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ABO Advanced Certification Exam: Opticianry Practice Questions and Answers, Exams of Optics

Illinois College of Optometry (ICO)Optics

A set of multiple-choice questions and answers related to the abo advanced certification exam for opticians. It covers various topics in opticianry, including lens properties, prism, refractive errors, and eye conditions. The questions are designed to test the knowledge and understanding of opticianry principles and practices.

Typology: Exams

2024/2025

Available from 02/01/2025

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National Certification Organization
for Opticians
ABO American Board of Opticianry
Advanced Certification Examination
ABOAC Advanced ABO Certification
Examination
Course Title and Number: ABO Advanced Certification
Exam
Exam Title: Certification Exam
Exam Date: Exam 2025- 2026
Instructor:____ [Insert Instructor’s Name] _______
Student Name:___ [Insert Student’s Name] _____
Student ID: ____ [Insert Student ID] _____________
Examination
Time: - ____ Hours: ___ Minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you
have completed the Exam.
6. This test has a time limit, The test will save and submit
automatically when the time expires
7. This is Exam which will assess your knowledge on the course
Learning Resources.
Good Luck!
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Download ABO Advanced Certification Exam: Opticianry Practice Questions and Answers and more Exams Optics in PDF only on Docsity!

National Certification Organization

for Opticians

ABO American Board of Opticianry

Advanced Certification Examination

ABOAC Advanced ABO Certification

Examination

Course Title and Number: ABO Advanced Certification Exam Exam Title: Certification Exam Exam Date: Exam 2025- 2026 Instructor: ____ [Insert Instructor’s Name] _______ Student Name: ___ [Insert Student’s Name] _____ Student ID: ____ [Insert Student ID] _____________

Examination

Time: - ____ Hours: ___ Minutes

Instructions:

**1. Read each question carefully.

  1. Answer all questions.
  2. Use the provided answer sheet to mark your responses.
  3. Ensure all answers are final before submitting the exam.
  4. Please answer each question below and click Submit when you** **have completed the Exam.
  5. This test has a time limit, The test will save and submit** **automatically when the time expires
  6. This is Exam which will assess your knowledge on the course** Learning Resources.

Good Luck!

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ABO Test Bank For American Board of Opticianry Advanced Certification ABO-AC Exam Updated Questions with Correct Answers | 100% Pass Guaranteed | Graded A+ | 2025- ABO American Board of Opticianry ABOAC Advanced ABO Certification Examination Read All Instructions Carefully and Answer All the Questions Correctly Good Luck: -

  1. If a pair of ophthalmic lenses are ground with one diopter of base up prism (1 triangle BU) in each eye, the patient will experience: a. two diopters of base up prism b. one diopter of base down prism c. no prism imbalance d. one-half a diopter base in each eye - =Answer>> c. no prism imbalance
  2. A plus lens decentered in will result in a finished lens that is: a. uniform in edge thickness b. optically superior to a plus lens decentered out c. thick nasally, thin temporally d. thin nasally, thick temporally - =Answer>> c. thick nasally, thin temporally Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔 Ctrl + Click Here To 📑 ORDER NOW 📑 Follow Link 🤔 ORDER NOW 🤔 🎓 TO GET INSTANT EXPERT HELP 🎓 🤔 ORDER NOW 🤔

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  1. Factors influencing darkening/lightening of photochromic lenses include _________. - =Answer>> ・ Intensity of light ・Temperature ・Age of lens
  2. UV filtering properties are inherent in which lens? - =Answer>> Polycarbonate & Trivex
  3. How much UV is absorbed by a clear CR-39 lens? - =Answer>> 55%
  4. How much UV is absorbed by a tinted CR-39? - =Answer>> 55%
  5. The term diplopia refers to: A. A double segmented lens B. Double Vision C. A lens with two ploplas D. None of the above - =Answer>> Double Vision
  6. The optical cross is a graphic representation used to diagram: A. Base curve B. Compensated vertex C. Total lens power D. Corrected curves - =Answer>> Total Lens Power
  7. Determine imbalance at the reading level in the following prescription (10mm reading depth) OD: -4.00 -2.00 x90 OS: -1.00 -3.00 x A. 4 diapters B. 2 diapters C. 1 diapter Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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D. No imbalance - =Answer>> 1 diapter

