Term
| What does it mean when someone has a cataract? |
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Definition
| The lens has become opaque |
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Term
| How does a cataract affect a person? |
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Definition
| Less light passes through the lens blurring and distorting images received by the retina |
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Term
| Where can cataracts form? |
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Definition
| In the nucleus of the lens, the outer cortical portion, or involve the entire lens |
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Term
| Other than aging what causes the development of cataracts? |
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Definition
| Traumatic injury to the eye, use of certain drugs, exposure to harmful chemicals, exposure to excessive sunlight, and congenital disease |
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Term
| What position will the patient be in for an Extracapsular Cataract Extraction? |
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Definition
| Supine, arms tucked, and head may be supported on a headrest |
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Term
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Definition
| Local with sedation; retro or peribulbarblock may be used |
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Term
| What is the difference between Intracapsular and Extracapsular cataract extraction? |
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Definition
| Extracapsular you use a small incision, only the lens is removed, and no sutures are required to close |
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Term
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Definition
| Intraocular lens; prescription lenses placed inside the eye for clear lens replacement surgery |
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Term
| What is phacosmulsification? |
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Definition
| A variation of irrigation/aspiration technique, ultrasonic energy fragments the lens while simultaneously irrigating and aspirating the gragments |
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Term
| Where is the incision made for this procedure? |
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Definition
| Either corneoscleral or corneal (corneal incision is self healing) |
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Term
| What material is injected into the anterior chamber and why? |
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Definition
| Viscoelastic material because it inflates the chamber and protects the back of the cornea |
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Term
| When should you open and prepare the lens prosthesis? |
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Definition
| The surgeon will select the lens prior to surgery but only open it when requested by the surgeon |
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Term
| Why will you need the irrigation/aspiration after you place the lens? |
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Definition
| To remove the remaining viscoelastic material so the surgeon can seal the incisions and test the seal and proper inflation |
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Term
| What is used to seal the incisions? |
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Definition
| BSS (balanced salt solution) |
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Term
| What wound classification is this procedure? |
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Definition
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