City, University of London Insttutonal Repository Citaton: Ankamah, E., Green-Gomez, M., Roche, W., Ng, E., Welge-Lüßen, U., Kaercher, T., Barbur, J. L. ORCID: 0000-0002-2187-5004 and Nolan, J. M. (2021). Impact of symptomatic vitreous degeneration on photopic and mesopic contrast thresholds. Clinical and Experimental Optometry, doi: 10.1080/08164622.2021.1981116 This is the published version of the paper. This version of the publicaton may difer from the fnal published version. Permanent repository link: https://openaccess.city.ac.uk/id/eprint/27188/ Link to published version: http://dx.doi.org/10.1080/08164622.2021.1981116 Copyright: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs from City Research Online may be freely distributed and linked to. Reuse: Copies of full items can be used for personal research or study, educatonal, or not-for-proft purposes without prior permission or charge. Provided that the authors, ttle and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. City Research Online