Optic Neuropathy, IschemicPapilledemaArteritisOptic NerveRose BengalOptic DiskRetinal Ganglion CellsGiant Cell ArteritisVisual FieldsOptic NeuritisEthmoid SinusitisFundus OculiInfarctionBlindnessVisual AcuityFluorescein AngiographyTomography, Optical CoherenceOptic Atrophy, Hereditary, LeberAxonsOptic Nerve DiseasesOptic Atrophies, HereditaryVision DisordersVisual Field TestsTemporal ArteriesDiabetic NeuropathiesDecompression, SurgicalOptic Atrophy