  1. The refractive index to which optical tools and gauges are calibrated is A. 1. B. 1. C. 1. D. 1.56 - =Answer>> 1.
  2. A minus 5 diapter lens decentered in 2mm beyond what is called for to achieve the correct PD creates: A. 1 diapter of base in prism B. 1 diapter of base out prism C. 2 diapters of base in prism D. 2 diapters of base out prism - =Answer>> 1 diapter of base out prism
  3. Double D lenses are an advantage for presbyobes that: A. Are at least 60 years old B. B Work over their heads C. Golf D. Are an advanced presbyope - =Answer>> Work over their heads
  4. The focal length of a +2.00 diapter lens is A. 200cm B. 25cm C. 100cm D. 50 cm - =Answer>> 50 cm
  5. Increasing the diameter of a lens always increases its A. Vertex Power B. Thickness C. Add Power D. Radius of Curvature - =Answer>> Thickness Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. Which of the following elements is NOT critical when determining vertical imbalance? - =Answer>> Lens power in the 180 degree meridian
  2. A prism will displace the object being viewed towards its ________. - =Answer>> Apex
  3. A prism will bend light towards its _______. - =Answer>> Base
  4. When dealing with problems of vertical imbalance which is the critical meridian of total lens? - =Answer>> 90
  5. Which of the following prescriptions would pose the greatest prismatic imbalance at a reading depth of 10mm?
    • =Answer>> OD +2.
  6. OS -0.25 +2.50 x 090
  7. A plus lens moved downward from the primary position will result in: - =Answer>> Base down prismatic effect
  8. What is a hereditary pigmentary degeneration of the retina called which results in gradual loss of peripheral vision? - =Answer>> Retinitis pigmentosa
  9. What is ocular hypertension? - =Answer>> Elevation of pressure in the eye above the range considered with an detectable changes in vision or damage to the structure of the eye.
  10. or
  11. Eye pressure can be elevated and cause damage in some eyes, but no damage in others. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. Which of the following statements is false regarding corneal ulcers? Corneal ulcers can be ________. - =Answer>> of little concern
  2. Approximately what percentage of humans have some alterations in lens transparency after age 65? - =Answer>> 60%
  3. What type of cataract is a fully developed opacity of the lens with fluid generation and swelling of the lens volume? - =Answer>> Hypermature
  4. Which of the following statements is false regarding cataracts? - =Answer>> Cataracts will only form in the nucleus of the lens.
  5. ________ is the condition in which both eyes have equal refractive power. - =Answer>> Insometropia
  6. Irregular astigmatism occurs when the principal meridians are not uniform along a major meridian and not uniform along a meridian. They are found at some place other than 90 degree apart. Irregular astigmatism is commonly caused by trauma surgery, or corneal dystrophy. TRUE or FALSE - =Answer>> True
  7. In poor light, a person sees red light better than blue, which is why the ocular system tends to be more myopic, i.e. twilight myopia.
  8. TRUE or FALSE - =Answer>> True
  9. _______ are _____ cells that detect motion within a field. - =Answer>> Rods-Long
  10. The crystalline lens is the same size at birth as in an adult, however, it adds cell layers throughout life, packing Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. What is the index refraction of polycarbonate? - =Answer>> 1.
  2. What company introduced CR-39 lenses? - =Answer>> PPG industries
  3. __________ are generally inorganic materials (metals or minerals) that are vacuum deposited to add color on glass lenses to give a uniform density of color on the lenses. - =Answer>> Vacuum color coating
  4. Glare is of more concern to which wearer? - =Answer>> Cataract patients
  5. _______ is better than ______ for improving contrast? - =Answer>> Green-Gray
  6. _______ added to any color increases contrast. - =Answer>> Yellow
  7. Although this may be the most popular color for sun lenses, it is not recommended for patients with emerging cataracts. - =Answer>> Gray
  8. Given a high plus or high minus RX, which lens material would offer the best choice for uniform density in sun lenses? - =Answer>> CR-39 & Trivex
  9. A Characteristic of a dark tinted glass lens with an RX of +4.00 SPH would be _________. - =Answer>> Darker in the center and lighter on the edge
  10. If a person has exposure to sunlight at least 2 hours or more during the day, __________. - =Answer>> their ability Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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to adapt to night vision is compromised if they don't protect their eyes from the sun exposure.

