IJCAHPO COA FINAL TEST PAPER
COMPLETE QUESTIONS WITH ACCURATE
ANSWERS
●● 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
●● Where is the aqueous humor located?
Answer: Between the lens and the cornea.
●● How many rods are there?
Answer: 125 million
●● Where are the rods located?
Answer: In the retina
●● How many cones are there?
Answer: 6 million
,●● Where are the cones located?
Answer: In the retina.
●● Rods are best in what lighting condition?
Answer: dim light
●● Without rods what condition will occur?
Answer: night-blindness
●● Rods are good in what color light?
Answer: Red
●● What type of drops are used to dilate the eyes?
Answer: Mydriatic drops
●● What type of drops are used to dilate the eyes and paralyze the fine
focusing muscle for near vision?
Answer: Cycloplegic drops
●● 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.
,●● What is Rhodopsin?
Answer: Rod pigment. (allows for visual purple)
●● Rhodopsin forms in ______ and is destroyed by _____?
Answer: forms in dark, and is destroyed by light
●● Rhodopsin is composed of what Vitamin?
Answer: Vitamin A (deficiency causes night blindness)
●● What is Adie's Syndrome?
Answer: Tonic Pupil. (pupil responds to light stimulation very slowly)
●● 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
●● 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.
●● 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.
●● What are the most important disorders to ask patients about?
Answer: Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
●● What are the main symptoms of diplopia?
Answer: Loss of alignment of eyes
(covering one eye will always eliminate the second image)
●● What is the cause of light flashes?
Answer: Retinal detachment
●● What is the cause of Ptosis?
Answer: 3rd Nerve palsy or Diabetes
●● What is the cause of Diplopia?
Answer: Thyroid Disorder
COMPLETE QUESTIONS WITH ACCURATE
ANSWERS
●● 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
●● Where is the aqueous humor located?
Answer: Between the lens and the cornea.
●● How many rods are there?
Answer: 125 million
●● Where are the rods located?
Answer: In the retina
●● How many cones are there?
Answer: 6 million
,●● Where are the cones located?
Answer: In the retina.
●● Rods are best in what lighting condition?
Answer: dim light
●● Without rods what condition will occur?
Answer: night-blindness
●● Rods are good in what color light?
Answer: Red
●● What type of drops are used to dilate the eyes?
Answer: Mydriatic drops
●● What type of drops are used to dilate the eyes and paralyze the fine
focusing muscle for near vision?
Answer: Cycloplegic drops
●● 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.
,●● What is Rhodopsin?
Answer: Rod pigment. (allows for visual purple)
●● Rhodopsin forms in ______ and is destroyed by _____?
Answer: forms in dark, and is destroyed by light
●● Rhodopsin is composed of what Vitamin?
Answer: Vitamin A (deficiency causes night blindness)
●● What is Adie's Syndrome?
Answer: Tonic Pupil. (pupil responds to light stimulation very slowly)
●● 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
●● 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.
●● 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.
●● What are the most important disorders to ask patients about?
Answer: Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
●● What are the main symptoms of diplopia?
Answer: Loss of alignment of eyes
(covering one eye will always eliminate the second image)
●● What is the cause of light flashes?
Answer: Retinal detachment
●● What is the cause of Ptosis?
Answer: 3rd Nerve palsy or Diabetes
●● What is the cause of Diplopia?
Answer: Thyroid Disorder