American Board of Opticianry (ABO) Practice Test

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What is the term for eyelids in optometry and ophthalmology?

A. Canthus
B. Orbit
C. Palpebra
D. Bulbar

The correct answer is: C. Palpebra

The term for eyelids in optometry and ophthalmology is known as "palpebra". The other options refer to different parts of the eye anatomy. The canthus (option A) is the corner of the eye where the upper and lower eyelids meet. The orbit (option B) is the bony cavity that contains the eyeball, muscles, nerves, and blood vessels. The bulbar (option D) refers to the white outer layer of the eyeball. All of these options are important structures in the eye, but they do not specifically refer to the eyelids. Therefore, the correct term for eyelids in this context is "palpebra" (option C).