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NCLE ABO & CLRE Exam Practice Questions, Exams of Optics

State University of New York College of Optometry (SUNY)Optics

A set of practice questions for the ncle abo american board of opticianry clre contact lens registry examination. It covers various topics related to the eye, including corneal conditions, refractive power, and contact lens fitting. The questions are multiple choice and provide a valuable resource for students preparing for the exam.

Typology: Exams

2024/2025

Available from 02/01/2025

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National Certification Organization
for Opticians
The National Contact Lens Examiners
(NCLE) ABO American Board of Opticianry
CLRE Contact Lens Registry Examination
Course Title and Number: ABO NOCE Competency Exam
Exam Title: Registry 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.
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 NCLE ABO & CLRE Exam Practice Questions and more Exams Optics in PDF only on Docsity!

National Certification Organization

for Opticians

The National Contact Lens Examiners

(NCLE) ABO American Board of Opticianry

CLRE Contact Lens Registry Examination

Course Title and Number: ABO NOCE Competency Exam Exam Title: Registry 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.
  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!

🤔 Hybridgrades101@gmail.com

Ctrl + Click ✅ORDER NOW ✅ Follow Link & Get Instant Expert Help

NCLE Final Exam Prep Practice Questions

and Answers | 100% Pass Guaranteed |

Graded A+ |

The National Contact Lens

Examiners NCLE ABO American Board of

Opticianry

CLRE Contact Lens Registry Examination

Read All Instructions Carefully and Answer All the Questions Correctly Good Luck: - 1.White blood cells in the cornea; usually seen in dirty contact lens wear A. Arcus Senilis B. Bulbous Keratopathy C. Corneal Guttata D. Infiltrates D. Infiltrates 2.Cone shaped protrusion of the cornea due to corneal thinning; usually presents between the ages 10 and 20. Care must be taken to protect the thinning wall. A. Keratoconus Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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B. Leukoma C. Neovascularization D. Recurrent Corneal Erosion E. Corneal Ulcer D. Recurrent Corneal Erosion 6.Erosion of corneal tissue from trauma, burns, inflammation or infection A. Keratoconus B. Leukoma C. Neovascularization D. Recurrent Corneal Erosion E. Corneal Ulcer E. Corneal Ulcer 7.What is the total refractive power of the crystalline lens? A. +17. B. +18. C. +16. D. +15. A. +17. 8.The dilator muscle opens the pupil to allow more light into the eye A. Mydriasis B. Miosis A. Mydriasis Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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9.The sphincter muscle closes the pupil to restrict light into the eye A. Mydriasis B. Miosis B. Miosis

  1. Congenital absence of an iris; there is a loss of vision from too much light entering the eye A. Aniridia B. Anisocoria C. Heterochromia D. Iridectomy A. Aniridia
  2. Uneven pupil sizes; can result in blurred, double or loss of vision, headaches, nausea and stiff neck A. Aniridia B. Anisocoria C. Heterochromia D. Iridectomy B. Anisocoria
  3. Iris of two different colors A. Aniridia B. Anisocoria C. Heterochromia D. Iridectomy Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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C. Iritis D. Uveitis E. Rudeosis C. Iritis

  1. Inflammation of the uvea tract A. Coloboma B. Iridocyclitis C. Iritis D. Uveitis E. Rudeosis D. Uveitis
  2. Neovascularization of the iris, commonly caused by diabetes A. Coloboma B. Iridocyclitis C. Iritis D. Uveitis E. Rudeosis E. Rudeosis
  3. Index of Refraction for air A. 1. B. 1. C. 1. D. 1. A. 1. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. Index of Refraction for cornea A. 1. B. 1. C. 1. D. 1. B. 1.
  2. Index of Refraction for crystalline lens A. 1. B. 1. C. 1. D. 1. C. 1.
  3. Index of Refraction for aqueous and vitreous A. 1. B. 1. C. 1. D. 1. D. 1.
  4. What is the index of refraction of tears A. 1. B. 1. C. 1. D. 1. A. 1. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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C. Parallelepiped D. Specular Reflection C. Parallelepiped

  1. Angle of 50 degrees is ideal. Used to see endothelial cells. If the cornea is healthy and smooth, or if the contact lens is clean, the light source will be mirrored. A. Optic section B. Conical beam C. Parallelepiped D. Specular Reflection D. Specular Reflection
  2. When detecting improper fits for soft contact lenses, small bubbles = ____ A. Too tight B. Too loose A. Too tight
  3. When detecting improper fits for soft contact lenses, large bubbles = ____ A. Too tight B. Too loose B. Too loose
  4. Light is reflected off of the fundus of the iris but the microscope is focused on the cornea. Used to see epithelial cysts, small scars and blood Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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vessels, contact lens edge quality, edema, and markings on a contact lens when they may be difficult to find. A. Retroillumination B. Sclerotic scatter C. Specular reflection D. Parallelepiped A. Retroillumination

