“…The result of the study concur with Ismail et al, [15] and Patel et al, [35] which reported a decrease in concentration of SOD in comparison to the control with a significant negative correlation with COHb level. However, the result disagreed with the findings of Thom et al, [31]; Webber et al, [36]; Piantaosi et al, [37]; Hamed et al, [38] and Kavakli et al, [13]. The Pearson correlational study also showed a linear relationship between acute grades of CO and vitreous SOD ( Figure. 2).…”