American Board of Opticianry (ABO) Practice Test

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Prepare for the ABO (American Board of Opticianry) Test with interactive flashcards and hundreds of multiple choice questions. Updated for 2024 to help you excel on exam day

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Which conditions are classified as refractive errors?

  1. Astigmatism, Glaucoma, Cataracts

  2. Myopia, Hyperopia, Presbyopia

  3. Dry Eye Syndrome, Conjunctivitis, Uveitis

  4. Retinal Detachment, Macular Degeneration, Diabetic Retinopathy

The correct answer is: Myopia, Hyperopia, Presbyopia

Refractive errors are conditions that affect the way our eyes bend and focus light, resulting in blurred vision. Options A, C, and D are not classified as refractive errors. Astigmatism, Glaucoma, Cataracts, Dry Eye Syndrome, Conjunctivitis, Uveitis, Retinal Detachment, Macular Degeneration, and Diabetic Retinopathy are all different types of eye conditions, but they do not fall under the category of refractive errors. Therefore, option B is the correct answer. Myopia, hyperopia, and presbyopia are all classified as refractive errors because they involve errors in the way the eye bends light and focuses it onto the retina.

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