Confused: Do you mean the white part of the eyes? Are they red and irritated? The sclera is generically referred to as the white of the eye, made of a very tough type of protein. When it becomes red,  the causes can vary; from infection, to eye pressure, to injury, dryness of the cornea, allergy, etc. While some causes may be self-limited, others could blind you.
Given that triangle CDE is translated down and to the right, forming triangle C'D'E'. Therefore, the congruency statement that is correct is Î´DCE â Î´D'C'E'.
1 Each triangle congruence theorem uses three elements (sides and angles) to prove congruence. Select three triangle elements from the top, left menu to start.  Note: The tool does not allow you to select more than three elements. If you select the wrong element, simply un-select it before choosing another element.