Download ABO American Board of Opticianry Certification Exam Questions and Answers and more Exams Ophthalmology in PDF only on Docsity!
National Certification Organization
for Opticians
ABO American Board of Opticianry
Basic ABO Certification Exam
Course Title and Number: Basic ABO 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
180 minutes
Instructions:
**1. Read each question carefully.
- Answer all questions.
- Use the provided answer sheet to mark your responses.
- Ensure all answers are final before submitting the exam.
- Please answer each question below and click Submit when you** **have completed the Exam.
- This test has a time limit, The test will save and submit** **automatically when the time expires
- This is Exam which will assess your knowledge on the course** Learning Resources.
Good Luck!
🤔 Hybridgrades101@gmail.com
Ctrl + Click ✅ ORDER NOW ✅ Follow
Link
& Get Instant
Expert Help
ABO American Board of Opticianry 2025- ABO Certification Exam Questions and Answers | 100% Pass Guaranteed | Graded A+ |
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
- If you didn't adjust the eye piece on the lensometer and the power drum reads +0.25 when the target lines are clear and focused. What do you expect the true readings for this pair of glasses be? O.D. -1.75 OS +1. A. -1.50, +2. B. -1.75, +1. C. -1.75, +2. D. -1.50, +1.75 - =Answer>> -1.50, +2.
- What is the final step in fitting a frame to a patient? A. Aligning the frame vertically B. Aligning the frame horizontally C. Adjusting the pantoscopic tilt D. Adjusting the temples - =Answer>> Adjusting the temples
- If the frame is crooked with the right side higher than the left, which is not a possible cause?
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 ORDER NOW 🤔
🤔 Hybridgrades101@gmail.com A. Centeration, Spotting, Calculation, Blocking, Edging B. Edging, Centeration, Blocking, Spotting C. Calculation, Spotting, Centeration, Blocking, Edging - =Answer>> Calculation, Spotting, Centeration, Blocking, Edging
- For every 2 degrees of pantoscopic tilt the optical center should be: A. Raised 0.5mm B. Raised 1mm C. Lowered 1mm D. Lowered 0.5mm - =Answer>> Lowered 1mm
- Usual reading level is considered to be ------- mm below A. 6mm B. 8mm C. 11mm D. 1mm - =Answer>> 8mm
- The standard distance between the segments in double segment multifocals in most cases is A. 10 to 12 mm B. 13 to 14 mm C. 14 to 15 mm D. 15 to 16 mm - =Answer>> 13 to 14mm
- Photochronic lenses will be darkest on which day? A. Warm bright B. Cold bright C. Cloudy warm D. Cloudy cold - =Answer>> Cold bright
- A Number 3 tint absorbs
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com A. 80% of the light entering the lens B. 50% of the light entering the lens C. 60% of the light entering the lens D. 33.3% of the light entering the lens - =Answer>> 80% of the light entering the lens
- A customer complains that his old glasses have better visual acuity than the new glasses (same RX). What should the optician do? A. Return the customer to the refractionist B. Remake the lenses C. Check the base curve D. Put the old lenses in a new frame - =Answer>> Check the base curve
- Within the first few minutes of contact with a new customer you must: A. Find out if the customer has a new prescription B. Generate in the customer confidence in your ability C. Commence your "selling conversation" D. Inquire as to the budget available - =Answer>> Generate in the customer confidence in your ability
- Rx: O.D. +2.00 +2.00 x 90 O.S. +3.00 +3.00 x 180:
- The tolerance of the cylinder axis of the right lens is: A. 4 degrees B. 5 degrees C. 3 degrees D. 2 degrees - =Answer>> 2 degrees
- The instrument that can help you determine a heat tempered glass lens is:
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com
- A frame fits perfectly on your patient. The temples, bridge, and pads are fine, but the frame sits high. You should select a frame with a bridge that is: A. Wider B. Narrower C. Higher D. Lower - =Answer>> Wider
- OU +11.00 -1.00 x 90 ADD 3.
