what is cns toxicity
Central nervous system oxygen toxicity manifests as symptoms such as visual changes (especially tunnel vision), ringing in the ears (tinnitus), nausea, twitching (especially of the face), irritability (personality changes, anxiety, confusion, etc.), and dizziness.entral nervous system oxygen toxicity manifests as symptoms such as visual changes (especially tunnel vision), ringing in the ears (tinnitus), nausea, twitching (especially of the face), irritability (personality changes, anxiety, confusion, etc.), and dizziness.