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'.
Congruence is the most often used Geometric Property in reasoning and proofs. The word congruence is used to indicate the combined relationship of same shape and same size between geometrical figures. The congruence relationship is defined for basic ideas like line segments and angles and used in extending the concept to other geometric shapes.