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32 Cards in this Set
- Front
- Back
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Emmetropia |
Normal eyesight: 20/20 |
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Presbyopia |
"Old eyes" cannot adapt to close vision: lessened ability for lens to accommodate |
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Myopia |
Near sightedness |
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Hyperopia |
Farsightedness |
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Astigmatism |
Unequal curvature in the cornea/lens |
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Glaucoma |
Intraocular pressure of aqueous humor |
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Optic disk |
Blind spot with no photoreceptors |
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fovea centralis (within the macula lutea) |
Most cones |
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Anterior section of eye contains |
Aqueous humor |
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Aqueous humor |
Nourishes lens/cornea, removes wastes through Canal of Schlemm (venous sinus) |
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Canal of Schlemm |
Where aqueous humor drains |
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Posterior segment of eye contains |
Vitreous humor |
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The lens of the eye are |
Biconvex |
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Pathway of light |
Cornea--> aqueous humor --> lens --> vitreous humor--> retina (macula lutea) |
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Light is reflected at |
Cornea |
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Fibrous segment of eye is made of |
Cornea and sclara |
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Close vision requires |
Lens bulging outward, constricts pupils, convergence |
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Convergence |
Medial rotation of eyes |
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Rods |
Night, peripherals |
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Cones |
Color light; red, green, blue |
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Photoreceptors |
Rods and cones |
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Sweet |
Tip of tongue; alcohol |
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Bitter |
Back of tongue |
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Sour |
Posterior sides; acidic |
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Salty |
Anterior sides |
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Auricle/pinna |
Outer ear |
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Pathway of sound |
Auricle --> external auditory canal --> typanic membrane --> ossicles --> oval window --> fluid of cochlea --> organ of corti |
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Organ of corti |
Hearing organ |
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Semicircular canals |
In X,Y,Z coordinates |
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Cristae ampularis |
Receptor at base of semicircular canal for rotational equilibrium |
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Vestibule |
Static equilibrium; non rotational and uses maculae |
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Maculae |
Utricle and saccule; moving in an elevator |
