Affiliation: | a School of Engineering, University of Aberdeen, Fraser Noble Building, Aberdeen AB24 3UE, UK b Centre for Vision and Vascular Science, School of Medicine, Dentistry and Biomedical Science, Queen’s University Belfast, Grosvenor Road, Belfast BT12 6BA, UK c Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia |