COA JCAHPO ACTUAL EXAM TEST
BANK 350+ QUESTIONS AND
CORRECT ANSWERS LATEST STUDY
GUIDE 2025/2026 GRADED A + .
,1. Disorders associated with headaches? ✓✓ Correct answer Hypertension or Brain Tumor
2. Headaches caused by refractive error will not appear during? ✓✓ Correct answer 1. Not appear at night
2. Will not appear during sleep
3. Will not appear when you wake up
3. Where is the aqueous humor located? ✓✓ Correct answer Between the lens and the cornea.
4. How many rods are there? ✓✓ Correct answer 125 million
5. Where are the rods located? ✓✓ Correct answer In the retina
6. How many cones are there? ✓✓ Correct answer 6 million
7. Where are the cones located? ✓✓ Correct answer In the retina.
8. Rods are best in what lighting condition? ✓✓ Correct answer dim light
9. Without rods what condition will occur? ✓✓ Correct answer night-blindness
10. Rods are good in what color light? ✓✓ Correct answer Red
11. What type of drops are used to dilate the eyes? ✓✓ Correct answer Mydriatic drops
12. What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for near vision? ✓✓ Correct
answer Cycloplegic drops
13. Measuring PD starts from where and ends where? ✓✓ Correct answer Nasal side of right pupil to the temporal side of the
pupil on the patients left eye.
14. What is Rhodopsin? ✓✓ Correct answer Rod pigment. (allows for visual purple)
15. Rhodopsin forms in and is destroyed by ? ✓✓ Correct answer forms in dark, and is
destroyed by light
16. Rhodopsin is composed of what Vitamin? ✓✓ Correct answer Vitamin A (deficiency causes night blindness)
17. What is Adie's Syndrome? ✓✓ Correct answer Tonic Pupil. (pupil responds to light stimulation very slowly)
18. How do you measure a patient's PD when they can only see from one eye? ✓✓ Correct answer measure from
center of the pupil of the good eye to the center of the bridge of the nose
19. How do you measure a patient's PD when they have unequal pupils? ✓✓ Correct answer measure from nasal side of the
limbus of patients right eye to the temporal side of the limbus of the left eye.
,20. How do you measure a patient's PD when they have a squint? ✓✓ Correct answer Measure from the inner canthus of one
eye to the outer canthus of the opposite eye.
21. What are the most important disorders to ask patients about? ✓✓ Correct answer Diabetes High Blood
Pressure (HTN)
Heart Health/ Cardiovascular Issues Arthritis
, 22. What are the main symptoms of diplopia? ✓✓ Correct answer Loss of alignment of eyes
(covering one eye will always eliminate the second image)
23. What is the cause of light flashes? ✓✓ Correct answer Retinal detachment
24. What is the cause of Ptosis? ✓✓ Correct answer 3rd Nerve palsy or Diabetes
25. What is the cause of Diplopia? ✓✓ Correct answer Thyroid Disorder
Diabetes
3rd Nerve Palsy Myathenia
Gravis
26. What is the cause of sudden loss of vision? ✓✓ Correct answer Macular degeneration Retinal
Detachment
Retinal Vein or Artery Occlusion Retrobulbar Neuritis
27. What is the cause of Foreign Body Sensation (FBS)? ✓✓ Correct answer Corneal Abrasion Herpes Simplex
28. What is the cause of blurred distance vision in adults? ✓✓ Correct answer Diabetes Cataracts
Macular Edema
29. What is the cause of Halos around lights? ✓✓ Correct answer Angle Closure Glaucoma Cataracts
30. What is the cause of spots before the eye? ✓✓ Correct answer Retinal Tear Vitreous
Detachment
31. What are the most important items to ask patients during work up? ✓✓ Correct answer 1. Present and Past Health
History
2. Medication (current and exact name/ purpose)
3. Allergies (drug, inhalants, contactants, food, injections, ingestants)
32. What symptoms are associated with Acute conjunctivitis? ✓✓ Correct answer Discharge Pain
Blurred Vision
33. What organism is the cause of Acute Conjunctivitis? ✓✓ Correct answer Staph Aureus
BANK 350+ QUESTIONS AND
CORRECT ANSWERS LATEST STUDY
GUIDE 2025/2026 GRADED A + .
,1. Disorders associated with headaches? ✓✓ Correct answer Hypertension or Brain Tumor
2. Headaches caused by refractive error will not appear during? ✓✓ Correct answer 1. Not appear at night
2. Will not appear during sleep
3. Will not appear when you wake up
3. Where is the aqueous humor located? ✓✓ Correct answer Between the lens and the cornea.
4. How many rods are there? ✓✓ Correct answer 125 million
5. Where are the rods located? ✓✓ Correct answer In the retina
6. How many cones are there? ✓✓ Correct answer 6 million
7. Where are the cones located? ✓✓ Correct answer In the retina.
8. Rods are best in what lighting condition? ✓✓ Correct answer dim light
9. Without rods what condition will occur? ✓✓ Correct answer night-blindness
10. Rods are good in what color light? ✓✓ Correct answer Red
11. What type of drops are used to dilate the eyes? ✓✓ Correct answer Mydriatic drops
12. What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for near vision? ✓✓ Correct
answer Cycloplegic drops
13. Measuring PD starts from where and ends where? ✓✓ Correct answer Nasal side of right pupil to the temporal side of the
pupil on the patients left eye.
14. What is Rhodopsin? ✓✓ Correct answer Rod pigment. (allows for visual purple)
15. Rhodopsin forms in and is destroyed by ? ✓✓ Correct answer forms in dark, and is
destroyed by light
16. Rhodopsin is composed of what Vitamin? ✓✓ Correct answer Vitamin A (deficiency causes night blindness)
17. What is Adie's Syndrome? ✓✓ Correct answer Tonic Pupil. (pupil responds to light stimulation very slowly)
18. How do you measure a patient's PD when they can only see from one eye? ✓✓ Correct answer measure from
center of the pupil of the good eye to the center of the bridge of the nose
19. How do you measure a patient's PD when they have unequal pupils? ✓✓ Correct answer measure from nasal side of the
limbus of patients right eye to the temporal side of the limbus of the left eye.
,20. How do you measure a patient's PD when they have a squint? ✓✓ Correct answer Measure from the inner canthus of one
eye to the outer canthus of the opposite eye.
21. What are the most important disorders to ask patients about? ✓✓ Correct answer Diabetes High Blood
Pressure (HTN)
Heart Health/ Cardiovascular Issues Arthritis
, 22. What are the main symptoms of diplopia? ✓✓ Correct answer Loss of alignment of eyes
(covering one eye will always eliminate the second image)
23. What is the cause of light flashes? ✓✓ Correct answer Retinal detachment
24. What is the cause of Ptosis? ✓✓ Correct answer 3rd Nerve palsy or Diabetes
25. What is the cause of Diplopia? ✓✓ Correct answer Thyroid Disorder
Diabetes
3rd Nerve Palsy Myathenia
Gravis
26. What is the cause of sudden loss of vision? ✓✓ Correct answer Macular degeneration Retinal
Detachment
Retinal Vein or Artery Occlusion Retrobulbar Neuritis
27. What is the cause of Foreign Body Sensation (FBS)? ✓✓ Correct answer Corneal Abrasion Herpes Simplex
28. What is the cause of blurred distance vision in adults? ✓✓ Correct answer Diabetes Cataracts
Macular Edema
29. What is the cause of Halos around lights? ✓✓ Correct answer Angle Closure Glaucoma Cataracts
30. What is the cause of spots before the eye? ✓✓ Correct answer Retinal Tear Vitreous
Detachment
31. What are the most important items to ask patients during work up? ✓✓ Correct answer 1. Present and Past Health
History
2. Medication (current and exact name/ purpose)
3. Allergies (drug, inhalants, contactants, food, injections, ingestants)
32. What symptoms are associated with Acute conjunctivitis? ✓✓ Correct answer Discharge Pain
Blurred Vision
33. What organism is the cause of Acute Conjunctivitis? ✓✓ Correct answer Staph Aureus
