ABO ADVANCED Questions with Correct Answers (Grade A+)
Question 1: With prism, do you have to specify the direction?
Answer: Yes
Question 2: What does Anisometropia and Antimetropia have in common?
Answer: Both may result in the condition where unequal images are sent to the brain by the eyes.
Question 3: Aniseikonia
Answer: The condition that cause two unequal images being sent to the brain
Question 4: What lenses do you use to fix Aniseikonia?
Answer: Iseikonic Lenses
Question 5: When a patient comes up with a new RX, what should you check before starting on the new
RX?
Answer: Check previous RX to compare to new RX for any concerns or differences
Question 6: What's the importance of Lifestyle Questioning?
Answer: It helps find the exact needs and expectations the patient will have for their glasses
Question 7: Where is the image formed from Refraction?
Answer: On the retina
Question 8: Do all refractive components have plus or minus dioptric powers?
Answer: Plus Dioptric Powers
Question 9: How many diopters does the cornea perform?
Answer: 43 Diopters
Question 10: How many diopters does the crystalline lens perform?
Answer: 17 Diopters
Question 11: What is the approximate combination of the crystalline lens and the cornea in diopters?
Answer: 60 Diopters
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,Question 12: What is the average axial length of the eye?
Answer: 26.5 mm
Question 13: Emmetropia
Answer: The 'normal' ocular refractive condition
Question 14: Contains excessive plus power in the cornea and/or crystalline lens BUT may have a
shorter axial length
Answer: Non-Standard Emmetropia
Question 15: Ametropia
Answer: Any error of refraction in the eye
Question 16: Hyperopia (in regards to light)
Answer: Rays of light strike the retina BEFORE coming to focus
Question 17: Where do images come to focus for Hyperopia?
Answer: BEHIND the retina
Question 18: What is Hyperopia also referred to?
Answer: Farsighted or Long Sight
Question 19: Curvature Hyperopia
Answer: Due to the Cornea or Crystalline Lens being too flat for the axial length of the eye
Question 20: Chart Abbreviations: VA
Answer: Visual Acuity
Question 21: Chart Abbreviations: Cc
Answer: With Correction
Question 22: Chart Abbreviations: Sc
Answer: Without Correction
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, Question 23: Chart Abbreviations: N
Answer: Near
Question 24: Chart Abbreviations: D
Answer: Distance
Question 25: Chart Abbreviations: PH
Answer: Pinhole
Question 26: Chart Abbreviations: J
Answer: Jaeger Notation
Question 27: Each letter on an acuity chart subtends a _____ angle to the eye at a given distance.
Answer: 5 Minute Angle
Question 28: If a patient is NLP or No Light Perception they are?
Answer: Totally blind
Question 29: What is the purpose of Keratometry?
Answer: To assess the curvature and toricity of the cornea
Question 30: If the axis of the flattest meridian is 180 +/- 30 degrees, it is considered __________?
Answer: With the Rule
Question 31: If the axis of the flattest meridian is 90 +/- 30 degrees, it is considered __________?
Answer: Against the Rule
Question 32: If the axis is between 30 & 60 or 120 & 150, it is considered __________?
Answer: Oblique
Question 33: What is the purpose of retinoscopy?
Answer: Objectively determine the refractive status of the patients eyes
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Question 1: With prism, do you have to specify the direction?
Answer: Yes
Question 2: What does Anisometropia and Antimetropia have in common?
Answer: Both may result in the condition where unequal images are sent to the brain by the eyes.
Question 3: Aniseikonia
Answer: The condition that cause two unequal images being sent to the brain
Question 4: What lenses do you use to fix Aniseikonia?
Answer: Iseikonic Lenses
Question 5: When a patient comes up with a new RX, what should you check before starting on the new
RX?
Answer: Check previous RX to compare to new RX for any concerns or differences
Question 6: What's the importance of Lifestyle Questioning?
Answer: It helps find the exact needs and expectations the patient will have for their glasses
Question 7: Where is the image formed from Refraction?
Answer: On the retina
Question 8: Do all refractive components have plus or minus dioptric powers?
Answer: Plus Dioptric Powers
Question 9: How many diopters does the cornea perform?
Answer: 43 Diopters
Question 10: How many diopters does the crystalline lens perform?
Answer: 17 Diopters
Question 11: What is the approximate combination of the crystalline lens and the cornea in diopters?
Answer: 60 Diopters
Page 1
,Question 12: What is the average axial length of the eye?
Answer: 26.5 mm
Question 13: Emmetropia
Answer: The 'normal' ocular refractive condition
Question 14: Contains excessive plus power in the cornea and/or crystalline lens BUT may have a
shorter axial length
Answer: Non-Standard Emmetropia
Question 15: Ametropia
Answer: Any error of refraction in the eye
Question 16: Hyperopia (in regards to light)
Answer: Rays of light strike the retina BEFORE coming to focus
Question 17: Where do images come to focus for Hyperopia?
Answer: BEHIND the retina
Question 18: What is Hyperopia also referred to?
Answer: Farsighted or Long Sight
Question 19: Curvature Hyperopia
Answer: Due to the Cornea or Crystalline Lens being too flat for the axial length of the eye
Question 20: Chart Abbreviations: VA
Answer: Visual Acuity
Question 21: Chart Abbreviations: Cc
Answer: With Correction
Question 22: Chart Abbreviations: Sc
Answer: Without Correction
Page 2
, Question 23: Chart Abbreviations: N
Answer: Near
Question 24: Chart Abbreviations: D
Answer: Distance
Question 25: Chart Abbreviations: PH
Answer: Pinhole
Question 26: Chart Abbreviations: J
Answer: Jaeger Notation
Question 27: Each letter on an acuity chart subtends a _____ angle to the eye at a given distance.
Answer: 5 Minute Angle
Question 28: If a patient is NLP or No Light Perception they are?
Answer: Totally blind
Question 29: What is the purpose of Keratometry?
Answer: To assess the curvature and toricity of the cornea
Question 30: If the axis of the flattest meridian is 180 +/- 30 degrees, it is considered __________?
Answer: With the Rule
Question 31: If the axis of the flattest meridian is 90 +/- 30 degrees, it is considered __________?
Answer: Against the Rule
Question 32: If the axis is between 30 & 60 or 120 & 150, it is considered __________?
Answer: Oblique
Question 33: What is the purpose of retinoscopy?
Answer: Objectively determine the refractive status of the patients eyes
Page 3
