What imaging techniques does NOT provide a color-coded map? Right Ans
- A. Indocyanine Green chorioangiography
Changing the base curve of a contact lens changes the fitting characteristics of
the lens due to a change in sagittal depth. Increasing the base curve radius of a
contact lens while maintaining the same diameter will cause the lens to fit
Right Ans - B. Flatter and looser
The denominator in the visual acuity recording of a low vision patient is
Right Ans - C. Larger than for the patient with normal visual acuity.
Retroillumination detects Right Ans - A. opacities or defects in the iris
A fluorescein angiogram is used for which of the following? Right Ans - C.
Viewing detail, such as blockages in fundus blood vessels.
What is first seen (recorded) in fluorescein angiography? Right Ans - C.
Choroidal flush
To photograph the posterior pole, the center of focus is Right Ans - C.
Between the macula and the optic disc
In what phase is the "Choroidal flush" seen? Right Ans - A. Pre-arterial
What happens at the chiasmal junction? Right Ans - C. The nasal fibers of
each optic nerve cross over to the other side
What two items are used to clean the following lenses: retinoscopy, polarizing,
red and maddox rod? Right Ans - C. Cotton tip swab and glass cleaner
What is the term for the concentration of a chemical in a pharmaceutical
solution? Right Ans - C. Tonicity
What is a possible side effect of Ampicillin? Right Ans - A. Anaphylactic
reaction
, The strength of the middle segment in a trifocal lens is Right Ans - B. 50%
of the strength of the reading segment add.
Which of the following properly represents the steps used to convert a
spherocylindrical lens into its equivalent. Right Ans - C. Divide the cylinder
power in half; then add the spherical power.
What are two types of bridges located on a spectacle frame? Right Ans - C.
Keyhole and saddle
Spectacle blur is unclear vision associated with Right Ans - B. changing
from contacts to spectacles
Which of the following has been designed to measure visual acuity by
bypassing optical medical defects? Right Ans - B. Laser interferometry
Which of the following is a sign? Right Ans - C. A shallow anterior chamber
How is a properly applied eye dress secured? Right Ans - C. Parallel strips
of surgical tape from the forehead to the cheekbone
What is a symptom of hyperthyroidism? Right Ans - B. shortness of breath
What is the name of the condition where both the globe and the ocular tissue
are missing? Right Ans - A. Anophthalmia
Evisceration is the Right Ans - A. Surgical removal of the contents of the
globe
Inflammation of the tear sac associated with faulty tear drainage is Right
Ans - B. Dacryocystitis
Which of the following is NOT normally considered in the differential
diagnosis of an inflamed, red eye? Right Ans - C. Dacryocystitis
In which of the following ocular conditions is the direction of gaze a factor in
intraocular pressure determination? Right Ans - B. Thyroid
ophthalmopathy
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