Save. While an ophthalmologist and an optometrist both work in the eye health care field, there are distinct differences between the two professions. An ophthalmologist who specializes in a variety of eye disorders and conditions, while an optometrist generally checks eyes for the prescription of corrective lenses.
n something that bulges out or is protuberant or projects from its surroundings. âthe bony excrescence between its hornsâ. either prominence of the frontal bone above each orbit. prominence on the outer surface of the occipital bone. a part that bulges deeply.
Wiktionary (0.00 / 0 votes) Rate this definition: object permanence (Noun). The understanding (typically developed during early infancy) that an object still exists even when it disappears from sight, or other senses.