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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:
- 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.
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NCLE Test Bank For National Contact Lens
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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.when performing prefitting keratometry, which of the following observa- tions may indicate poor tear quality? a. high dioptric readings b. poor quality mires c. oblique axis d. all of the above: b. poor quality mires 2.if movement is not readily apparent when evaluating the fit of bandage lenses, the fitter should: a. not fit the patient with bandage lenses b. instill lubricating drops and evaluate again Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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a. deposits b. lens binding c. poor keratometry d. Rx change: a. deposits 7.which of the following may be responsible for decreased visual acuity? a. edema b. surface deposits c. Rx change d. all of the above: d. all of the above 8.which RGP parameter is critical for proper tear exchange? a. thickness b. diameter c. anterior optical zone d. edge lift: d. edge lift 9.long term success with extended wear lenses is dependent upon: a. frequent follow-up visits b. power cleaning and disinfection c. good lens movement d. all of these: d. all of these Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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- conventional extended wear soft lenses should be replaced at a maximum age of: a. 2 weeks b. 3 months c. 6 months d. 1 year: d. 1 year
- surface deposits on lenses may: a. decrease comfort b. cause GPC c. reduce permeability d. all of the above: d. all of the above
- which of the following is a contraindication to the fitting of bandage lenses? a. neovascularization b. bullous keratopathy c. inability to follow-up d. diabetes: c. inability to follow-up
- which of the following reasons for failure with daily wear lenses may be remedied by switching to extended wear? a. chronic edema b. frequent lens damage Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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d.8.7-2.50-1.00x010: a.8.7-2.50-1.00x LARS - right subtract from the patient's refraction, 170 - 10 = 160. 2.2. An emerging presbyope, who is myopic, may find that being fit with contacts may make: a. Fine print maybe harder to read. b. Fine print maybe easier to read. c. Computer eye syndrome is significantly worse. d. Headaches occur more frequently.: a.Fine print maybe harder to read In contacts, there is not any prismatic effect when the converges for images at near. For myopes, convergence is more difficult. Minus powered contact lens wearers may need additional power at near for accommodation. 3.3. A patient who is wearing 30-day extended wear contacts comes in for her follow-up and upon observation, you notice that there is a light pink tinge to the lenses. When talking with her, the fitter asks the wearer asks about lotions, makeup, and medication. She reports that she does not wear makeup, her lotions are unscented, and that she only occasionally Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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takes OTC medications. The response of the wearer is considered a(n) obser- vation. a. Subjective b. Objective c. Assessed d. Planned: a.Subjective Subjective - what the wearer tells the fitter, Objective - what the fitter observes, Assessment - what the fitter determines to be the problem, Planning - how the fitter is going to solve the problem. 4.4. If a gas permeable lens fits too tight, then can increase the movement of the lens. a. Increasing the lens diameter b.Increasing the optical zone c. Decreasing the optical zone d. Increasing the sagittal depth: c.Decreasing the optical zone A larger optic zone, a larger sagittal depth, and increasing the diameter steepens a lens fit, making it tighter. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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fitter knows that this is a sign of flexures. The fitter may to correct this. a. Decrease the center thickness b. Increase sagittal depth c. Choose a lower Dk value material d. Choose a higher Dk value material: c. Choose a lower Dk value material A lower Dk value material is more rigid and therefore less likely to flex. 8.8. When discussing contact lenses, the acronym SOAP stands for: a. Sphere, Optical, Axis, Prism b. Solutions,Ophthalmics,Additives,Preservative s c. Subjective, Objective, Assessment, Plan d. Service Only After Payment: c. Subjective, Objective, Assessment, Plan Subjective - what the wearer tells the fitter, Objective - what the fitter observes, Assessment - what the fitter determines to be the problem, Planning - how the fitter is going to solve the problem. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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9.9. Charlie has been fitted with soft contacts and complains about the lenses burning and becoming more uncomfortable as the day progresses. What is the most common reason for this to occur? a. Lenses are too flat b. Lenses are too tight c. Lenses are too small d. Lenses are made of PMMA: b.Lenses are too tight While small could be a reason that the lenses are too tight, the lenses can be tight for other reasons. Too tight is the reason for burning as the day progresses, this is why this is the best answer.
