the world > health and disease > ill health > blemish > [noun] > discoloration > circles round eyes (3)
= black eye, n. 2a (cf. blue, adj. 2). Also occasionally: †an eye around which there is a blueness or a dark circle, as from crying (obsolete).
A dark circular mark around or beneath the eyes, noticeable esp. in delicate or sick persons, or in persons who have slept badly.
A circular mark or band.rings round (also under) the eyes: a darkened appearance of the skin near the eyes, resulting from tiredness, illness…