Medical Terminology Simplified

11–31 Eyelids shade the eyes during sleep, protect them from excessive light and

foreign objects, and spread lubricating secretions over the eyeballs.

Use blephar/o(eyelid) to construct medical words that mean

surgical repair of eyelid:____________________ / _____ / ____________________

twitching of an eyelid:____________________ / _____ / ____________________

prolapse of an eyelid:____________________ / _____ / ____________________

11–32 Blephar/o/ptosis is commonly seen after a stroke, because the muscles

leading to the eyelids become paralyzed.

Indicate the elements in this frame that mean

eyelid:____________________ / _____

prolapse, downward displacement:____________________

11–33 The (1) lacrimal glandis located above the outer corner of each eye.

These glands produce tears, which keep the eyeballs moist. The (2) lacrimal saccol-

lects and drains tears into the (3) nasolacrimal duct.Label the lacrimal structures

in Figure 11–3.

_____________________

11–34 The CF dacry/ois used in words to mean tear; lacrimal sac.Dacry/o/rrhea

is an excessive flow of ____________________.

Boldfaceindicates a word root or combining form. Blueindicates a suffix. Pinkindicates a prefix.

516 CHAPTER 11• Special Senses: Eyes and Ears

Emmetropia (normal) Myopia

Hyperopia Astigmatism

Figure 11-2Refraction of the eye.

blephar/o/plasty

BLĔF-ă-rō-plăs-tē

blephar/o/spasm

BLĔF-ă-rō-spăzm

blephar/o/ptosis

blĕf-ă-rō-TŌ-sĭs

blephar/o

-ptosis

tears

tears