- This is an aphakic patient. He wants a separate sunglasses just for golf. What would you recommend? A. a low fitting FT 28 B. RD segment high fitted C. A trifocal D. Just a SV and tell him to slide the glasses down the nose to see near. - =Answer>> Just a SV and tell him to slide the glasses down the nose to see near
- How long should a prescription of a patient be kept? A. 1 year B. 2 years C. 3 years D. As long as possible - =Answer>> 3 years
- The pantoscopic tilt can be increased up to: A. 2 to 4 degrees B. 1 degree C. 8 to 10 degrees D. 18 degrees - =Answer>> 18 degrees
- Magnesium Fluoride is a chemical used for: A. Reducing the glare
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com B. Reducing the reflection C. Scratch resistant D. Impact resistance - =Answer>> Reducing the reflection
- The power of a bifocal add is the difference between: A. The front vertex measurement of distance and near B. The back vertex measurement of distance and near C. The front vertex distance and back vertex near D. The vertex measurement of distance and near on the segment surface. - =Answer>> The front vertex measurement of distance and near
- A polariscope is used to check inserted lenses for: A. Sphere power B. Cylinder power C. Axis D. Strain - =Answer>> Strain
- A lens which reads +3.00 -2.00 x 90 is decentered 6mm too much. How much prismatic effect will wearer experience? A. 1.8^ B. 0.6^ C. 3.0^ D. 1.2^ - =Answer>> 0.6^
- Besides accommodation, the crystalline lens: A. focuses on distance objects B. corrects weak astigmatism C. filters the aqueous D. filters ultraviolet radiation - =Answer>> Filters ultraviolet radiation
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com
- (Because creates more power and therefor shorter focal length)
- Which of the following statements regarding CR- lenses is not correct? A. They are light B. They are thinner than glass lenses C. They scratch easily D. They are tintable - =Answer>> They are thinner than glass lenses
- Which of the following lens material has the highest Abbe number? A. CR- B. Polycarbonate C. Flint glass - =Answer>> CR-
- Higher the refractive index: A. The better the absorption of uv radiation B. The worse the absorption of UV radiation C. None of the above - =Answer>> The better the absorption of UV radiation
- What base curve is suitable for this Rx: -4.00 -1.00 x 90? A. +2.00D B. +5.00D C. Plano D. +8.00D - =Answer>> +8.00D
- What base curve do you recommend for this
- Rx: -10.00 -1.00 x 180?
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com A. +8.00D B. +12.00D C. -2.00D D. Plano - =Answer>> Plano
- The base curve of a lens is +6.00, the cross curve is +8.00, and the sphere curve is -5.00. What is the Rx of this lens? A. +6.00 -5.00 x...... B. -1.00 -3.00 x...... C. +1.00 +3.00 x..... D. +1.00 +2.00 x.... - =Answer>> +1.00 +2.00 x.....
- Round segment should be ordered........... then FT segs. A. Lower B. Higher C. The same - =Answer>> Higher
- If a bifocal lens has an inset of 1mm and a seg inset of 2.5mm, what is the total inset? A. 1.5mm B. 2.5mm C. 3.5mm - =Answer>> 3.5mm
- Calculate the image jump for the following bifocal lens:
- -2.00 -1.00 x 80 ADD 2.
- Seg style is Round 22 A. 2.50^ B. 2.75^ C. 1.50^ - =Answer>> 2.75^
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com C. There is not enough information to answer this question. - =Answer>> 2mm
- (Maybe 1/2 distance between DPD and NPD)
- The segment depth in a FT 28 is 18mm. Where is the optic center of the segment. A. 5mm below the seg line B. 4mm below the seg line C. 2mm below the seg line - =Answer>> 4mm below the seg line
- The best way to heat nylon frames is by using: A. Hot air B. Hot water C. Sand - =Answer>> Hot water
- The type of patient often bothered by specular images is: A. The presbyopic patient B. The hyperopic patient C. The myopic patient D. One over 65 - =Answer>> The myopic patient
- The optician has just neutralized an unknown power lens with test lenses. The test lens used to neutralize the power in the vertical is +1.00D and the test lens used to neutralize the power in the horizontal is a +1.50D. What is the Rx of this lens? (Note: these test lenses were used alone for each meridian, not superimposed. Using test lenses is another way to neutralize the lens power and can be used instead of the lensometer.) A. -1.50 +0.50 x 90
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com B. +1.50 -0.50 x 180 C. -1.00 -0.50 x 90 D. +1.00 +0.50 x 90 - =Answer>> -1.00 -0.50 x 90
