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.
Blood vessels under the eyes can become dilated and engorged, which can contribute to dark circles. Excess dietary salt and smoking are common causes. Conditions that cause fluid retention (e.g. heart, thyroid, kidney, liver diseases) or medications that cause blood vessel dilation may be a factor.