1. Department of Optometry and Vision Science, College of Health and Allied Sciences University of Cape Coast Cape Coast Ghana
2. Biomedical and Clinical Research Center, College of Health and Allied Sciences University of Cape Coast Cape Coast Ghana
3. School of Optometry and vision science, Faculty of Medicine and Health University of New South Wales Sydney Australia
4. Department of Ophthalmology and Visual Sciences, Faculty of Medicine The Chinese University of Hong Kong Hong Kong The People's Republic of China
5. School of Science Edith Cowan University Joondalup Australia