The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can see.
        
                    
             
        
        
        
<span> Not the Same as </span>Side Effect<span> </span>Adverse<span> events are unintended pharmacologic </span>effects<span> that </span>occur<span> when a </span>medication<span> is </span>administered<span> correctly while </span>a side effect<span> is a secondary unwanted </span>effect<span> that </span>occurs<span> due to </span>drug <span>therapy.</span>