COA - Certified Ophthalmic Assistant Newest
Prep Test Bank 4 with 600 Latest Questions and
Correct Answers / COA Latest Exam 2026-2027
Test Bank 4 / Certified Ophthalmic Assistant
The data provided by tomographic devices are useful in evaluating progressive
____ and ____ damage. - ANSWER-Optic nerve and retinal nerve fiber layer
Ophthalmic photography serves to ____ and ___ ophthalmic conditions. -
ANSWER-Document and diagnose
Your patient says his neighbor had her cataracts removed with a laser and wants to
know if his will be taken off the same way. You tell him: - ANSWER-"No, she's
probably referring to the way we use ultrasound to break the cataract into tiny
pieces. It's not actually a laser"
The vision a patient may have after cataract surgery can be estimated with:
a - potential acuity meter (PAM)
b - brightness acuity tester (BAT)
c - pinhole
d - accurate refractometry - ANSWER-a
Postoperative cataract surgery vision might not be substantially improved in a
patient with:
a - ptosis
b - small pupils
1
,c - macular degeneration
d - strabismus - ANSWER-c
A preoperative B-scan might be required in which cataract patient?
a - diabetic retinopathy
b - macular degeneration
c - extremely dense cataract
d - pterygium - ANSWER-c
Prior to cataract surgery, an A-Scan is used to:
a - measure the length of the eye
b - establish postoperative vision
c - evaluate the corneal endothelium
d - evaluate retinal health - ANSWER-a
Specular microscopy ("cell count") might be needed prior to a cataract surgery if
the patient has:
a - corneal dystrophy
b - Graves' disease
c - astigmatism
d - dry eye - ANSWER-a
Which gives the most accurate idea of a cataract patient's visual disability?
a - pinhole vision
b - standard Snellen vision chart
c - PAM
2
,d - BAT - ANSWER-d
A cataract is often removed when:
a - vision is reduced below 20/20
b - the cataract is "ripe"
c - the patient fails a color vision test
d - the patient notes impairment of daily living - ANSWER-d
Symptoms of a posterior subcapsular opacity:
a - mimic those of a cataract
b - mimic those of angle-closure glaucoma
c - include flashes and floaters
d - can be alleviated with artificial tears - ANSWER-a
The term "secondary cataract" is a misnomer because:
a - most cataracts are congenital
b - once removed, a cataract cannot grow back
c - it actually occurs in the IOL implant
d - it actually is an opacity of the cornea - ANSWER-B
A posterior capsule opacity is treated by performing a:
a - crying-capsulotomy
b - laser iridotomy
c - surgical capsulotomy
d - laser capsulotomy - ANSWER-d
3
, Insertion of a phakic IOL would be done for the purpose of:
a - cataract removal
b - correction of refractive error
c - preventing cataracts
d - intraocular medication - ANSWER-b
In which of the following surgical procedures might a drainage implant be placed
in the eye?
a - cataract surgery
b - nasolacrimal surgery
c - strabismus surgery
d - glaucoma surgery - ANSWER-d
The aim of most types of glaucoma a surgery is to:
a - increase aqueous production
b - improve optic nerve health
c - increase aqueous outflow
d - avoid medication use - ANSWER-C
Laser treatment for primary/chronic open-angle glaucoma is a(n):
a - valve implant
b - iridotomy
c - iridectomy
d - trabeculoplasty - ANSWER-d
4
Prep Test Bank 4 with 600 Latest Questions and
Correct Answers / COA Latest Exam 2026-2027
Test Bank 4 / Certified Ophthalmic Assistant
The data provided by tomographic devices are useful in evaluating progressive
____ and ____ damage. - ANSWER-Optic nerve and retinal nerve fiber layer
Ophthalmic photography serves to ____ and ___ ophthalmic conditions. -
ANSWER-Document and diagnose
Your patient says his neighbor had her cataracts removed with a laser and wants to
know if his will be taken off the same way. You tell him: - ANSWER-"No, she's
probably referring to the way we use ultrasound to break the cataract into tiny
pieces. It's not actually a laser"
The vision a patient may have after cataract surgery can be estimated with:
a - potential acuity meter (PAM)
b - brightness acuity tester (BAT)
c - pinhole
d - accurate refractometry - ANSWER-a
Postoperative cataract surgery vision might not be substantially improved in a
patient with:
a - ptosis
b - small pupils
1
,c - macular degeneration
d - strabismus - ANSWER-c
A preoperative B-scan might be required in which cataract patient?
a - diabetic retinopathy
b - macular degeneration
c - extremely dense cataract
d - pterygium - ANSWER-c
Prior to cataract surgery, an A-Scan is used to:
a - measure the length of the eye
b - establish postoperative vision
c - evaluate the corneal endothelium
d - evaluate retinal health - ANSWER-a
Specular microscopy ("cell count") might be needed prior to a cataract surgery if
the patient has:
a - corneal dystrophy
b - Graves' disease
c - astigmatism
d - dry eye - ANSWER-a
Which gives the most accurate idea of a cataract patient's visual disability?
a - pinhole vision
b - standard Snellen vision chart
c - PAM
2
,d - BAT - ANSWER-d
A cataract is often removed when:
a - vision is reduced below 20/20
b - the cataract is "ripe"
c - the patient fails a color vision test
d - the patient notes impairment of daily living - ANSWER-d
Symptoms of a posterior subcapsular opacity:
a - mimic those of a cataract
b - mimic those of angle-closure glaucoma
c - include flashes and floaters
d - can be alleviated with artificial tears - ANSWER-a
The term "secondary cataract" is a misnomer because:
a - most cataracts are congenital
b - once removed, a cataract cannot grow back
c - it actually occurs in the IOL implant
d - it actually is an opacity of the cornea - ANSWER-B
A posterior capsule opacity is treated by performing a:
a - crying-capsulotomy
b - laser iridotomy
c - surgical capsulotomy
d - laser capsulotomy - ANSWER-d
3
, Insertion of a phakic IOL would be done for the purpose of:
a - cataract removal
b - correction of refractive error
c - preventing cataracts
d - intraocular medication - ANSWER-b
In which of the following surgical procedures might a drainage implant be placed
in the eye?
a - cataract surgery
b - nasolacrimal surgery
c - strabismus surgery
d - glaucoma surgery - ANSWER-d
The aim of most types of glaucoma a surgery is to:
a - increase aqueous production
b - improve optic nerve health
c - increase aqueous outflow
d - avoid medication use - ANSWER-C
Laser treatment for primary/chronic open-angle glaucoma is a(n):
a - valve implant
b - iridotomy
c - iridectomy
d - trabeculoplasty - ANSWER-d
4
