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.
Quick Answer. Right Diagnosis lists 40 medical causes of sunken eyes. The most common of these are dehydration, malnutrition, fatigue, extreme weight loss, underactive thyroid and Horner's syndrome, a condition of the nervous system. Several genetic disorders, such as whistling face syndrome, RHYNS syndrome and Krause syndrome also cause sunken eyes, but these conditions are rare.