The third problem I will address is about the elderly's eyesight.
First of all, all people will sooner or later have eye problems as they get older, no matter how good their eyesight is.
So, as an elderly's eyesight deteriorates.
Most elderlies get conned by con artists who have reputations of cheating the frail and weak eyesight elderly.
Some of the problems are because of:
1) Presbyopia - Difficulty focusing on objects that are close.
2)Diabetic retinopathy - Another complication of diabetics, and a common cause of blindness.
3)Eye Infections - This is quite common also.
Of course, there are many more other forms of eye problems, but it is very hard for an elderly to remain with perfect eyesight forever.