye Center, Duke University School of Medicine, USA. At Duke university, he was involved in different projects which mainly focused on identifying the etiological mechanisms underlying increased resistance to aqueous humor outflow through the conventional (trabecular) outflow pathway. He has over 10 years of research experience mainly on different ocular conditions since his graduate studies. His long-term goal is to contribute to the development of novel therapies for sight-threatening eye disorders by identifying- potential molecular targets and early diagnosis using robust biomarker characterization.

Dr. Najiya Sundus K. Meethal
Research Fellow
B.S. (Optometry), M.Phil. (Optometry), Ph.D. (Neuroscience), FAAO
Dr. Najiya holds undergraduate and postgraduate degrees from Elite School of Optometry, Chennai in affiliation with Birla Institute of Technology and Science (BITS), Pilani, India. She secured her PhD in Neuroscience from the Erasmus University Rotterdam under an Indo-Dutch collaborative endeavour between the Vestibular & Ocular Motor Research group at the Department of Neuroscience, Erasmus Medical Centre, The Netherlands, and the Medical Research Foundation, Chennai, India. Her PhD research concentrated on extracting eye-tracking based biomarkers for the detection of visual system dysfunctions. Dr. Najiya has also earned the designation of the ‘Fellow of the American Academy of Optometry (FAAO)’ under the scientific category. Following her PhD, she extended her proficiency through a postdoctoral fellowship with the same research group with a predominant focus on understanding the real-life functional consequences of visual impairment through visual-motor integration tasks. From the initial phase of her PhD Dr. Najiya has been dynamically involved in mentoring activities that bridged clinical practise and scientific research, facilitating students at various academic levels to shape well-rounded future professionals.
At present Dr. Najiya is a research fellow with the Eye N’ Brain research group examining the underlying mechanisms and usability of light-therapy in developing improved public health approaches for the prevention or progression control of myopia and on developing innovative tech-based means to decode activities linked to visual neuroscience. Aside from her professional pursuits, she is an avid reader, an amateur creative writer, and a fashion enthusiast.

Tang Zhiqun (Grace)
Research Engineer
Zhiqun is a Data Scientist and researcher specializing in the intersection of neuro-ophthalmology, artificial intelligence, and computational science. Her work focuses on developing cutting-edge AI-driven tools, including machine learning and deep learning systems, to analyze the intricate neurobiological interactions between the eye and the brain. Dr. Tang’s expertise lies in translating complex visual neuroscience findings into practical clinical applications, particularly in the early detection and classification of myopia, optic neuropathy, and retinal diseases.
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Jannie Tay
Clinical Research Coordinator
Janie is a Clinical Research Coordinator who helps to recruits patients and healthy volunteers from the eye clinics or general population. She enjoys interacting with people and recruits just about everyone she meets. She conducts eyes tests for participants and hopes to bridge people’s needs closer to their solutions, whether it is connecting them to an ophthalmologist, optometrist or offering empathy and a listening ear. She is an idealist at heart, tamed by operational realities, into a realist, who believes that with advances in research therapies, it would eventually to translational eye care that would benefit the majority at large. Fostering and being a robust team member at Eye N Brain would leave an impactful legacy behind, for ALL TO SEE !
The future depends on what we choose to do in the present. It is not just for ourselves but for our future generations to come. Exciting times beckons!

Antonio Wong Chin Yeong
Research Officer
Hi there! I’m Antonio, a Research Officer working under the studies of light patterns for myopia prevention with a background in the bioscience and veterinary fields. My duties mainly include the handling and husbandry of our study animals and assisting in the collection and analysis of data from them. Since young I’ve always had a keen interest in science as well as an adoration for animals, hence I feel this position is pretty well-suited for me! In my spare time I enjoy messing around on my piano, indulging in video games and even dabbling into fashion. Nice to meet you!

Liyana Nur Farah Binte Makribi
Research Assistant
Liyana is an optometrist with over 11 years of experience spanning retail practice and clinical research coordination. She is skilled in patient care, vision assessment, and supporting research activities, bringing a strong blend of hands-on clinical expertise and operational understanding. Known for her dedication and warmth, Liyana is deeply passionate about helping people and improving their quality of life through eye care.

