COMPLETE SOLUTION SET
◉ What is the most common cause of low vision and blindness
worldwide? Answer: untreated cataract
◉ Which of the following is characteristic of a prescription for
contact lenses? Answer: includes the power of the contact lens and
base curve measurements
◉ What is the primary purpose of disinfection of contact lenses?
Answer: to prevent the growth of bacteria, viruses, and fungi
◉ An allergic reaction related to contact lens wear is most often due
to the individual's sensitivity to which of the following? Answer:
preservative or disinfectant chemical in a lens solution
◉ What is one significant advantage of soft lenses over rigid gas-
permeable lenses? Answer: generally are easier to adapt to and
initially more comfortable to wear
◉ Contact lenses are most likely to be contraindicated for what kind
of patient? Answer: one who is routinely exposed to excessive
amounts of fumes or dust
,◉ What is the only acceptable rinsing solution for contact lenses?
Answer: sterile saline solution
◉ Generally, when inserting a soft contact lens on a patient, where
should the ophthalmic medical assistant first place the lens?
Answer: either on the sclera below the cornea or on the cornea
directly
◉ Cosmetic restorative lenses are most appropriate for patients
with what kind of need? Answer: to use as a prosthetic for disfigured
eyes
◉ What is typical of a corneal abrasion caused by foreign material
lodged between the cornea and the contact lens? Answer: It can
result in a corneal infection.
◉ What signs and symptoms indicate an allergic reaction to contact
lens solutions? Answer: irritation, redness, fogging, and decreased
tolerated wearing time
◉ Which statement applies to silicone hydrogel contact lenses?
Answer: These lenses are often prescribed for patients with dry eyes
and patients with previous problems related to their contact lenses.
, ◉ Which choice is not the result of poor lens fit or inadequate
oxygenation of the cornea? Answer: loss of endothelial cells
◉ Which lens type is best suited for treatment of difficult visual
problems, such as keratoconus or irregular corneal surface? Answer:
rigid gas-permeable lenses
◉ When assisting a patient who feels faint in the office, what should
the ophthalmic medical assistant do first? Answer: Get the patient's
head below the heart.
◉ Of the following, which situation should be treated as an
emergency requiring immediate action? Answer: sudden, painless,
severe loss of vision
◉ Generally, urgent situations are those requiring that the patient be
seen within what timeframe? Answer: 24 to 48 hours
◉ A patient telephones the ophthalmologist's office reporting an
alkali burn in the eye. What should the ophthalmic assistant instruct
the patient to do? Answer: irrigate the eye with water for 20
minutes, and then proceed to the office or emergency facility
◉ If the ophthalmic medical assistant notices a discrepancy between
a patient's report of a traumatic injury and the injury itself, what