  1. Standard transmission is sun lenses should range between _________. - =Answer>> 15% to 30%
  2. The denser the tint in a lens, __________ - =Answer>> the less transmission of light through the lens.
  3. The absorption of light in lenses is classified by two variables. What are they? - =Answer>> Tint & lens transmission
  4. Aphakia - =Answer>> An absence of the crystalline lens of the eye (pseudophakia: having a false lens)
  5. Apex - =Answer>> Thinnest edge of a prism.
  6. Anterior - =Answer>> front cavity or compartment of the eye, located between the cornea and CHAMBER: crystalline lens contains the aqueous humor.
  7. Anisometropia - =Answer>> Condition in which the refractive error of one eye significantly differs from that of the other.
  8. OD -1.00 OS -2.25 or OD +1.00 OS +2.
  9. Aniseikonia - =Answer>> A condition in which the ocular image of an object as seen by one eye differs so much in size or shape from that seen by the other eye that the two images cannot be fused into a single impression. Unequal size of retinal images.
  10. Ametropia - =Answer>> A refractive error in which the eye, when in a state of rest, does not focus the image of Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. The first step in verifying a prescription with a manual lensometer is to ___________. - =Answer>> Focus the eye piece
  2. A _________ is used to measure vertex distance. - =Answer>> Disometer
  3. The simplest means of identifying an unknown PALs lens is: - =Answer>> Surface engraving
  4. An optician may be sued for failure to: - =Answer>> - Recommend the most appropriate material.
    • Inform the wearer about decreased impact resistance of other materials compared with most suitable material.
    • Failure to verify that the material received where in accordance with standard.
  5. _________ is an organization that develops standards covering sports related eyewear products. - =Answer>> OSHA
  6. A new RX with a large increase in plus power will require the patient to converge ________ when reading. - =Answer>> more
  7. Calculate the slab-off to be ground for the following RX.
  8. OD: +6.00 -2.00 x 060
  9. OS: +0.50 -3.00 x 135
  10. Add +2.50 OU Reading Level 10mm
  11. TP: OD +5.50 OS -1.00 (compound= add together) - =Answer>> 6.5 Prism
  12. Using the following information, determine the vertex compensated
  13. RX: -12. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. VD =13mm Fit @ 9mm - =Answer>> -11.
  2. Calculate the slab-off to be ground for the following RX:
  3. OD +4.00 +1.00x
  4. OS +0.50 +3.00x
  5. Add +2.50 OU Reading Level: 10mm - =Answer>> 2. △ BU OS
  6. Which of the following is a common mydriatic? - =Answer>> Tropicamide
  7. Which of the following conditions will cause a peripheral field loss? - =Answer>> Retinitis pigmentosa
  8. The working lens used in retinoscopy is needed to simulate working at _________. - =Answer>> Infinity
  9. All of the following are used in subjective testing except:
  10. Jackson cross cylinder
  11. Maddox Rod
  12. Duochrome - =Answer>> Retinoscope
  13. A non-verbal determination of refractive error is called a ___________. - =Answer>> Objective refraction
  14. If the patient has a narrow angle in the anterior chamber, _____ pharmaceuticals should be avoided. - =Answer>> Mydriatic
  15. Latent hyperopes and children especially need a _______. - =Answer>> cycloplegic refraction
  16. A patient will experience photophobia and poor near vision after ______. - =Answer>> Cycloplegic refraction Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. A system of Grave's disease can include which of the following? - =Answer>> Exophthalmos
  2. What is the name of the condition that is a winglike thickening of fibrovascular connective tissue & blood vessels beneath conjuntiva which slowly grows primarily from the inner canthus over the limbus & into the superficial cornea? - =Answer>> Pterygium
  3. What type of cataracts is one with radially arranged opacities or lines at the outer layers of the crystalline lens? - =Answer>> Cortical
  4. What is an ocular condition characterized by high refractive error, flattened corneal curvature, dislocated lenses, early onset cataracts, glaucoma, & strabismus? - =Answer>> Marfan Syndrome
  5. What is an opacity of the normally clear crystalline lens or its capsule called? - =Answer>> Cataracts
  6. _______ is defined as a abnormal accumulation of watery fluid, presumably aqueous humor, in the stroma and usually the epithelium of the normal clear cornea. - =Answer>> Corneal hydrops
