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A set of review questions and answers for the abo advanced certification exam. It covers various topics related to optics, including refractive errors, visual acuity, and lens properties. Useful for students preparing for the aboac exam, offering a comprehensive overview of key concepts and practice questions.
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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] _____________
**1. Read each question carefully.
ABOAC Advanced ABO Certification Exam Review Questions and 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: - In the boxing system the frame difference measurement is? - =Answer>> The different between the horizontal and vertical measurements of the frame Aqueous humor normally flows from the posterior chamber to the anterior chamber via the A. Pupil B. Uveal tract C. Schlemms canal D. Irdial tradeculae - =Answer>> pupil The crystalline is nourished and oxygenated by diffusion from the? A. Aqueous B. Iris C. Zonules D. Ora serrate - =Answer>> A. Aqueous 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 🤔
A. Turn outward toward temples B. Turn inward toward nose C. Elevate D. Extort - =Answer>> A. Turn outward toward temples An amsler's grid should be used on a daily basis for patients with_____________ - =Answer>> Macular degeneration Which of the following is used to check for lateral and vertical phorias - =Answer>> Maddox rod A patient will experience photo phobia and Poor near vision after____________ - =Answer>> Cycloplegic refraction If the patient says that the green side is clearer during the binocular duochrome test, you should add_______OU. - =Answer>> Plus power Which of the following pharmaceuticals will dilate the pupil for 3-6 hours? - =Answer>> Cyclopentolate 1% The physiologic blind spot is located where - =Answer>> optic disk The near point of convergence is reached when the test object:
If the patient sees the red side clearer during a monocular duochrome test the focal point is - =Answer>> In front of the retina Latent hyperboles and children especially need a ______________
A comprehensive eye exam is known as refraction True/false - =Answer>> False The amplitude of accommodation for a 60 y/o pt is approximately ___________. - =Answer>> 0.50D From a family history, which of the following conditions should be noted in a patient's history? A. Diabetes B. Glaucoma C. Cataracts D. All of the above - =Answer>> All of the above A patient's visual acuity is recorded as 20/200 SC. This would indicate ______. - =Answer>> Their acuity without correction Each letter on the acuity chart subtends a ______ angle to the eye at a given distance - =Answer>> Five minute A patients record shows a prescription of OD. +2.50 OS. NPL. In the left wye the patient ________ - =Answer>> Is totally blind The amount of reflection of each surface of cr-39 lenses is approximately? A. 2% B. 4% C. 6% D. 8% - =Answer>> 4% The absorption of light in lenses is classified by two variables. What are they? A. Base curve and thickness Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
B. Index of refraction and thickness C. Thickness and lens transmission D. Tint, and lens transmission - =Answer>> C. Thickness and len transmission The denser the tint in a lens____ A. The greater transmission of light through the lens B. The greater internal reflections in the lens C. The less transmission of light through the lens D. The fewer internal reflections in the lens - =Answer>> C the less transmission of light through the lens The standard transmissions in sun lenses should range between? A. 10% and 30% B. 15% and 30% C. 10% and 25% D. 15% and 25% - =Answer>> B. 15 and 30% If a person has exposure to sunlight at least 2 hrs or more during the day, A. Their tolerance of bright sunlight is increased B. Their tolerance of bright sunlight is decreased C. Their ability to adapt to quick lighting changes is increased D. Their ability to adapt to night vision is compromised if they don't protect their eyes from sun exposure. - =Answer>> D. A characteristic of a dark tinted glass lens with an RX of +4. sphere would be? A. Uniform density in color B. Dark on the edge and lighter in the center C. Dark in the center and lighter on the edge D. Waves in the tint - =Answer>> C. Dark in the center and lighter on the edge Given a high plus or high minus rx, which lens material would offer the best choice for uniform density in a sun lens Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
