NCLE LATEST 2026 TEST PAPER QUESTIONS AND
SOLUTIONS GRADED A+
✔✔Upon initial insertion of a GP lens, the patient complains about flare. To correct this
problem, the fitter should choose a lens with a/an:
a) increased base curve
b) increased optical zone
c) decreased optical zone
d) flattened base curve - ✔✔b) increased optical zone
✔✔Which curve would a fitter modify to allow more tear flow under the edge of a rigid
lens?
a) Posterior peripheral curve
b) Optical curve
c) Anterior peripheral curve
d) Anterior central curve - ✔✔a) Posterior peripheral curve
✔✔If a well fitted diagnostic lens has a -3.00 power and the over-refraction at 12mm is -
2.00, the correct lens power to order is:
a) -4.50
b) -4.75
c) -5.00
d) -5.25 - ✔✔c) -5.00
✔✔For a patient with 1.25D of with-the-rule astigmatism, who is active outdoors and
who operates heavy construction equipment, the most appropriate type of contact lens
would be:
a) soft toric lenses
b) spherical gas permeable lenses
c) spherical soft lenses
d) toric gas permeable lenses - ✔✔a) soft toric lenses
✔✔Which of the following instruments is most commonly used to measure the diameter
of the optical zone of a contact lens?
a) contactometer
b) radiuscope
c) measuring magnifyer
d) lensometer - ✔✔c) measuring magnifyer
,✔✔According to the US Food and Drug Administration, the maximum time allowable for
continuous wearing of silicone hydrogel lenses is:
a) 7 days
b) 14 days
c) 21 days
d) 30 days - ✔✔d) 30 days
✔✔When ridig lenses are received from the manufacturer, which of the following
instuments is not needed for inspection and verification?
a) biomicroscope
b) radiuscope
c) lensometer
d) measuring magnifyer - ✔✔a) biomicroscope
✔✔When using a lid manipulation to assist in "popping" a rigid lens off the eye, the
wearer should first make sure that the:
a) lower lid meets the lower part of the cornea
b) lens is resting on the cornea, where the fissure is widest
c) edge of the lens has been located with a penlight
d) lens is resting on the sclera, where the tissue is widest - ✔✔b) lens is resting on the
cornea, where the fissure is widest
✔✔The most effective way to remove a soft contact lens that has adhered to the cornea
is to:
a) firmly press the lids against the sclera with fingertips, release, then blink the lid
closed firmly
b) gently pinch the lens directly off the cornea with clean fingertips
c) affix a suction cup to the center of the lens and pull it straight away, using steady
pressure
d) irrigate the eye with lubricant until the lens moves freely, then remove as usual -
✔✔d) irrigate the eye with lubricant until the lens moves freely, then remove as usual
✔✔Following the fitting and dispensing of any continuous wear contact lenses, it is
advisable to see the patient:
a) the following morning
b) in 2 weeks
c) within 2 days
d) in 1 week - ✔✔a) the following morning
✔✔The fitter can differientiate between a back toric lens and bitoric lens by utilizing a:
, a) radiuscope
b) keratometer
c) profile analyzer
d) lensometer - ✔✔a) radiuscope
✔✔The instrument designed primarily to measure the base curve of a contact lens is
the:
a) keratometer
b) radiuscope
c) lensometer
d) ophthalmascope - ✔✔b) radiuscope
✔✔The most frequently used corneal contact lenses for patients with keratoconus are:
a) specially designed cone lenses
b) bandage contact lenses
c) scleral lenses
d) soft contact lenses - ✔✔a) specially designed cone lenses
✔✔The majority of continuous wear hydrophillic soft lenses are composed of:
a) plymethyl-methacrylate
b) fluorosilicone acrylate
c) silicone acrylate
d) silicone hydrogel - ✔✔d) silicone hydrogel
✔✔A drooping of the upper lid is called:
a) entropion
b) strabismus
c) ptosis
d) nystagmus - ✔✔c) ptosis
✔✔A spherical rigid contact lens has:
a) a ballast system to accommodate rotational effects
b) one continuous curve throughout the optical zone
c) correction for approximately 1.5D of presbyopia
d) a back surface curve that flattens progressively - ✔✔b) one continuous curve
throughout the optical zone
✔✔Which layer of the tear film helps to prevent evaporation?
