Raymond Najjar

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Assistant Professor (Tenure Track)

National University of Singapore (NUS)

Singapore

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About

Dr. Raymond Najjar is an Assistant Professor (Tenure Track) at the National University of Singapore. His research primarily focuses on vision-related topics, including contrast sensitivity, optical coherence tomography parameters in angle closure disease, and the effects of lighting conditions on visual perception. He has published recent articles exploring the psychometric evaluation of quality of life in age-related macular degeneration and the application of deep learning in ophthalmology. His work also investigates myopia stabilisation and the influence of environmental factors on eye health.

Recent Grants

Grant: Close

The drive for myopia: interactions between light and optics

Open Date: 2019-01-01

Close Date: 2023-01-01

Grant: Close

Light and Outdoor Patterns for the Prevention of Myopia

Open Date: 2018-06-01

Close Date: 2021-06-01

Grant: Close

Sunlike LEDs as a countermeasure for myopia

Open Date: 2018-01-01

Close Date: 2020-01-01

Grant: Close

Functional Features of Outer Retinal Dysfunction Detected using Handheld Chromatic Pupillometry

Open Date: 2018-01-01

Close Date: 2021-01-01

Grant: Close

Light-therapy Strategies to Alleviate the Impacts Shift Work

Open Date: 2015-07-01

Close Date: 2015-11-01

Articles (18)

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2025

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2023

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2023

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2023

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2023

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2023

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2022

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2022

Collaborators (11)

Manuel Spitschan

Technical University of Munich

GERMANY

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Laura Kervezee

Assistant professor

Leiden University Medical Center

NETHERLANDS

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shigekazu higuchi

Professor

Kyushu University

JAPAN

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Bingyao Tan

Singapore Eye Research Institute

SINGAPORE

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Claude Gronfier

Senior Research Associate / Associate Professor (tenure)

FRANCE

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Sayantan Biswas

Aston University

UNITED KINGDOM

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Charumathi Sabanayagam

Associate Professor

Duke-NUS Medical School

SINGAPORE

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Ecosse Lamoureux

Professor

Duke-NUS Medical School

SINGAPORE

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Xinyu Liu

Assistant professor

Duke-NUS Medical School

SINGAPORE

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Ryan Man

Singapore Eye Research Institute

SINGAPORE

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Taisuke Eto

Project Assistant Professor

Keio University

JAPAN

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Raymond Najjar

Research Interests

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About

Recent Grants

Articles (18)

Age-Dependent Impacts of Lighting Conditions on Contrast Sensitivity and Subjective Visual Perception Focusing on Pupil Size and Crystalline Lens Transmittance

Subtypes of primary angle closure disease based on age-independent anterior segment optical coherence tomography parameters

Psychometric evaluation and computerized adaptive testing simulations of age-related macular degeneration quality of life item banks

Brighter future for light therapy: harmonising the reporting of light interventions in psychiatry

The influence of the environment and lifestyle on myopia

A Deep Learning Approach for Accurate Discrimination Between Optic Disc Drusen and Papilledema on Fundus Photographs.

Differences in the pupillary responses to evening light between children and adolescents.

Melatonin suppression by light involves different retinal photoreceptors in young and older adults

Factors influencing myopia stabilisation in young myopic adult Singaporeans

Handheld chromatic pupillometry can reliably detect functional glaucomatous damage in eyes with high myopia

Associations between sleep and eye diseases: The concurrent promotion of sleep health and tackling knowledge gaps is key for better public health outcomes

Posterior scleral birefringence measured by triple-input polarization-sensitive imaging as a biomarker of myopia progression

Handheld chromatic pupillometry can accurately and rapidly reveal functional loss in glaucoma

Discriminating Between Papilledema and Optic Disc Drusen Using 3D Structural Analysis of the Optic Nerve Head

A Deep Learning System for Automated Quality Evaluation of Optic Disc Photographs in Neuro-Ophthalmic Disorders

Deep Learning System Outperforms Clinicians in Identifying Optic Disc Abnormalities.

Chromatic pupillometry in multiple evanescent white dot syndrome masquerading as atypical optic neuritis

Association between Risk of Obstructive Sleep Apnea and Glaucoma: The Singapore Epidemiology of Eye Disease Study.

Collaborators (11)

Manuel Spitschan

Laura Kervezee

shigekazu higuchi

Bingyao Tan

Claude Gronfier

Sayantan Biswas

Charumathi Sabanayagam

Ecosse Lamoureux

Xinyu Liu

Ryan Man

Taisuke Eto

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