  1. Light is offset and focused on the limbus so it will "scatter" across the surface of the cornea. Wide illumination at a 45-60 degree angle. Used to see opacities of the cornea; normal cornea appears dark and opacities show grey. A. Retroillumination B. Sclerotic scatter C. Specular scatter D. Parallelepiped
  2. B. Sclerotic scatter
  3. This pattern is more likely to occur in a patient with a spherical corneal surface as it is the easiest surface to match. If a patient exhibits a toric corneal surface, this pattern will be less likely to occur even if the fit is good. A. Ideal Pattern B. Flat Pattern Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. The fluorescein will pool in the top (superior) and the bottom (inferior) portion of the lens with a dark line in the middle. The result is a dumbbell pattern that runs horizontally at 3 o'clock and 9 o'clock. A. Ideal Pattern B. Flat Pattern C. Steep Pattern D. With-the-Rule E. Against-the-Rule
  2. D. With-the-Rule
  3. A spherical lens is placed on it, the pattern looks like an hourglass and runs from the 12 o'clock to the 6 o'clock position. A. Ideal Pattern B. Flat Pattern C. Steep Pattern D. With-the-Rule E. Against-the-Rule
  4. E. Against-the-Rule
  5. Erosion of the central epithelium could be caused by long-term edema or a foreign body trapped under the contact. A. Central Abrasion B. Inferior Abrasion Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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C. Arcuate D. Dimple Veil A. Central Abrasion

  1. Improper removal of the contact will result in an abrasion at the bottom or 6 o'clock position of the cornea. A. Central Abrasion B. Inferior Abrasion C. Arcuate D. Dimple Veil
  2. B. Inferior Abrasion
  3. If the blend of the posterior curves of the contact is incorrect it can cause an arc-like dent into the corneal epithelium. A. Central Abrasion B. Foreign Body Tracks C. Arcuate D. Dimple Veil
  4. C. Arcuate
  5. Dents in the cornea that are caused by bubbles trapped under the contact lens from a steep lens. If this occurs in the limbal area, the lens is too flat. A. Stippling and Punctate Staining B. Foreign Body Tracks Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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A. 1.

  1. The difference between the horizontal and vertical meridians in the amount of ___?
  2. Corneal Astigmatism
  3. We have an expert-written solution to this problem!
  4. When it comes to visual field of view, what is the difference between spectacles and contacts?
  5. Spectacles depending on power, have peripheral blur, while contacts are fit to cover the pupil and track movement, vision is not compromised.
  6. Oblique Astigmatism would be between what and what?
  7. 30 to 60 degrees and 120 to 150 degrees
  8. Against the rule would be between what and what?
  9. 60 to 120 degrees
  10. with the rule would be between what and what?
  11. 150 to 180 degrees and 0 to 30 degrees
  12. What is the difference between Corneal Astigmatism and Lenticular Astigmatism? Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. Corneal Astigmatism is due to uneven bending of light created by different meridians of the cornea. Lenticular Astigmatism is the astigmatic effect due to an uneven bending of light from the crystalline lens.
  2. Irregular Astigmatism is created by what?
  3. Disease or scarring
  4. When you have a damaged epithelium, what can be used to help aid in the healing?
  5. a soft contact lens
  6. Contact Sports, working in extreme temperature so eyewear doesn't fog, and moving indoors and out so that patient can wear sunglasses are all examples of what?
  7. common indications
  8. dusty environments, tasks that require lots of accommodation, occupations and hobbies that require the use of spray chemicals and water sports with risk of infection are all examples of what?
  9. common contraindications
  10. Many medications cause what?
  11. dry eye and contact lens intolerance
  12. Soft Contact Lens Group 1 & 3 Water Content: Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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A. <50%

B. >50%

85. B. >50%

  1. ionic lenses are more ___ and maintain tear integrity. the Mais disadvantage is that the lens is prone to ___
  2. wettable, deposits
  3. Silicone Based lenses are beneficial because? And what two disadvantages?
  4. They transmit oxygen through their components making them highly permeable. Not favorable to wettability without a plasma coating. And material stiffness causing lens not able to conform to shape of the eye as easily.
  5. what does the Dk value identify?
  6. Oxygen permeability
  7. What is the three-point-touch?
  8. The ideal contact lens fit for soft contacts
  9. it is best to start with the ___ curve possible, even if the patient has a cornea that is ___ than the average K. A. flatter, steeper B. steeper, flatter A. Flatter, steeper Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔

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  1. If the prescription has some toricity to it, the cylinder power is ___ cylinder or less, and the sphere power is at least ___ that of the cylinder power, then figure ___ ___ 1.0 / twice / spherical equivalent
  2. What is the Push Up Test?
  3. When the fitter uses the lower lid to push up the lens to check movement.
  4. With the Push Up Test, when would you know if it is too tight or too flat of a fit?
  5. too tight: the curve is too steep and the lens barely moves too flat: the lens moves easily and does not resettle on the cornea
  6. the visual acuity is blurry after the blink, then the lens is
  7. too steep
  8. the visual acuity is blurry before the blink, then the lens is
  9. too flat
  10. if it is blurry without relation to the blink, then
  11. an over refraction should take place
  12. Particularly with against the rule patients, ___ toric designs may have greater stability Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