CERTIFIED OPHTHALMIC ASSISTANT
JCAHPO CERTIFICATION TEST PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
⩥Definition of Spectacles .Answer: An optical appliance composed of
lenses and a frame with sides.
⩥PD is measured. Answer: From the nasal edge of the pupil on the right
eye to the temporal side of the patient's left eye
⩥Light reflex method. Answer: used to measure PD gives distance
between the visual axis of the two eyes
⩥Optical Center. Answer: The thinnest part in the center of any minus
lens
or the thickest part of the center of a plus lens
⩥Patients with long faces need these types of frames Answer: wide
frames or horizontally long
⩥Patients with long noses need these types of frames Answer: low-
fitting bridge bar and dark color
,⩥Patients with small noses need these types of frames Answer: keyhole
bridge or bridge bar set high
⩥Patients with eyes set too closely together need these types of frames
Answer: frames that are greater in depth at outer ends
⩥Eyes positioned up and in or down and in are in what position?
Answer: Tertiary Position
⩥Duction Answer: movement of one eye from one position to another in
one direction
⩥Version Answer: The movement of both eyes in the same direction
⩥Both eyes move right, this is? Answer: dextroversion
⩥both eyes move left, this is? Answer: levoversion
⩥both eyes move up, this is? Answer: sursumerversion
⩥both eyes move down, this is? Answer: deorsumversion
⩥Lateral & Medial rectus muscles move the eye? Answer: horizontally
,⩥Superior and Inferior rectus moves they eye? Answer: vertically
⩥Inferior and Superior oblique muscles move the eye? Answer: intorts
and extorts
⩥Intorsion Answer: inward movement of the eye
⩥extorsion Answer: outward movement of the eye
⩥How many muscles of the eye are there? Answer: 6
⩥Name the muscles of the eye. Answer: medial rectus
lateral rectus
superior rectus
inferior rectus
superior oblique
inferior oblique
⩥Maddox rod is? Answer: a group of red or colorless parallel glass rods
that act as a cylinder to dissociate the eyes and prevent from fusing.
, ⩥Maddox rod is used to detect what disorders? Answer: heterotropia and
heterophoria
⩥A prism? Answer: is a triangular or wedge-shaped piece of plastic or
glass that has the property of displacing a bundles of light toward the
base of the prism.
⩥Prisms measure? Answer: The presence and the amount of any Tropias
or Phorias
⩥3 Test used to measure muscle imbalance? Answer: Krimsky Test
Maddox Rod prism Test
Cover Test
⩥At what age do children start to participate more voluntarily in the
assessment of their visual acuity? Answer: 3-5 years of age
⩥Pharmacology Answer: deals with the basic properties of drugs, their
actions, their fate in the human body, and their known side effects.
⩥Solutions are usually instilled in the? Answer: The conjunctival sac
⩥Solutions that have a pH greater than 7 are said to be? Answer:
Alkaline or basic
JCAHPO CERTIFICATION TEST PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
⩥Definition of Spectacles .Answer: An optical appliance composed of
lenses and a frame with sides.
⩥PD is measured. Answer: From the nasal edge of the pupil on the right
eye to the temporal side of the patient's left eye
⩥Light reflex method. Answer: used to measure PD gives distance
between the visual axis of the two eyes
⩥Optical Center. Answer: The thinnest part in the center of any minus
lens
or the thickest part of the center of a plus lens
⩥Patients with long faces need these types of frames Answer: wide
frames or horizontally long
⩥Patients with long noses need these types of frames Answer: low-
fitting bridge bar and dark color
,⩥Patients with small noses need these types of frames Answer: keyhole
bridge or bridge bar set high
⩥Patients with eyes set too closely together need these types of frames
Answer: frames that are greater in depth at outer ends
⩥Eyes positioned up and in or down and in are in what position?
Answer: Tertiary Position
⩥Duction Answer: movement of one eye from one position to another in
one direction
⩥Version Answer: The movement of both eyes in the same direction
⩥Both eyes move right, this is? Answer: dextroversion
⩥both eyes move left, this is? Answer: levoversion
⩥both eyes move up, this is? Answer: sursumerversion
⩥both eyes move down, this is? Answer: deorsumversion
⩥Lateral & Medial rectus muscles move the eye? Answer: horizontally
,⩥Superior and Inferior rectus moves they eye? Answer: vertically
⩥Inferior and Superior oblique muscles move the eye? Answer: intorts
and extorts
⩥Intorsion Answer: inward movement of the eye
⩥extorsion Answer: outward movement of the eye
⩥How many muscles of the eye are there? Answer: 6
⩥Name the muscles of the eye. Answer: medial rectus
lateral rectus
superior rectus
inferior rectus
superior oblique
inferior oblique
⩥Maddox rod is? Answer: a group of red or colorless parallel glass rods
that act as a cylinder to dissociate the eyes and prevent from fusing.
, ⩥Maddox rod is used to detect what disorders? Answer: heterotropia and
heterophoria
⩥A prism? Answer: is a triangular or wedge-shaped piece of plastic or
glass that has the property of displacing a bundles of light toward the
base of the prism.
⩥Prisms measure? Answer: The presence and the amount of any Tropias
or Phorias
⩥3 Test used to measure muscle imbalance? Answer: Krimsky Test
Maddox Rod prism Test
Cover Test
⩥At what age do children start to participate more voluntarily in the
assessment of their visual acuity? Answer: 3-5 years of age
⩥Pharmacology Answer: deals with the basic properties of drugs, their
actions, their fate in the human body, and their known side effects.
⩥Solutions are usually instilled in the? Answer: The conjunctival sac
⩥Solutions that have a pH greater than 7 are said to be? Answer:
Alkaline or basic