SOLUTIONS GRADED A+
✔✔Upon initial insertion of a GP lens, the patient complains about flare. To correct this
problem, the fitter should choose a lens with a/an:
a) increased base curve
b) increased optical zone
c) decreased optical zone
d) flattened base curve - ✔✔b) increased optical zone
✔✔Which curve would a fitter modify to allow more tear flow under the edge of a rigid
lens?
a) Posterior peripheral curve
b) Optical curve
c) Anterior peripheral curve
d) Anterior central curve - ✔✔a) Posterior peripheral curve
✔✔If a well fitted diagnostic lens has a -3.00 power and the over-refraction at 12mm is -
2.00, the correct lens power to order is:
a) -4.50
b) -4.75
c) -5.00
d) -5.25 - ✔✔c) -5.00
✔✔For a patient with 1.25D of with-the-rule astigmatism, who is active outdoors and
who operates heavy construction equipment, the most appropriate type of contact lens
would be:
a) soft toric lenses
b) spherical gas permeable lenses
c) spherical soft lenses
d) toric gas permeable lenses - ✔✔a) soft toric lenses
✔✔Which of the following instruments is most commonly used to measure the diameter
of the optical zone of a contact lens?
a) contactometer
b) radiuscope
c) measuring magnifyer
d) lensometer - ✔✔c) measuring magnifyer
,✔✔According to the US Food and Drug Administration, the maximum time allowable for
continuous wearing of silicone hydrogel lenses is:
a) 7 days
b) 14 days
c) 21 days
d) 30 days - ✔✔d) 30 days
✔✔When ridig lenses are received from the manufacturer, which of the following
instuments is not needed for inspection and verification?
a) biomicroscope
b) radiuscope
c) lensometer
d) measuring magnifyer - ✔✔a) biomicroscope
✔✔When using a lid manipulation to assist in "popping" a rigid lens off the eye, the
wearer should first make sure that the:
a) lower lid meets the lower part of the cornea
b) lens is resting on the cornea, where the fissure is widest
c) edge of the lens has been located with a penlight
d) lens is resting on the sclera, where the tissue is widest - ✔✔b) lens is resting on the
cornea, where the fissure is widest
✔✔The most effective way to remove a soft contact lens that has adhered to the cornea
is to:
a) firmly press the lids against the sclera with fingertips, release, then blink the lid
closed firmly
b) gently pinch the lens directly off the cornea with clean fingertips
c) affix a suction cup to the center of the lens and pull it straight away, using steady
pressure
d) irrigate the eye with lubricant until the lens moves freely, then remove as usual -
✔✔d) irrigate the eye with lubricant until the lens moves freely, then remove as usual
✔✔Following the fitting and dispensing of any continuous wear contact lenses, it is
advisable to see the patient:
a) the following morning
b) in 2 weeks
c) within 2 days
d) in 1 week - ✔✔a) the following morning
✔✔The fitter can differientiate between a back toric lens and bitoric lens by utilizing a:
, a) radiuscope
b) keratometer
c) profile analyzer
d) lensometer - ✔✔a) radiuscope
✔✔The instrument designed primarily to measure the base curve of a contact lens is
the:
a) keratometer
b) radiuscope
c) lensometer
d) ophthalmascope - ✔✔b) radiuscope
✔✔The most frequently used corneal contact lenses for patients with keratoconus are:
a) specially designed cone lenses
b) bandage contact lenses
c) scleral lenses
d) soft contact lenses - ✔✔a) specially designed cone lenses
✔✔The majority of continuous wear hydrophillic soft lenses are composed of:
a) plymethyl-methacrylate
b) fluorosilicone acrylate
c) silicone acrylate
d) silicone hydrogel - ✔✔d) silicone hydrogel
✔✔A drooping of the upper lid is called:
a) entropion
b) strabismus
c) ptosis
d) nystagmus - ✔✔c) ptosis
✔✔A spherical rigid contact lens has:
a) a ballast system to accommodate rotational effects
b) one continuous curve throughout the optical zone
c) correction for approximately 1.5D of presbyopia
d) a back surface curve that flattens progressively - ✔✔b) one continuous curve
throughout the optical zone
✔✔Which layer of the tear film helps to prevent evaporation?
