Research groups
Collaborators
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Robert MacLaren
Professor of Ophthalmology
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Jasmina Cehajic-Kapetanovic
MRC Clinician Scientist and Consultant Vitreo-Retinal Surgeon
Amandeep Josan
Specialist Optometrist
Aman is a specialist Optometrist working with Professor Robert Maclaren and Dr Jasmina Kapetanovic assessing outcomes in visual functions after gene therapy treatment in various clinical trials.
Aman obtained a Bachelor’s degree in Optometry from Cardiff University and then went on to train at the Institute of Optometry. Aman later pursued a Master’s degree in Mathematics at Cambridge and a PhD in Physics at Nottingham University. Aman has significant experience working in community practices and has been involved in teaching clinics in the Optometry department at Aston University. Aman has also worked with the charity ‘Vision Aid Overseas’ in African countries helping to train Optometry students and support local eye care services as well as outreach programmes.
In addition to his work in clinical trials, Aman has a particular interest in assessing the accuracy of various key diagnostic tests such as Microperimetry in an effort to understand the limitations of measurement outcomes and identify potential areas of improvement in assessment techniques. Aman also has a keen interest in the emerging use of A.I. for medical image and data analysis.
Recent publications
Central Retinal Sensitivity Decline in RPGR-Related Retinal Phenotypes
Journal article
Josan AS. et al, (2026), American Journal of Ophthalmology, 282, 154 - 161
Reply to Comment on “Retinal vascularization rate predicts retinopathy of prematurity and remains unaffected by low-dose bevacizumab treatment”
Journal article
Chang E. et al, (2025), American Journal of Ophthalmology, 277, 582 - 583
Exploring standard and low luminance visual acuity and the Moorfields Acuity Chart as outcome measures in inherited retinal disease
Journal article
Taylor LJ. et al, (2025), Ophthalmic and Physiological Optics, 45, 1158 - 1163
Retinal Vascularization Rate Predicts Retinopathy of Prematurity and Remains Unaffected by Low-Dose Bevacizumab Treatment
Journal article
Chang E. et al, (2025), American Journal of Ophthalmology, 275, 74 - 87
An Analysis of Scotopic Microperimetry in Healthy Adults
Journal article
Adeyoju DAO. et al, (2025), Translational Vision Science & Technology, 14, 18 - 18
Approval of retinal gene therapies in the US and Europe based on visual acuity and microperimetry
Journal article
Josan AS. et al, (2025), Expert Review of Ophthalmology, 20, 127 - 132
Retinal vascularization rate predicts retinopathy of prematurity and remains unaffected by low-dose bevacizumab treatment
Preprint
Chang E. et al, (2025)
XOLARIS: A 24-Month, Prospective, Natural History Study of 201 Participants with Retinitis Pigmentosa GTPase Regulator-Associated X-Linked Retinitis Pigmentosa
Journal article
MacLaren RE. et al, (2025), Ophthalmology Science, 5, 100595 - 100595
Early‐Onset Cone Photoreceptor Degeneration Is Associated With High Myopia in RPGR ‐Related Retinal Dystrophy
Conference paper
Raji S. et al, (2025), Journal of Ophthalmology, 2025
Ranked Importance of Visual Function Outcome Measures in Choroideremia Clinical Trials
Journal article
Josan AS. et al, (2024), Investigative Ophthalmology & Visual Science, 65, 58 - 58
Exploring Scotopic Microperimetry as an Outcome Measure in Choroideremia
Journal article
Taylor LJ. et al, (2024), Translational Vision Science & Technology, 13, 29 - 29
Establishing Clinical Trial Endpoints in Selecting Patients for RPGR Retinal Gene Therapy
Journal article
Christou EE. et al, (2024), Translational Vision Science & Technology, 13, 18 - 18
Investigating the impact of asymmetric macular sensitivity on visual acuity chart reading in choroideremia
Journal article
Baffour‐Awuah KA. et al, (2024), Ophthalmic and Physiological Optics, 44, 1188 - 1201
Assessment of Visual Function with Cotoretigene Toliparvovec in X-Linked Retinitis Pigmentosa in the Randomized XIRIUS Phase 2/3 Study
Journal article
Lam BL. et al, (2024), Ophthalmology, 131, 1083 - 1093
Correlation Between Fundus Autofluorescence Pattern and Retinal Function on Microperimetry in Choroideremia
Journal article
Poli FE. et al, (2023), Translational Vision Science & Technology, 12, 24 - 24
Choroideremia: The Endpoint Endgame
Journal article
Abdalla Elsayed MEA. et al, (2023), International Journal of Molecular Sciences, 24, 14354 - 14354
Microperimetry as an Outcome Measure in RPGR-associated Retinitis Pigmentosa Clinical Trials
Journal article
Taylor LJ. et al, (2023), Translational Vision Science & Technology, 12, 4 - 4
A cross-sectional study to assess the clinical utility of modern visual function assessments in patients with inherited retinal disease: a mixed methods observational study protocol
Journal article
Taylor LJ. et al, (2023), BMC Ophthalmology, 23
Microperimetry Reliability Assessed From Fixation Performance
Journal article
Josan AS. et al, (2023), Translational Vision Science & Technology, 12, 21 - 21
Changes in Retinal Sensitivity Associated With Cotoretigene Toliparvovec in X-Linked Retinitis Pigmentosa With RPGR Gene Variations
Journal article
von Krusenstiern L. et al, (2023), JAMA Ophthalmology, 141, 275 - 275