med term chapter 14

The physician noted in the physical examination that the patient had anisocoria. This means

that the patient had ________.

• blood in the anterior chamber of his eye

• a swelling of the optic nerve in the back of the eye

• crossed eyes

• pupils that were unequal in size

Mydriatic eye drops are given to a patient before an examination of the internal eye in order to

________.

• dilate the pupils

• anesthetize the conjunctivae

• cleanse the eye of mucus

• decrease the flow of tears

The combining form irid/o- refers to the ________.

• sclera of the eye

• eyelid

• tears

• colored portion of the eye

Which of the following statements about the sclera is TRUE?

• It is the middle layer that goes around the eyeball.

• It bends or refracts light rays entering the eye.

• It is the area of greatest visual acuity.

• It helps to maintain the shape of the eye.

In bright light, the muscles of the iris contract, reducing the size of the pupil in order to keep

too much light from entering the eye. This process is called ________.

• mydriasis

• myopia

• miosis

• macula

Which is the abbreviation for the left eye?

• OD

• OU

• OS

• IOL

The blind spot of the eye is found at the ________.

• macula

• fundus

• fovea

• optic disk

Across the anterior surface of the eye, the ________ sclera becomes the ________ cornea.

• medial; lateral

• transparent; white, opaque

• white, opaque; transparent

• lateral; medial

The ability of both eyes to turn medially toward the nose and maintain focus as an object

approaches the face is called ________.

• accommodation

• convergence

• stereoscopic vision

• conjugate gaze

The patient complained of a recent painful swelling of the eyelid. The physician told the

patient that he had a stye. The medical word for this condition is ________.

• keratitis

• hyperopia

• photophobia

• hordeolum