Eye Diagram Labeled Diagram of human eye anatomy with label illustration Stock Vector Image Eye: Definition, How does it Work, Anatomy, and Functions Eye Mask RAHA Striped White Blue. RAHA means relax in arabic. This eye mask is for all those who have trouble falling (and staying) asleep. The eye mask is perfect for keeping your surroundings nice and dark and the weighted feeling on your eyes makes you feel extra sleepy. Also, you can warm or cool the eye mask!