Adduction - =Answer>> Eye moves nasally Depression - =Answer>> Eye moves down Intorsion - =Answer>> top of cornea rotates towards nose Extorsion - =Answer>> top of cornea rotates away from the nose convergence - =Answer>> Both eyes move nasally at the same time Divergence - =Answer>> Both eyes move temporally at the same time What is better to correct refractive aniseikonia and why? A. Glasses B. Contact lenses - =Answer>> Contact lenses because they reduce the vertex distance to 0- thus eliminating the magnification/minification difference What is better to correct axial aniseikonia? A.glasses B. Contact lenses - =Answer>> Glasses spectacle magnification formula - =Answer>> 1/1-(T/NxF) x 1/1-(h xD) D= diopter power F= front base curve T= center thickness in meters N= index of refraction of lens material h= vertex distance in meters plus 3mm to vertex to the pupil Prentice Rule Formula - =Answer>> Prism= h x D/ H= distance moved in mm D= total diopter power for the meridian Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
Symptoms of excessive base down prism - =Answer>> Floor or horizontal surfaces seem concave Standing in the bottom of a bowl Vertical objects seem taller Walking uphill Symptoms of excessive base up prism - =Answer>> Floor or horizontal surfaces seem convex Standing up hill Vertical objects seem shorter Walking down hill Excessive base in or base out symptoms - =Answer>> Horizontal seems high towards base or low towards apex Change in thickness/base curve % of mag formula - =Answer>> M %= (t x D1)/ change in vertex distance mag % formula - =Answer>> M%=(z x Dv)/ Z= change in vertex distance (+ for increase -for decrease) Dv= vertex power of the lens ANSI tolerance for prism - =Answer>> 2/3 of a diopter horizontal 1/3 of a diopter vertical Birefringence is also referred to as ______ and can result in distortion reducing the visual performance to the wearer? - =Answer>> Double refraction index of refraction of trivex - =Answer>> 1. polarized filters are made by stretching thin sheets of _____ in one meridian - =Answer>> polyvinyl alcohol Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
D. 82% - =Answer>> 55% How much UV is absorbed by a tinted CR-39 lens? A. 9% B. 18% C. 55% D. 82% - =Answer>> 55% What are ghost images? - =Answer>> dull duplicate images, caused by internal reflections What is a substrate? A. Underlying lens material B. Underlying bonding material C. Bonding mass material D. Bonding imbibed material - =Answer>> A. Underlying lens material Protanomalous - =Answer>> Red Deuteranomalous - =Answer>> Green Tritanomalous - =Answer>> blue-yellow weakness Harder PALs designs offer what? - =Answer>> Provide wider field of view Require less head movement and eye movement Provide more swim and blur Softer PAL designs offer what? - =Answer>> Provide reduces levels of astigmatism and swim Limit size of the zones of clear vision Require more head and eye movement Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
A patient who experiences_______, meaning the eyelids are turned outward will not have a lid margin for the tears to rest on and tears will spill over and run out of the eye. - =Answer>> Ectropion How many microns thick is the aqueous humor layer? - =Answer>> 7 microns and it is the thickest layer of the year film Which layer of the cornea contains three types of cells and what are they? - =Answer>> Epithelium; squamous, wing, and basal The anterior chamber is filled with A. Vitreous humor B. Aqueous humor C. Anterior vitreous D. Anterior aqueous - =Answer>> B aqueous humor A difference in pupil size is called? - =Answer>> anisocoria _____ are _____ cells that detect motion within a field A. Rods-long B. Cones-long C. Rods- short D. Comes- short - =Answer>> A rods-long The two optic nerves merge at a point behind the eyes in the brain called? - =Answer>> Optic chiasm 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 A condition whereby the eyes turn in opposite (different) directions - =Answer>> Heterotropia Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