Vicky T
Research Assistant
Vicky is a fully registered optometrist under Optometrist and Opticians board (OOB) with 6 years’ experience in the optometry industry which includes retail and eye clinics. From a young age, Vicky has been fascinated by the human eye, which led her to pursue a Diploma in Optometry at Singapore Polytechnic (SP) and Bsc (Hons) in Optometry at University of Manchester. Vicky has great passion towards optometry and patient care. Her other interests include photography and creating animations. For leisure, she loves to play badminton and go on hikes.

Jiaul Baksh
Research Associate
Jiaul earned his Master’s degree from Keio University, Tokyo, Japan, and received fellowship training as a pediatric optometrist at the L V Prasad Eye Institute, Hyderabad, India. He joined the Eye N’ Brain Research Group as a Research Associate in January 2025. His current research focuses on developing novel strategies to inhibit myopia progression and exploring the role of the choroid in ocular growth. Outside of his professional pursuits, Jiaul enjoys cooking and listening to music.

Wong Min
Research Assistant
Wong Min is a fully registered optometrist with the Optometrists and Opticians Board, Singapore. She holds a Diploma in Optometry and a BSc (Hons) in Optometry and Clinical Practice. With experience in innovative environments, including startups, she has honed both her clinical expertise and business management skills. Passionate about making healthcare more accessible for everyone, she actively explores innovative ideas and projects to bridge gaps in care. In her free time, she enjoys attending food festivals and playing board games.

Ann Ting
Research Assistant
Hailing from Malaysia, Ann is a clinical optometrist with a keen interest in paediatric optometry and exploring the latest advancements in vision technology. With a degree in Bachelor of Optometry (Hons), she’s dedicated to enhancing lives with clearer vision thru every creative step. Beyond the workplace, Ann finds joy in discovering new food, especially coffee & dessert!
Ph.D. Students
Zhiqun is a Data Scientist and researcher specializing in the intersection of neuro-ophthalmology, artificial intelligence, and computational science. Her work focuses on developing cutting-edge AI-driven tools, including machine learning and deep learning systems, to analyze the intricate neurobiological interactions between the eye and the brain. Dr. Tang’s expertise lies in translating complex visual neuroscience findings into practical clinical applications, particularly in the early detection and classification of myopia, optic neuropathy, and retinal diseases.

M. Vrinda
Ph.D. student
Vrinda graduated from National University of Singapore with bachelor’s in Biomedical engineering (1st class honours), and joined the Eye N’ Brain Research group as a PhD student in August 2025. Her research focuses on the development and validation of scalable biomarkers for health and neurological disease. With this she hopes to develop a solution that can predict and alleviate migraines.

Daniella Mahfoud
Ph.D. student
Daniella graduated from the Lebanese University with a Master’s degree in Behavioral and Cognitive Neuroscience. She joined the Eye N’ Brain Research Group as a PhD student in August 2023. Her current research focuses on exploring non-image forming effects of light, specifically investigating altered non-visual photoreception in patients with glaucoma, and its impact on sleep, alertness, mood, and cognition. She also contributes to the team’s aim of improving the overall wellbeing of patients through holistic treatment approaches that focus on optimizing light exposure.

Sherlyn Seah
Ph.D. student
Sherlyn is a graduate student pursuing her PhD at Yong Loo Lin School of Medicine, specializing in Ophthalmology, under the supervision of Asst. Prof. Raymond Najjar and Assoc. Prof. Donny Hoang. Her research focuses on the influence of scleral fibroblast proliferation and myofibroblast trans-differentiation on biomechanical changes of the sclera and its role in high myopia progression. Additionally, she is interested in investigating how different wavelengths of light can regulate these changes and potentially be used as a means of myopia control. Prior to starting her graduate studies, she obtained a Bachelor of Science (Honours) in Life Science from National University of Singapore.
FORMER TEAM MEMBERS