  7. The state of slight contraction of all six extraocular muscles of the eye while at rest in order to hold the eye steady in a fixed position is called: - =Answer>> Tonicity
  8. A _______ is a wing-like thickening of fibrovascular connective tissue and blood vessels beneath the bulbar conjunctiva which slowly grows from the inner canthus over the limbus and into the superficial cornea. - =Answer>> Pterygium Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. Iseikonic lenses are used to correct or manage Aniseikonia. The variables used to create iseikonic lens include: - =Answer>> Base curves, vertex distance, center thickness, & index of refraction.
  2. As we age our visual system undergoes major changes, some of the changes include: - =Answer>> -Decline of accommodation
  3. -Senile miosis
  4. -Lowered contrast sensitivity
  5. -increased lighting sensitvity
  6. What happens when accommodation occurs? - =Answer>> The brain recognizes a blurred image. The ciliary muscle contracts and moves towards the crystalline lens, the zonule fibers relax and crystalline lens bulges or become more convex.
  7. There are three categories of cones, according to the photopigments. - =Answer>> One is most sensitive to short wavelengths or blue, one is most sensitive to green and is most sensitive to longer wavelengths or red.
  8. Included in accommodation are: - =Answer>> crystalline lens, the ciliary body, and the zonules of zinn, which are suspensory ligaments.
  9. The tear film is referred to as a _____, meaning there are _____ to the tear film/ pre-corneal tear film. The outermost layer is the ____ or the oily layer, the middle layer is the _____ or water layer, and the innermost layer is the _______ layer. - =Answer>> Trilaminar structure three layers:
  10. Lipid
  11. Aqueous
  12. Mucin or Mucous/mucoid Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. The amount of prism used for prism thinning a progressive lens should equal ____ of the add power. - =Answer>> 2/
  2. If the right temple is angled in, this adjustment will: - =Answer>> Push the right side of the front away from the right eye.
  3. If pads dig into the sides of the nose, all of the following remedies could be used except: - =Answer>> DO NOT Toughen skin with acetone
  4. Which of the following materials is the most impact resistants? - =Answer>> Polycarbonate
  5. All of the following are important questions to ask when a patient returns with problems except: - =Answer>> could you have waited until your next appointment.
  6. When new progressive lenses are delivered, the fitting cross should be positioned directly in front of the pupil. TRUE or FALSE - =Answer>> True
  7. Prism is verified at the same location on a progressive addition lens as the distance RX. TRUE or FALSE - =Answer>> False
  8. Visible PALs lens markings on finished eyewear should always be removed prior to dispensing to the patient. TRUE or FALSE - =Answer>> False
  9. Frame adjustments should be made prior to measuring the fitting cross height for a progressive lens. TRUE or FALSE - =Answer>> True Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. If the patient must lower their head to see clearly in the distance, the progressive lenses are positioned too high. TRUE or FALSE - =Answer>> True
  2. If a patient must move the reading material to the side to see clearly, the pupillary measurements may be off. TRUE or FALSE - =Answer>> True
  3. Each letter on an acuity chart subtends a _____ angle to the eye at a given distance. - =Answer>> Five minute
  4. Birefringence is also referred to as _______ and can result in distortion reducing the visual performance to the wearer? - =Answer>> Double refraction
  5. According to ANSI standards, the tolerance for the refractive power of the sphere in prescription eyewear is: - =Answer>> 0.00 -6.50D +_ 0.13D
  6. Above 6.50D +2%
  7. Of the two telescope types used today, which type is a refracting telescope?
  8. Refracting- Glass lens as objective
  9. concave- eye pieve
  10. convex- objective lens - =Answer>> Galilean
  11. Of the two telescope types used today, which type is a reflecting telescope?
  12. Reflecting- uses mirror- image is upside down - =Answer>> Keplerian
  13. An advantage of the Galilean telescope is that ________. - =Answer>> The image is upright.
  14. An advantage of the keplerian telescope is that _________ - =Answer>> The field of view is larger Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