ODP: Contact Lens Final Verified Multiple Choice and
Conceptual Actual Emended Exam Questions With
Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. What are common techniques used to remove soft contact lenses?
a) Pinch method
b) Blink method
c) Slide method
d) Pulling with nails
Answer: a, c
2. Which method is most commonly used to remove rigid gas permeable
(RGP) lenses?
a) Pinch method
b) Blink method
c) Suction cup removal
d) Using tweezers
Answer: b, c
3. What are recommended steps before handling contact lenses?
a) Wash hands thoroughly
b) Use lotion before handling
c) Dry hands with a lint-free towel
d) Remove lenses without looking
Answer: a, c
4. When handling contact lenses, what is important to avoid?
a) Using fingernails
b) Using clean fingers
c) Ensuring lenses are moist
, d) Using excessive force
Answer: a, d
5. How should lenses be stored when not in use?
a) In fresh disinfecting solution
b) Dry in an open case
c) In tap water
d) In saline only
Answer: a
6. What factors influence the edge thickness of a rigid gas permeable lens?
a) Lens diameter
b) Base curve
c) Power of the lens
d) Lens material
Answer: a, c
7. What is the typical recommended edge thickness range for RGP lenses?
a) 0.05-0.08 mm
b) 0.08-0.12 mm
c) 0.12-0.20 mm
d) 0.20-0.30 mm
Answer: b
8. When adjusting power for a high minus spectacle prescription in contact
lenses, what change is generally made?
a) Increase minus power in contact lens
b) Decrease minus power in contact lens
c) Power remains the same
d) Increase plus power in contact lens
Answer: b
9. What lens parameters affect oxygen transmission to the cornea?
a) Lens thickness
b) Material oxygen permeability (Dk)
, c) Base curve radius
d) Lens diameter
Answer: a, b
10.Which design types are common in contact lenses?
a) Spherical
b) Toric
c) Multifocal
d) Progressive
Answer: a, b, c
11.How many extraocular muscles control eye movement?
a) 4
b) 5
c) 6
d) 7
Answer: c
12.Which of the following are primary functions of extraocular muscles?
a) Elevation
b) Abduction
c) Dilation
d) Intorsion
Answer: a, b, d
13.The keratometer is calibrated to measure corneal curvature based on which
index of refraction?
a) 1.333
b) 1.3375
c) 1.376
d) 1.40
Answer: b
14.What are the main layers of the cornea from outside to inside?
a) Epithelium
Conceptual Actual Emended Exam Questions With
Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. What are common techniques used to remove soft contact lenses?
a) Pinch method
b) Blink method
c) Slide method
d) Pulling with nails
Answer: a, c
2. Which method is most commonly used to remove rigid gas permeable
(RGP) lenses?
a) Pinch method
b) Blink method
c) Suction cup removal
d) Using tweezers
Answer: b, c
3. What are recommended steps before handling contact lenses?
a) Wash hands thoroughly
b) Use lotion before handling
c) Dry hands with a lint-free towel
d) Remove lenses without looking
Answer: a, c
4. When handling contact lenses, what is important to avoid?
a) Using fingernails
b) Using clean fingers
c) Ensuring lenses are moist
, d) Using excessive force
Answer: a, d
5. How should lenses be stored when not in use?
a) In fresh disinfecting solution
b) Dry in an open case
c) In tap water
d) In saline only
Answer: a
6. What factors influence the edge thickness of a rigid gas permeable lens?
a) Lens diameter
b) Base curve
c) Power of the lens
d) Lens material
Answer: a, c
7. What is the typical recommended edge thickness range for RGP lenses?
a) 0.05-0.08 mm
b) 0.08-0.12 mm
c) 0.12-0.20 mm
d) 0.20-0.30 mm
Answer: b
8. When adjusting power for a high minus spectacle prescription in contact
lenses, what change is generally made?
a) Increase minus power in contact lens
b) Decrease minus power in contact lens
c) Power remains the same
d) Increase plus power in contact lens
Answer: b
9. What lens parameters affect oxygen transmission to the cornea?
a) Lens thickness
b) Material oxygen permeability (Dk)
, c) Base curve radius
d) Lens diameter
Answer: a, b
10.Which design types are common in contact lenses?
a) Spherical
b) Toric
c) Multifocal
d) Progressive
Answer: a, b, c
11.How many extraocular muscles control eye movement?
a) 4
b) 5
c) 6
d) 7
Answer: c
12.Which of the following are primary functions of extraocular muscles?
a) Elevation
b) Abduction
c) Dilation
d) Intorsion
Answer: a, b, d
13.The keratometer is calibrated to measure corneal curvature based on which
index of refraction?
a) 1.333
b) 1.3375
c) 1.376
d) 1.40
Answer: b
14.What are the main layers of the cornea from outside to inside?
a) Epithelium
