The lungs no longer pass oxygen into the blood and carbon dioxide out of the blood. Smoking is a major cause of emphysema. Someone with emphysema may have to wear a mask and carry an oxygen tank to help them breathe. Glaucoma A disease of the retina caused by increased fluid in the eye. Glaucoma is the second leading cause of blindness in the aged.
Symptoms are headaches, nausea, and seeing halos around lights.
Glaucoma can be treated with medication and surgery. Hearing Loss Physical changes in the inner ear can cause hearing loss and communication problems. Incontinence Loss of bowel or bladder control is not a disease, but a symptom. Incontinence could be caused by an infection or other medical condition. It is important to seek medical treatment because most causes of incontinence can be treated.