Ho Choy Peng
Research Assistant
Choy Peng is a fully registered optometrist with the Optometrists and Opticians Board, Singapore. She holds a Diploma in Optometry and BSc (Hons) Optometry and Clinical Practice. She enjoys her work as an optometrist to provide vision and ocular health care to patients and community. She has a vast exposure and experience of 14 years working in the eye industry which includes retail optical chain stores, military medical centers, eye screening company, research institute and clinic. For leisure, she loves to explore new places, especially scenic ones so that she could capture them in photos and immense herself in the great views.
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Shalini Malar
Research Assistant
Shalini is a dedicated professional holding a Medical Degree, and she offers a wealth of experience in clinical quality, driven to ensure safe and quality care; conducting Root Cause Analysis (RCA), Mortality and Morbidity Reviews and Serious Reportable Events mainly for patients within the healthcare settings in Singapore so a continual improvement is imbibed. Over the past 6 years, she has transitioned into data management and clinical research now, bringing her unique blend of medical expertise and research acumen to the field. In this role, Shalini is responsible for overseeing and managing A/Prof Raymond Najjar’s research lab and his projects, with a particular focus on the Lightspan project. Shalini has a passion for essential oils, crafting her own unique blends. She also has a genuine appreciation for the company of honest and jovial individuals.

Pavithra Ashok
Research Associate
Pavithra is a motivated professional with a long-standing background in the healthcare industry. She has 10 years of experience in healthcare as a Registered Nurse in a public healthcare institution, and in managerial roles at a private medical clinic in Singapore. Her passion for healthcare stems from a desire to make a difference in people’s lives, by improving their health and wellbeing. She holds a Masters in Global Health from Uppsala University. She is passionate about research on pressing global/public health issues, and relevant solutions. She believes in the power of quality research in driving solutions for societal health and wellbeing. Beyond her professional life, she enjoys going for long runs, playing tennis, and experimenting with cooking recipes.

Caleb Wong Cheng Yi
Research Assistant
Caleb graduated from National University of Singapore (NUS) with a major in life science and minors in public health and psychology. He has joined A/Prof Raymond Najjar’s research lab since March 2024 to mainly help out with the Lightspan project. He has ample experience in pediatric and oncology (phase 1 and phase 2/3) research trials, is passionate to learn more about clinical research in different fields (neurology, ophthalmology, infectious disease and immunology etc.), and has shown exceptional attitude and ability to climb the learning curve.

Maxwell T. Finkelstein
MD-PhD student at the University of North Carolina School of Medicine
Max began working with Dr. Najjar in 2018 as a Research Assistant at the Singapore Eye Research Institute (SERI). Max’s research focused on using handheld chromatic pupillometry, a novel technique developed by Dr. Najjar at the Singapore Eye Research Institute to examine the pupillary light response, to assess ocular function in health and disease.
These experiences inspired Max to pursue a career in scientific research to improve human health; Max is currently an MD-PhD student at the University of North Carolina School of Medicine.

Dr Sayantan Biswas
BSc (Optometry), MPhil (Optometry), PhD (Ophthalmology and Visual Science), FHEA
Lecturer, School of Optometry, Aston University, UK
I started working with Ray as a postdoctoral research fellow in December 2019 and continued till August 2022 at the Singapore Eye Research Institute. My research focused on controlling lens-induced refractive error using high-intensity light and unrestricted vision in animals. Ray was an exceptional mentor. As his postdoc, I witnessed his profound expertise and dedication first-hand. He is a brilliant academic and a supportive leader who genuinely cares about his team members’ success. His mentorship has been instrumental in shaping my research career.
I am now a lecturer at the School of Optometry at Aston University, United Kingdom, leading the clinical practice development module and my projects on myopia and glaucoma. We continue our collaboration, and I am actively involved in some of Ray’s ongoing projects.

Shermaine Low
BSc (Biological Sciences)
Graduate student at the Medical College of Wisconsin Ophthalmology & Vision Science | Retina Research
Shermaine worked with Dr. Najjar from 2019-2020 as a Research Officer at the Singapore Eye Research Institute (SERI). Her research focused on understanding how environmental lighting can play a role in myopia control using chicken models of form-deprivation and lens-induced myopia. Shermaine is continuing her passion in ophthalmology research and is currently a PhD student at the Medical College of Wisconsin.
