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.
1 the dog's bollocks idiom. 2  every dog has its day idiom. 3  give a dog a bad name idiom. 4  done up/dressed up like a dog's dinner idiom. 5  a dog's breakfast idiom. 6  a dog's life idiom.  a dog in the manger idiom.