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Ncle Part One Questions And Answers With Verified Solutions 100% Correct Latest Updated
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Ncle Part One Questions And Answers With Verified Solutions 100% Correct Latest Updated
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Ncle Part One Questions And AnswersWith Verified Solutions 100% Correct
Latest Updated 2024\2025
The first successful contact lenses which were originally molded to conform to the
shape of the cornea were known as - ANSWER✔✔ Scleral/Haptic lenses
Corneal contact lenses: - ANSWER✔✔ are the most common design for rigid and
gas permeable lenses.
The majority of soft lenses fit today are: - ANSWER✔✔ semi-scleral
A liquid coming in contact with a hydrophilic lens material with a relatively small
wetting angle would be likely to: - ANSWER✔✔ spread evenly over its surface
A contact lens with diameter larger than that of the cornea is called - ANSWER✔✔
Scleral/haptic lens
All of the following are symptoms of a loose fitting lens except: - ANSWER✔✔
burning
Of those curves listed, which indicates the flattest base curve? - ANSWER✔✔
37.50 diopters
A contact lens was ordered with a base curve of 7.85 mm but was received back
from the laboratory with a base curve measuring 7.80 mm. The base curve of the
actual lens is: - ANSWER✔✔ 0.25 D steeper than the lens ordered
, It is noticed that a rigid contact lens containing a base curve of 7.42 mm is fitting
quite loose. A tighter fit may be achieved by changing the base curve to: -
ANSWER✔✔ Reduce to tighten bc
A contact lens has a base curve of 7,50 mm, Its posterior peripheral curve would
most likely be: - ANSWER✔✔ 42.50 D
The secondary curve of a rigid contact lens is generally: - ANSWER✔✔ 2 to 4
diopters flatter than the CPC
The term "Haptic Lens" is used in reference to: - ANSWER✔✔ scleral lens
The CPC of a contact lens measures 7.5 mm radius of curvature. Its power in
diopters is: - ANSWER✔✔ 45.00 D
The fitting characteristics of a gas permeable rigid contact lens may be altered by:
- ANSWER✔✔ changing the radius of curvature of the CPC, increasing the
diameter, & widening the PPC
A soft contact lens demonstrates excessive movement. This may be remedied by:
- ANSWER✔✔ a larger diameter tightens lens
The term "sagittal value" refers to: - ANSWER✔✔ the vaulting effect of a contact
lens
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