Because patients needing medically necessary lenses often have irregular corneas, the process involved with fitting these lenses can be a difficult, expensive, time-consuming experience, that requires patience from and perseverence from both the practitioner and the patient.
Best Answer: An animal. Noun - name for an animal, person, place or thing. It refers to an inanimate object or a non-human one. Person refers only to humans. dog is a noun. a noun is a person, place, thing, or idea.
A noun is a word for a person, a place, or a thing. A singular noun is a word for one person, one place, or one thing. A possessive noun is a word that indicates that somethinâ¦g belongs to that person, place, or thing. A possessive singular noun is a singular noun that indicates that something belongs to that noun. EXAMPLES The doctor's office is on the second floor.