The purpose of this study was to review the qualitative literature on cognitive accessibility in a digital environment and areas of inquiry for future qualitative research in this context. The focus of this literature review was to identify qualitative research in the cognitive accessibility field and how commonly this term is mentioned in qualitative research articles. In this study, a literature review was conducted on selected qualitative research studies performed globally related to cognitive accessibility. This literature review analysed through meta-synthesis. Based on the results of the literature review, an understanding of existing qualitative research was obtained in the cognitive accessibility field, as well as topics for further qualitative research in the cognitive accessibility field.