How many layers are there in the cornea? - ANSWER-5
How many extra-ocular muscles are attached to the sclera? -
ANSWER-6
How many orbital bones are there? - ANSWER-7
What is the primary function of the inferior rectus muscle? -
ANSWER-Turn the eye downward
What does the Aqueous Humor do? - ANSWER-Provides nutrients
for the lens and posterior cornea
What is the anterior chamber? - ANSWER-The area inside the eye
behind the cornea and in front of the lens
,What may ocular drugs be used for? - ANSWER-Anesthetize, dilate,
and treat eye conditions
What are cycloplegic drugs used for? - ANSWER-To dilate the eyes
What is true of sodium fluorescein? - ANSWER-It is a dye that is
impregnated on dry, paper, filter strips
What are used to treat dry eyes? - ANSWER-Artificial tears and
lubricants
What is an example of a topical anesthetic? - ANSWER-
Proparacaine
T or F: Anesthetic drugs cause temporary deadening of the nerve,
which results in a loss of feeling around the area
-
ANSWER-
True
What does the prescription strength of a contact lens determine? -
ANSWER-Lens power
What type of lens is applied after waking and removed before going
to sleep? - ANSWER-Conventional daily wear
,lenses
What is a phoropter? - ANSWER-An instrument containing lenses
that can be used to determine a spectacle
correction
Which drug stimulates the iris dilator muscle, causing the pupil to
dilate? - ANSWER-Mydriatic
What is the benefit of a biomicroscopy? - ANSWER-Gives the
examiner a magnified view of the structure of the
eye. lids,
and lashes
T or F: Monovision corrects one eye for distance and one eye for
near and can be used to correct presbyopia -
ANSWER-
True
What does OD stand for? - ANSWER-Oculus dexter
What does a pachymeter measure? - ANSWER-Thickness of the
cornea
, T or F: Replacement of the crystalline lens with an intraocular lens
creates a condition called pseudophakia -
ANSWER-
True
What are plus lenses used to correct? - ANSWER-Hyperopia and
presbyopia
Can diabetic patient have vision loss due to diabetic retinopathy? -
ANSWER-Yes
Define nystagmus - ANSWER-A visual condition where the eye
makes repetitive, uncontrolled movements often
resulting in
reduced vision
What is corneal topography used for? - ANSWER-To screen patients
before refractive surgery and diagnose
refractive disorders
and diseases
What is the measure of finest detail the eye may detect? - ANSWER-
Visual acuity
T or F: Glaucoma causes damage to the eye - ANSWER-True
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