Sentence 1: On a bright day, Mike looked at the sun. 
 Sentence 3: He thought why this might happen 
 Sentence 4:  Instead, he looked to the sides of the bright sun 
 Sentence 5:  Now, he could enjoy the light while staying safe 
 Option 1: He begins to lose his full vision permanently. 
 Option 2: His eyes began to hurt immediately.