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14 Cards in this Set
- Front
- Back
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Adnexa Oculi |
Special structures that surround the eyeball and aid in it's function |
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Lashes |
Special modified cilia that are located on the lid margin and are especially sensitive to touch. Acts as a warning when something approaches the eye and causes the lid to close. |
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Common Lash Problems |
Blepharitis - an inflammation of the lid margins that presents itself in dandruff like flakes, itching, swelling, and redness. Chronic condition Contraindication for contacts. Trichiasis- inward turning of the eyelash. May be helped with bandage contact. |
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Blepharitis |
An inflammation of the lid margins that presents itself in dandruff like flakes, itching, swelling, and redness. Chronic condition and is a Contraindication for contacts. |
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Trichiasis |
Inward turning of the eyelash. May be helped with a bandage contact. |
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Eyelids aka Palpebrae |
Help control the amount of light that enters the eye, distributes tears across the ocular surface, provide protection. |
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Layers of the Eyelid |
First layer is the skin Second layer is the orbicularis oculi (muscle that is responsible for lid closure) Third layer is the most dense. It consists of the orbital septum, muscles, and tarsal plate Fourth layer is the palpebrae conjunctiva. |
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Orbicularis Oculi |
Muscle responsible for lid closure |
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Orbital septum |
Tissue that separates the fat that is in the boney orbit from the lid itself. |
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Muscles of the eyelid |
Levator palpebrae superioris (upper lid raiser) Contractor muscle in the lower lid Muscle of Muller that helps the lid maintain shape. |
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Tarsal plate |
Runs the length of the lid. Provides lid structure, houses the meibominan gland |
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Palpebrae Conjunctiva |
Clear mucous membrane that covers the entire inner layers of the lid and the upper portion of the sclera |
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Palpebrae fissure |
The opening between the lids. Average size 10mm wide and 30mm long. |
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Canthi |
Where the two lids meet |