IOP within an eyeball occurring as a result of the constant formation and drainage of aqueous humor; measured with a tonometer that has an average reading of what is considered of concerns? A. Pressure above 10mm or 15mm hg B. Pressure above 15nn or 18mm hg C. Pressure above 18mm or 20 hg D. Pressure above 20mm or 25 mm hg - =Answer>> D. Pressure above 20mm or 25mm hg Graves disease can be a result of which of the following? A. Hypothyroidism B. Hyperthyroidism C. Esothyoidism D. Exothyoidism - =Answer>> B. Hyperthyroidism symptom of Grave's disease can include which of the following? A. Exopthalmos B. Endothalmos C. Hyperthalmos D. Hypothalamus - =Answer>> A exophthalmos What is an ocular condition that is a chronic auto immune disorder with multi-system abnormalities that is characterized by mononuclear infiltration of the lacrimal and salivary glands called? A. Diabetic retinopathy B. Marfan syndrome C. Sjögren's syndrome D. Rheumatoid arthritis - =Answer>> C. Sjögren's syndrome as a rule of thumb differences In Magnification over____ from eye to eye are usually problematic to the wearer A. 1% B. 4% C. 8% D. 12% - =Answer>> B. 4% Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
Centers ground wide in plus lenses will result in what kind of prism? - =Answer>> Base out prism Centers ground wide in minus lenses will result in what kind of prism? - =Answer>> Base in prism A plus lens moved downward from the primary position results in? - =Answer>> base down prism effect If a pair of lenses are ground with 2 diopters of base down prism in each lens the patient will experience? A. 4 diopters of prism B. 2 diopters of prism C. No prism D. None of above - =Answer>> C no prism The major cause of vertical imbalance is? A. Emetropia B. Anisonetroptia C. Aniseikonia D. Presbyopia - =Answer>> B. Anisometropia A prism will bend light toward its? A. Optical center B. Apex C. Abbe meridian D. Base - =Answer>> D. Base A prism will displace the object being viewed toward its? A. Optical center B. Apex C. Abbe meridian D. Base - =Answer>> B. Apex Sagittal Value refers to the thickness of a minus lens with? Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
B. Geometric C. Optical D. Bitoric - =Answer>> D. Bitoric The corrected curve theory is a method of maximizing optics when using: A. Spherical curves B. Isobars C. Vectors D. Periscopic curves - =Answer>> A. Spherical curves On a normal frame with 10 to 12° of pantoscopic tilt the optical center should be located about: A. On center pupil B. 5mm above pupil C. 5mm below pupil D. 2mm higher than pupil height - =Answer>> C. 5 mm below pupil Which of the following prescriptions would be reduced in thickness the most using aspheric design? A. High plus B. Low plus C. High minus D. Low minus - =Answer>> A. High plus An uncut lens must be at least ______ mm in diameter to allow the cutting of a 48 mm round lens, decentered 4 mm in. a. 62 b. 56 c. 52 d. 50 - =Answer>> B. 56 In the boxing system the vertical measurement of the lens is known as? - =Answer>> B measurement Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔
In the boxing system the horizontal measurement of a lens is known as? - =Answer>> A measurement The tendency for light to bend more in the periphery of a lens than the center is known as: A. Chromatic aberration B. Marginal astigmatism C. Coma D. Spherical aberration - =Answer>> D. Spherical aberration It is generally desirable to maintain ocular side curves between: A. Plano and -2. B. -2.00 and -4. C. -4.00 and -7. D. -8.00 and -10.00 - =Answer>> C. -4.00 and -7. Refers to an approximation of a lens surface/the curve that is marked on the lens box: A. True curve B. Nominal curve C. Aspheric curve D. Toric curve - =Answer>> B. Nominal curve The phenomenon of the different wavelengths in white light coming to a focus at different points is known as: A. Coma B. Curvature of field C. Chromatic aberration D. Marginal astigmatism - =Answer>> C. Chromatic aberration Light rays passing through the periphery of a lens are refracted more than the rays passing through the central portion of the lens. This is best referred to as: A. Coma B. Curvature of field C. Distortion D. Spherical aberration - =Answer>> D. Spherical aberration Need Writing 🤔Help? We've Got You Covered! ✍ 100% NO A I or Plagiarism Guaranteed🤔