Examples from the Web for proper fraction Expand. Historical Examples. A proper fraction is ââ than a unit, because it expresses ââ parts than a unit contains.
Sunken eyes mainly appear with aging and can happen due to many reasons. These reasons can be external, like stress and tension, or internal, like lack of sleep, dehydration, and improper diet. This is an aggravated condition of dark circles that makes the underside of eyes look sunken. Most women opt for medical remedies for the improvement of this condition.
Best Answer: Common Causes of Dark Circles Under Eyes. Thinning skin. The skin under the eyes is thin and delicate to begin with. As we age, skin and the fat pad under the eyes becomes thinner, causing blood vessels to become noticeable. This gives the appearance of dark circles. Sun damage can make it worse because it weakens skin.