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15 Cards in this Set
- Front
- Back
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What separates the anterior and posterior compartments of the eye?
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the Lens
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What does the anterior compartment contain?
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Anterior and posterior changers
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What are the anterior and posterior chambers separated by?
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the iris
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What does iris contain?
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Aqueous fluid
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What does the posterior compartment contain?
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Vitreous fluid
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What is intraocular pressure also known as?
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Glaucoma
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What is norma intraocular pressure?
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IOP = 9-21 mmHg
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What does IOP result?
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Degeneration of optic nerve leading to progressive blindness
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Initial gradual loss of peripheral vision is followed by?
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Loss of central vision
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What is closed-angle?
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Anterior chamber is narrowed (angled closure) secondary to forward displacement of iris and outflow becomes impared so IOP goes up
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What is Open-angle?
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Abnormal increase of intraocular pressure occurs secondary to obstruction at the trabecular meshwork not involved.
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When does Open-angle usually occur?
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after age 35; most common type; 2nd leading cause of acquired blindness
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What is the leading cause of acquired blindness?
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Macular Dengeneration
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What is macular degeneration?
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Wet type: connective tissue builds up between the choriod and retina, and vessel leakage occurs.
dry type: age-related maculare degeneration the formation of a macular drusen is seen. |
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What is the most common type of MD?
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Dry type and it is slowest to progress and may advance to wet type.
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