- 10.During the diagnostic evaluation you observe that the lens rotated 15 degrees to the left. To correct, which of the following lens parameters would you order for the patient?Patient's Refraction -3.50 -1.50 x 175 Diagnostic lens 8.8 -3.50 -1.50 x 180 a.8.8- 3.50-1.50x b.8.8-3.50-1.50x c.8.8 -3.50 -1.50 x 165 d.8.8-3.50-1.50x015: b.8.8-3.50-1.50x Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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b. Decreased the overall lens diameter c.Increased the sagittal depth d.Increased optic zone diameter: b.Decreased the overall lens diameter Decreasing the overall lens diameter is the only choice that loosens the lens and increases movement.
- 13.The application of fluorescein is most likely used in which of the follow- ing situations? a. Evaluation of gas permeable lens fit b. Observing neovascularization c. Assessing keratoconus d. Assessing diabetic retinopathy: a. Evaluation of gas permeable lens fit Fluorescein is not needed to evaluate the other choices.
- 14.If a gas permeable lens with a prism ballast lens is riding too low and sliding behind the lower palpebrae, a(n) is indicated. a. Peri-ballast b. Hyperflange c. Myoflange d. Truncation: c. Myoflange Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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The thicker edge that the myoflange provides helps to prevent it from sliding behind the lower lid.
- 15.To steepen the lens to cornea relationship of a gas permeable lens, the contact lens fitter could: a. Decrease the optic zone diameter and increase the overall diameter. b. Flatten the base curve and increase the optical zone diameter. c. Increase the optic zone diameter and increase the overall diameter. d. Decrease the overall diameter and increase the optic zone diameter.: c.In- crease the optic zone diameter and increase the overall diameter. Increasing the overall diameter and increasing the optical zone diameter of the lens will steepen the fit.
- 16.Tiffany is wearing a diagnostic gas permeable lens with a base curve of 43.00D and power of +4.00D. Upon follow-up, the contact lens fitter sees that Tiffany has an over-refraction of -0.50D and also needs a Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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a. Watching movement after the blink. b. Watching movement with the patient looking up. c. Watching movement with the patient looking nasally. d. Pushing the lens up.: d.Pushing the lens up A silicone hydrogel lens adheres to the globe more than the other soft lens materials. To test for movement, the fitter must manually push up the contact lens.
- 19.A first-time extended contact lens wearer should have the first fol- low-up: a. Within 24hours. b. Within 48hours. c. The next morning. d. Within one week.: c.The next morning Due to the nature of overnight wear and the increased likelihood of complications, the initial follow-up for a first-time extended contact lens wearer should occur the next morning.
- 20.When examining the fit of a gas permeable lens and it appears to have a lot of apical vaulting, this would be an indication of a(n) fit. Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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a. Steep b. Flat c. Aligned d. Apical: a.Steep Fluorescein that pools in the central portion of the lens indicate vaulting and a steep fitting lens.
which layer of the cornea makes up 10% of the structure's total thickness? a. epithelium b. bowman's membrane c. endothelium d. stroma: a. epithelium
the vertical measurement of the palpebral fissure for an average eye is mm a. 5 b. 10 c. 15 d. 20: b. 10
the eyelid muscle responsible for closure of the lids is the: Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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b. blend c. limbus d. fornix: d. fornix
- the middle layer of the three main layers of the globe is mostly responsible for: a. nutrition b. light sensitivity c. protection d. ocular motility: a. nutrition
- pupillary constriction is called: a. cycloplegia b. esophoria c. miosis d. ocular motility: c. miosis
- the bacteriocidal ingredient found in the precorneal tear film is: a. lysozyme b. papain c. sodium chloride d. lactic acid: a. lysozyme
- how many extrinsic muscles are attached to each eye? a. two Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
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b. four c. six d. eight: c. six
- the fovea centralis of the retina contains: a. only cones b. both cones and rods c. only rods d. neither cones or rods: a. only cones
- the additive primary colors are: a. red, white, blue b. red, green, blue c. red, yellow, blue d. orange, green, blue: b. red, green, blue
- The bony orbit of the eye is shaped most like a: a. ball b. cube c. trapezoid d. pyramid: d. pyramid
- the structure that can adjust its focus for various object positions is the: a. cornea b. retina Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
