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15 Cards in this Set
- Front
- Back
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Refractive Index of a Transparent Substance
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Refraction of Light Rays at an Interface Between Two Media with Different Refractive Indices
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Convex Lens Focuses Light Rays
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Concave Lens Diverges Light Rays
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Cylindrical Lens Bends Light Rays in Only One Plane-Comparison with Spherical Lenses
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Focal Length of a Lens
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Formation of an Image by a Convex Lens
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Measurement of the Refractive Power of a Lens-"Diopter"
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The Eye as a Camera
Consideration of All Refractive Surfaces of the Eye as a Single Lens-The "Reduced" Eye |
Formation of an Image on the Retina
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Mechanism of "Accommodation"
Accommodation Is Controlled by Parasympathetic Nerves |
Presbyopia-Loss of Accommodation by the Lens
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Pupillary Diameter
Depth of Focus" of the Lens System Increases with Decreasing Pupillary Diameter |
Hyperopia (Farsightedness)
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Myopia (Nearsightedness)
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Astigmatism
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Correction of Optical Abnormalities by Use of Contact Lenses
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Cataracts-Opaque Areas in the Lens
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Visual Acuity
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Determination of Distance by Sizes of Retinal Images of Known Objects
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Determination of Distance by Moving Parallax
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Determination of Distance by Stereopsis-Binocular Vision
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Ophthalmoscope
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Fluid System of the Eye-Intraocular Fluid
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Formation of Aqueous Humor by the Ciliary Body
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Outflow of Aqueous Humor from the Eye
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Tonometry
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Regulation of Intraocular Pressure
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Glaucoma"-a Principal Cause of Blindness
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