Complex sentence: Due to the backblast of his staff in a fight, Teal'c is injured and blind, his symbiote has also been injured, and must focus on healing itself before healing Teal'c.
Split into simpler sentences: Due to the backblast of his staff in a fight, Teal'c is injured and blind. His symbiote has also been injured, and must focus on healing itself before healing Teal'c.