With the recognition of permanent disability due to total blindness, a consolidated and unified doctrine? An analysis on the subject of STS 930/2022 of 23 November and in the light of the doctrinal review carried out by STS 199/2023 of 16 March. Revista de Derecho de la Seguridad Social, Laborum, n. 36, p. 139–148, 29 Sep.2023.