COA JCAHPO UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A
PLUS
COA Jcahpo Actual Examination 2026/2027
Questions and Answers Verified Solutions Latest
Update
Question:
Headaches caused by refractive error will not appear during?
Answer:
1. Not appear at night 2. Will not appear during sleep 3. Will not appear when you wake up
Question:
Where is the aqueous humor located?
Answer:
Between the lens and the cornea.
Question:
How many rods are there?
Answer:
125 million
Question:
Where are the rods located?
Answer:
In the retina
Question:
How many cones are there?
,Answer:
6 million
Question:
Where are the cones located?
Answer:
In the retina.
Question:
Rods are best in what lighting condition?
Answer:
dim light
Question:
Without rods what condition will occur?
Answer:
night-blindness
Question:
Rods are good in what color light?
Answer:
Red
Question:
What type of drops are used to dilate the eyes?
Answer:
,Mydriatic drops
Question:
What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for near vision?
Answer:
Cycloplegic drops
Question:
Measuring PD starts from where and ends where?
Answer:
Nasal side of right pupil to the temporal side of the pupil on the patients left eye.
Question:
What is Rhodopsin?
Answer:
Rod pigment. (allows for visual purple)
Question:
Rhodopsin forms in ______ and is destroyed by _____?
Answer:
forms in dark, and is destroyed by light
Question:
Rhodopsin is composed of what Vitamin?
Answer:
Vitamin A (deficiency causes night blindness)
, Question:
What is Adie's Syndrome?
Answer:
Tonic Pupil. (pupil responds to light stimulation very slowly)
Question:
How do you measure a patient's PD when they can only see from one eye?
Answer:
measure from center of the pupil of the good eye to the center of the bridge of the nose
Question:
How do you measure a patient's PD when they have unequal pupils?
Answer:
measure from nasal side of the limbus of patients right eye to the temporal side of the limbus of the
left eye.
Question:
How do you measure a patient's PD when they have a squint?
Answer:
Measure from the inner canthus of one eye to the outer canthus of the opposite eye.
Question:
What are the most important disorders to ask patients about?
Answer:
Diabetes High Blood Pressure (HTN) Heart Health/ Cardiovascular Issues Arthritis
PLUS
COA Jcahpo Actual Examination 2026/2027
Questions and Answers Verified Solutions Latest
Update
Question:
Headaches caused by refractive error will not appear during?
Answer:
1. Not appear at night 2. Will not appear during sleep 3. Will not appear when you wake up
Question:
Where is the aqueous humor located?
Answer:
Between the lens and the cornea.
Question:
How many rods are there?
Answer:
125 million
Question:
Where are the rods located?
Answer:
In the retina
Question:
How many cones are there?
,Answer:
6 million
Question:
Where are the cones located?
Answer:
In the retina.
Question:
Rods are best in what lighting condition?
Answer:
dim light
Question:
Without rods what condition will occur?
Answer:
night-blindness
Question:
Rods are good in what color light?
Answer:
Red
Question:
What type of drops are used to dilate the eyes?
Answer:
,Mydriatic drops
Question:
What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for near vision?
Answer:
Cycloplegic drops
Question:
Measuring PD starts from where and ends where?
Answer:
Nasal side of right pupil to the temporal side of the pupil on the patients left eye.
Question:
What is Rhodopsin?
Answer:
Rod pigment. (allows for visual purple)
Question:
Rhodopsin forms in ______ and is destroyed by _____?
Answer:
forms in dark, and is destroyed by light
Question:
Rhodopsin is composed of what Vitamin?
Answer:
Vitamin A (deficiency causes night blindness)
, Question:
What is Adie's Syndrome?
Answer:
Tonic Pupil. (pupil responds to light stimulation very slowly)
Question:
How do you measure a patient's PD when they can only see from one eye?
Answer:
measure from center of the pupil of the good eye to the center of the bridge of the nose
Question:
How do you measure a patient's PD when they have unequal pupils?
Answer:
measure from nasal side of the limbus of patients right eye to the temporal side of the limbus of the
left eye.
Question:
How do you measure a patient's PD when they have a squint?
Answer:
Measure from the inner canthus of one eye to the outer canthus of the opposite eye.
Question:
What are the most important disorders to ask patients about?
Answer:
Diabetes High Blood Pressure (HTN) Heart Health/ Cardiovascular Issues Arthritis