- An Rx OD requires 1.5mm decentration out and 2mm seg inset. Total inset of the segment would be: A. 3.5mm In B. 1.5mm Out C. 2mm In D. 0.5mm In - =Answer>> 0.5mm In
- In which of the following multifocal styles is it more difficult to fabricate both distance and near PD's accurately? A. FT 35 B. CT 28 C. RD 22 D. Executive - =Answer>> Executive
- What type of prismatic effect is easiest to tolerate at the near point? A. BI B. BO C. BU D. BD - =Answer>> BI
- What would you recommend to an aphakic patient? A. AR coating B. Polarized lenses C. UV protection D. Mirror surface sun glasses - =Answer>> UV protection
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com C. Fill up the order form with the previous PD (65) and order the lenses - =Answer>> Fill up the order form with the previous PD (65) and order the lenses
- Rx: OD +2.00 +4.00 x 45 OS +3.00 +1.00 x 90
- A=52 DBL=18 PPD=
- The lab decenters the lenses the wrong way. The prism imbalance will be: A. 1.6 prism diopter B. 3.2 prism diopter C. 1 prism diopter D. 2 prism diopter - =Answer>> 3.2 diopter
- A patient's best point of focus is 10". What lens would he need to see 20/20? A. -10.00D B. +4.00D C. -2.00D D. -4.00D - =Answer>> -4.00D
- D=1/0.254m=3.94---4.00D
- How many recti muscles do we have? A. 4 B. 6 C. 2 D. None - =Answer>> 4
- A 5 years old walks to your optical dispensary. You notice that when he wants to look to the frames his right eye turns in. What is the problem? A. He has exophoria B. He has esophoria
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com C. He has exotropia D. He has esotropia - =Answer>> He has esophoria
- A patient brings the following Rx to you. What would you do?
- Rx: OD -2.00 -1.00 x 180 OS -1.00 +1.00 x 180 A. After transposing the OS, you order the lenses B. After transposing the OD, you order the lenses C. You order the lenses the way they are. D. You will call the refractionist - =Answer>> You will call the refractionist
- Which of the following frame material should be soaked overnight periodically? A. Optyl B. Polyamide C. Nylon - =Answer>> Nylon
- A frame material which is excellent for people with an active lifestyle because of its flexibility and impact resistance; A. Cellulose acetate B. Titanium C. Nylon - =Answer>> Nylon
- This frame material shrinks as heat is applied; A. Polyamide B. Optyl C. Cellulose acetate - =Answer>> Polyamide
- When a progressive wearer complains of narrow reading area, what would you do?
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com B. flat surface tough test - =Answer>> flat surface touch test
- In order to move a frame closer to a patient's face: A. decrease the face form B. narrow the adjustable pads C. increase the effective length of the guard arm D. widen the adjustable pads - =Answer>> Widen the adjustable pads
- In order to raise a frame higher on a patient's face: A. narrow the bridge B. bend the guard arms down C. narrow the distance between the adjustable pads D. all of the above - =Answer>> All of the above
- The MRP of a progressive lens is: A. at the fitting cross B. 2 to 4 mm to the right of the fitting cross C. 2 to 4 mm below the fitting cross D. 2 to 4 mm to the left of the fitting cross - =Answer>> 2 to 4 mm below the fitting cross
- Usually the add power is indicated at the......... and the logo of the manufacturer is at the ....... side 4mm below the symbols of the progressive lenses. A. Temporal Nasal B. Nasal Temporal C. There is no set rule D. Above MRP Below MRP - =Answer>> Nasal Temporal
- The monocular PD measurement is recommended for
- progressive
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
🤔 Hybridgrades101@gmail.com
- high index
- facial asymmetry
- CR-39 lenses A. 1 only B. 1 and 2 C. 1,2, and 3 D. 1,2,3 and 4 - =Answer>> 1,2, and 3
- The causes of unequal vertex distance are
- unequal temple spread
- one side of wearer head is wider than the other side
- bowed temple A. 1 only B. 2 only C. 1,2 and 3 - =Answer>> 1,2, and 3
- The fitting triangle is the connection of 3 points which pressure may be exerted. The points are A. The crest of the nose and the sides of the head just past the roots of the ears B. The crest of the nose and the sides of the head just above the roots of the ears C. The crest of the nose and the sides of the head just infront of the roots of the ears - =Answer>> The crest of the nose and the sides of the head just above the roots of the ears
- What is polariscope or colmascope for?
- to check the heat treated glass lenses
- to check the lens strain
- to check the lens warpage A. 1 only B. 1 and 2
Need Writing 🤔Help? We've Got You Covered! ✍
100% NO A I or Plagiarism Guaranteed🤔
