CPO CERTIFIED PARAOPTOMETRIC EXAM 2025/2026
QUESTIONS WITH SOLUTIONS GRADED A+
✔✔Posterior Chamber - ✔✔The area behind the iris and in front of the lens.
✔✔Rods - ✔✔Photoreceptors that provide black/white vision and are the most sensitive.
✔✔Cones - ✔✔Photoreceptors responsible for color vision and for clear central vision.
✔✔Sclera - ✔✔The white portion of the eye made up of a tough, fibrous tissue that
gives shape and structure to the eyeball.
✔✔Vitreous Humor - ✔✔A thick, clear, jelly-like substance that fills the eye between the
lens and the retina. This serves to support the retina and helps keep the eye round.
✔✔Ocular Adnexa - ✔✔The adjacent structures of the eye, such as eyelids, lashes,
eyebrows, lacrimal apparatus, tarsal plates, orbit, extraocular muscles and conjunctiva.
✔✔Sinuses - ✔✔Air spaces within the bones.
✔✔Lacrimal Gland - ✔✔The gland that supplies most of the tears to the eye.
✔✔Lacrimal Duct - ✔✔The drainage system for tears.
✔✔Nasolacrimal Duct - ✔✔The drainage system for the tears to leave the eye.
✔✔Amblyopia - ✔✔A loss of vision in one or both eyes.
✔✔Aphakia - ✔✔When a cataract progress to the degree that it interferes with vision,
the crystalline lens can be surgically removed.
Absence of the lens in the eye.
✔✔Chalazion - ✔✔As the inflammation resolves in a hordeolum, it will sometimes leave
a granuloma (small lump).
✔✔Blepharitis - ✔✔Inflammation of the lid margin.
✔✔Diabetic Retinopathy - ✔✔Due to poor blood circulation that occurs with diabetes
mellitus, new blood vessel growth often develops in the retina.
✔✔Esotropia - ✔✔A form of strabismus in which one or both eyes turn inward.
✔✔Flashes or floaters - ✔✔Caused by mechanical stimulation of the nerves in the
retina.
,✔✔Glaucoma - ✔✔A condition in which the optic nerve is damaged from increased
ocular pressure.
✔✔Hordeolum - ✔✔Commonly known as a stye, occurs when pores in the eyelid
become blocked and inflamed. This essentially is a "pimple" in the eyelid.
✔✔Keratoconus - ✔✔The cornea thins and bulges forward.
✔✔Nystagmus - ✔✔A vision condition in which the eyes make repetitive, uncontrolled
movements, often resulting in reduced vision.
✔✔Pinguecula - ✔✔A thickening of the connective tissue on the sides of the cornea (3
and 9 o'clock).
✔✔Ptygerium - ✔✔A type of abnormal growth of tissue on the conjunctiva. Different
from (other disorder) in its wedge-shape and ability to invade the cornea.
✔✔Retinal detachment - ✔✔The retina pulls away from the rest of the eyeball.
✔✔A-, An- - ✔✔(without)
✔✔Ab- - ✔✔(away)
✔✔Ad- - ✔✔(to, toward)
✔✔Aniso- - ✔✔(different)
✔✔Anti- - ✔✔(against)
✔✔Bi-, Di- - ✔✔(two)
✔✔Ex- - ✔✔(away from, out of)
✔✔Hyper- - ✔✔(excessive, above, over)
✔✔Hypo-, Sub- - ✔✔(under, below)
✔✔Intra- - ✔✔(within)
✔✔Para- - ✔✔(beside, beyond, around)
✔✔Peri- - ✔✔(surrounding)
, ✔✔Retro- - ✔✔(backward)
✔✔-ectomy - ✔✔(cutting out, excision)
✔✔-ia - ✔✔(diseased or abnormal state)
✔✔-itis - ✔✔(inflammation)
✔✔-meter - ✔✔(measurer)
✔✔-ologist - ✔✔(someone who studies or practices)
✔✔-ology - ✔✔(study of)
✔✔-oma - ✔✔(tumor, swelling)
✔✔-opia - ✔✔(vision condition)
✔✔-osis - ✔✔(abnormal condition)
✔✔-pathy - ✔✔(disease)
✔✔-phobia - ✔✔(abnormal fear of, or aversion to, specific things)
✔✔-scope - ✔✔(instrument used for examination)
✔✔-al,-ic,-ous - ✔✔(pertaining to)
✔✔BLEPHAR - ✔✔(eyelid)
✔✔CHROM - ✔✔(color)
✔✔CONJUNCTIV - ✔✔(conjunctiva)
✔✔COR, CORE - ✔✔(pupil)
✔✔CORNE, KERAT - ✔✔(cornea)
✔✔DIPL - ✔✔(double)
✔✔IRID, IRI - ✔✔(iris)
QUESTIONS WITH SOLUTIONS GRADED A+
✔✔Posterior Chamber - ✔✔The area behind the iris and in front of the lens.
