Skilled Care Facility. A dwelling devoted to two (2) or more persons who have a physical or mental impairment or handicap, or both, chat substantially limits one or more major life activities, such as caring for oneself, performing manual casks, walking, seeing, hearing, speaking, learning, breaching, or working. A physical or mental impairment may include orthopedic, visual, speech, or hearing impairments, alzheimer's disease, presenile dementia, cerebral palsy, epilepsy, muscular dystrophy, multiple sclerosis, cancer, heart disease, diabetes, mental retardation, autism, or emotional illness.