There are several factors that influence the malnutrition and dehydration of older adults, among them, some of which are biological, psychological and social. The older adult may have physical problems in salivation, chewing and swallowing problems. Similarly, older adults may have metabolic problems that aggravate the situation.
Finally there may also be problems of depression and their own context can aggravate the situation
You usually start off with twenty baby teeth. If she is losing four each year you would divide the amount of baby teeth by four: 20/4=5 So she lost all her teeth by Five years of age.
Because she has a limited field of view in each eye, this will damage her eyesight. It impairs the patient's vision by disrupting the axons in both eyes' nasal fields, resulting in vision loss in both eyes.