A systematic literature review on the usability of mobile applications for visually impaired users. - Muna S. Al-Razgan; Sarah Almoaiqel; Nuha Alrajhi; Alyah Alhumegani; Abeer Alshehri; Bashayr Alnefaie; Raghad AlKhamiss; Shahad Rushdi (PeerJ Comput. Sci., 2021)