NCLE Practice Test Questions and Answers
(125 Questions and Answers) (VERIFIED
ANSWERS) |ALREADY GRADED A+
Which layer of the tear film helps to prevent evaporation?
A rigid contact lens used to enhance color vision in patients who have color deficiencies is:
• light green
• dark red
• medium yellow
• dark blue
• dark red
Upon completion of a contact lens fitting, the best way to provide additional information to the
patient on fees, care systems, and wearing schedules is by:
• directing the patient to consult online reference material
• discussing such matters with the patient by telephone, as the need arises
• supplying the patient with pamphlets and office handouts
,• asking the patient to bring up any questions at the next regular visit
• supplying the patient with pamphlets and office handouts
A patient complains of pain upon lens insertion, with excessive tearing and blurry vision. Fluorescein
evaluation reveals zigzag linear corneal staining. These signs and symptoms are most likely due to a:
• tight-fitting lens
• solution sensitivity reaction
• loose-fitting lens
• foreign body under the lens
• foreign body under the lens
The Fairness to Contact Lens Consumers Act covers:
• GP lenses only
• specialty lenses only
• disposable lenses only
• all types of lenses
• disposable lenses only
When a soft diagnostic lens is too flat, it may demostrate:
• limited movement
• impingement on the limbus
• scleral indentation
• edge standoff
• edge standoff
Given the following "K" readings: 41.87@055/43.62@145 What optical condition does the patient
have?
The optical zone width of a GP lens can be assessed with a:
• magnifier with a millimeter grid
• radiuscope
• topogometer
• diameter v-gauge
• magnifier with a millimeter grid
In order to check the front vertex power of a contact lens, the lens should be placed in which of the
following positions relative to the aperture of the lensometer
• concave side to the aperture
• 5 mm in front of the aperture
• peripheral curve opposite the aperture
• convex side to the aperture
• convex side to the aperture
It is recommended that after successful initial follow-up visits, the continuous/extended wear contact
lens patient should be seen:
• monthly, late in the day after a full week of wear
• semiannually, as soon as possible after awakening
• annually, when the lenses are ready to be replaced
• every 18 months, even if no problems are obvious
• semiannually, as soon as possible after awakening
Fluorescein that has been instilled into the eye is best illuminated by using:
• sclerotic scatter
• a green filter
• cobalt blue filter
• a pen light
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