2020–2021 BCSC Basic and Clinical Science Course™
3 Clinical Optics
Chapter 2: Physical Optics
Chapter Exercises
Questions
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2.1. Which theory provides the most comprehensive description of light?
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wave theory
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particle theory
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ray theory
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quantum electrodynamics
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2.2. The Airy disc image on the retina is larger in which circumstance?
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The wavelength of light is shortened.
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The focal length of the eye is shorter.
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The pupil size decreases.
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Macular degeneration is present.
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2.3. Corneal haze secondary to corneal edema is primarily caused by which light phenomena?
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reflection
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light scattering
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refraction
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diffraction
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2.4. Which light phenomenon is the underlying basis of optical coherence tomography?
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diffraction
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interference
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fluorescence
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polarization
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2.5. Which laser–tissue interaction is the basis of laser in situ keratomileusis (LASIK)?
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photodisruption
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photochemical interaction
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plasma-induced ablation
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photoablation
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2.6. In aphakia, the susceptibility to photochemical injury to the retina is which of the following?
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is decreased without the focusing capability of the natural lens
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is unchanged
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is increased without the ultraviolet absorption of the natural lens
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is not an issue
Excerpted from BCSC 2020-2021 series : Section 3 - Clinical Optics. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.