✔✔Rods - ✔✔Photoreceptors that provide black/white vision and are the most sensitive.
✔✔Cones - ✔✔Photoreceptors responsible for color vision and for clear central vision.
✔✔Sclera - ✔✔The white portion of the eye made up of a tough, fibrous tissue that
gives shape and structure to the eyeball.
✔✔Vitreous Humor - ✔✔A thick, clear, jelly-like substance that fills the eye between the
lens and the retina. This serves to support the retina and helps keep the eye round.
✔✔Ocular Adnexa - ✔✔The adjacent structures of the eye, such as eyelids, lashes,
eyebrows, lacrimal apparatus, tarsal plates, orbit, extraocular muscles and conjunctiva.
✔✔Sinuses - ✔✔Air spaces within the bones.
✔✔Lacrimal Gland - ✔✔The gland that supplies most of the tears to the eye.
✔✔Lacrimal Duct - ✔✔The drainage system for tears.
✔✔Nasolacrimal Duct - ✔✔The drainage system for the tears to leave the eye.
✔✔Amblyopia - ✔✔A loss of vision in one or both eyes.
✔✔Aphakia - ✔✔When a cataract progress to the degree that it interferes with vision,
the crystalline lens can be surgically removed.
Absence of the lens in the eye.
✔✔Chalazion - ✔✔As the inflammation resolves in a hordeolum, it will sometimes leave
a granuloma (small lump).
✔✔Blepharitis - ✔✔Inflammation of the lid margin.
✔✔Diabetic Retinopathy - ✔✔Due to poor blood circulation that occurs with diabetes
mellitus, new blood vessel growth often develops in the retina.
✔✔Esotropia - ✔✔A form of strabismus in which one or both eyes turn inward.
✔✔Flashes or floaters - ✔✔Caused by mechanical stimulation of the nerves in the
retina.
,✔✔Glaucoma - ✔✔A condition in which the optic nerve is damaged from increased
ocular pressure.
✔✔Hordeolum - ✔✔Commonly known as a stye, occurs when pores in the eyelid
become blocked and inflamed. This essentially is a "pimple" in the eyelid.
✔✔Keratoconus - ✔✔The cornea thins and bulges forward.
✔✔Nystagmus - ✔✔A vision condition in which the eyes make repetitive, uncontrolled
movements, often resulting in reduced vision.
✔✔Pinguecula - ✔✔A thickening of the connective tissue on the sides of the cornea (3
and 9 o'clock).
✔✔Ptygerium - ✔✔A type of abnormal growth of tissue on the conjunctiva. Different
from (other disorder) in its wedge-shape and ability to invade the cornea.
✔✔Retinal detachment - ✔✔The retina pulls away from the rest of the eyeball.
✔✔A-, An- - ✔✔(without)
✔✔Ab- - ✔✔(away)
✔✔Ad- - ✔✔(to, toward)
✔✔Aniso- - ✔✔(different)
✔✔Anti- - ✔✔(against)
✔✔Bi-, Di- - ✔✔(two)
✔✔Ex- - ✔✔(away from, out of)
✔✔Hyper- - ✔✔(excessive, above, over)
✔✔Hypo-, Sub- - ✔✔(under, below)
✔✔Intra- - ✔✔(within)
✔✔Para- - ✔✔(beside, beyond, around)
✔✔Peri- - ✔✔(surrounding)
, ✔✔Retro- - ✔✔(backward)
✔✔-ectomy - ✔✔(cutting out, excision)
✔✔-ia - ✔✔(diseased or abnormal state)
✔✔-itis - ✔✔(inflammation)
✔✔-meter - ✔✔(measurer)
✔✔-ologist - ✔✔(someone who studies or practices)
✔✔-ology - ✔✔(study of)
✔✔-oma - ✔✔(tumor, swelling)
✔✔-opia - ✔✔(vision condition)
✔✔-osis - ✔✔(abnormal condition)
✔✔-pathy - ✔✔(disease)
✔✔-phobia - ✔✔(abnormal fear of, or aversion to, specific things)
✔✔-scope - ✔✔(instrument used for examination)
✔✔-al,-ic,-ous - ✔✔(pertaining to)
✔✔BLEPHAR - ✔✔(eyelid)
✔✔CHROM - ✔✔(color)
✔✔CONJUNCTIV - ✔✔(conjunctiva)
✔✔COR, CORE - ✔✔(pupil)
✔✔CORNE, KERAT - ✔✔(cornea)
✔✔DIPL - ✔✔(double)
✔✔IRID, IRI - ✔✔(iris)
