CPO Practice EXAM (Latest 2026) Exam
Questions and Answers 100% Correct
(verified)
‣ Emmetropia -✓✓The state of refraction of the eye in which parallel rays, when
the eye is at rest, are focused exactly on the retina.
‣ Optical Infinity -✓✓20 feet
‣ Biomicroscope -✓✓Tabletop microscope for examining the cornea, lens and
otherwise clear fluids and membranes to be examined in layer by layer detail.
‣ Keratometer -✓✓An instrument used to measure the curvature of the cornea.
‣ Opthalmoscope -✓✓An instrument used to examine the interior of the eye
‣ Lensometer -✓✓device for obtaining eyeglass prescriptions
‣ OCT -✓✓Optical Coherence Tomography
‣ Mydriatic Drop -✓✓Placed into the eyes to produce temporary paralysis, forcing
pupils to remain dilated
‣ Hyphema (hi-fee-mah) -✓✓blood in anterior chamber of the eye, as seen during
the fundoscopic exam
‣ Hypopyon (hi-poh-pee-on) -✓✓pus in the anterior chamber of the eye
‣ Idopsin -✓✓The light sensitive pigment in Cones.
‣ Krause Gland -✓✓Located underneath eyelid. Produces tears which are secreted
onto the surface of the conjunctiva.
‣ Meibomian Gland -✓✓responsible for the supply of meibum, an oily substance
that prevents evaporation of the eye's tear film.
, ‣ Trichromat -✓✓"Normal" color vision
‣ Legal Blindness -✓✓20/200
‣ Simple Myopic Astigmatism -✓✓The refractive condition where one point of
focus falls on the retina and the other point of focus falls in front of the retina.
‣ Compound Myopic Astigmatism -✓✓the refractive error which results in two
point of focus falling in front the retina example: -1.00 -2.00x090
‣ Mixed Astigmatism -✓✓The refractive condition in which light comes to two
points of focus where one point is in front of the retina, and the other is behind it.
‣ Simple hyperopic astigmatism -✓✓one meridian focuses on the retina while the
other, in theory, focuses behind the retina
‣ Amblyopia -✓✓a dimness of vision or the partial loss of sight, especially in one
eye, without detectable disease of the eye
‣ The Four "O's" -✓✓1. Optometrist 2. Ophthalmologist 3. Optician 4. Opthalmic
Medical Personnel
‣ Triage Categories -✓✓1. Emergency (evaluated immediately)
2. Urgent (12-24 hours)
3. Routine (Next available)
‣ HIPAA -✓✓Health Information Portability & Accountability Act
‣ Orbital Bones -✓✓Maxilla, Frontal, Zygomatic, Ethmoid, LACRIMAL, Palatine,
SPHENOID
‣ Maxilla -✓✓
‣ Frontal -✓✓
‣ Zygomatic -✓✓
Questions and Answers 100% Correct
(verified)
‣ Emmetropia -✓✓The state of refraction of the eye in which parallel rays, when
the eye is at rest, are focused exactly on the retina.
‣ Optical Infinity -✓✓20 feet
‣ Biomicroscope -✓✓Tabletop microscope for examining the cornea, lens and
otherwise clear fluids and membranes to be examined in layer by layer detail.
‣ Keratometer -✓✓An instrument used to measure the curvature of the cornea.
‣ Opthalmoscope -✓✓An instrument used to examine the interior of the eye
‣ Lensometer -✓✓device for obtaining eyeglass prescriptions
‣ OCT -✓✓Optical Coherence Tomography
‣ Mydriatic Drop -✓✓Placed into the eyes to produce temporary paralysis, forcing
pupils to remain dilated
‣ Hyphema (hi-fee-mah) -✓✓blood in anterior chamber of the eye, as seen during
the fundoscopic exam
‣ Hypopyon (hi-poh-pee-on) -✓✓pus in the anterior chamber of the eye
‣ Idopsin -✓✓The light sensitive pigment in Cones.
‣ Krause Gland -✓✓Located underneath eyelid. Produces tears which are secreted
onto the surface of the conjunctiva.
‣ Meibomian Gland -✓✓responsible for the supply of meibum, an oily substance
that prevents evaporation of the eye's tear film.
, ‣ Trichromat -✓✓"Normal" color vision
‣ Legal Blindness -✓✓20/200
‣ Simple Myopic Astigmatism -✓✓The refractive condition where one point of
focus falls on the retina and the other point of focus falls in front of the retina.
‣ Compound Myopic Astigmatism -✓✓the refractive error which results in two
point of focus falling in front the retina example: -1.00 -2.00x090
‣ Mixed Astigmatism -✓✓The refractive condition in which light comes to two
points of focus where one point is in front of the retina, and the other is behind it.
‣ Simple hyperopic astigmatism -✓✓one meridian focuses on the retina while the
other, in theory, focuses behind the retina
‣ Amblyopia -✓✓a dimness of vision or the partial loss of sight, especially in one
eye, without detectable disease of the eye
‣ The Four "O's" -✓✓1. Optometrist 2. Ophthalmologist 3. Optician 4. Opthalmic
Medical Personnel
‣ Triage Categories -✓✓1. Emergency (evaluated immediately)
2. Urgent (12-24 hours)
3. Routine (Next available)
‣ HIPAA -✓✓Health Information Portability & Accountability Act
‣ Orbital Bones -✓✓Maxilla, Frontal, Zygomatic, Ethmoid, LACRIMAL, Palatine,
SPHENOID
‣ Maxilla -✓✓
‣ Frontal -✓✓
‣ Zygomatic -✓✓
