To access the data, click or select the words “Appendix 1.” This will initiate the download of a compressed (pdf) archive that contains the file. Eye fundus: 1. Peripheral bone spicules, attenuated vessels, pale optic nerve · Visual field: normal: 0/ peripheral constriction or diffuse scotoma: 1/ anular scotoma or tubular field with islotes: 2/ Tubular central: 3/ islots or absolute scotoma: 4