Term
| what are the 8 parts that include the eyeball? |
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Definition
| the conjuctiva, sclera and cornea, choroid, ciliary body, iris, retina, and crystalline lens. |
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Term
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Definition
| enucleation is the excision of an eye due to malignant neoplasm, penetrating wounds, or when the eye has been so extensively damaged that no vision can be regained |
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Term
| how is the preoperative preparation of the patient undergoing this surgery? |
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Definition
| the patient will be in a supine position, with his/her arms tucked. The patient will be put under general anestesia or retrobulbar. |
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Term
| what types of drapes are used in this case? |
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Definition
| an adhesive-backed, clear, aperture or incisable drape is used. the adhesive drapes cover the patients head and upper body. |
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Term
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Definition
| the skin is prepped from the hairline to inferior mandibular border and from the anterior auricular border beyond the midline |
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Term
| what type of retractor is used first in this surgery? |
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Definition
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Term
| what nerve is transected during an enucleation? |
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Definition
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Term
| what eye muscles are isolated during an enucleation? |
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Definition
| the rectus and oblique muscles |
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Term
| what difference does it make if an hydroxyapatite implant with donor sclera is used during an enucleation? |
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Definition
| instead of using 5-0 polyglactin sutures to isolate and secure the recus and oblique muscles, 6-0 nonabsorbable suture s used to reattach muscles to cut-out areas in donor sclera before muscles are divided |
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Term
| how is the eye rotated laterally during an enucleation? |
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Definition
| by grasping the stump of the medial rectus muscle |
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Term
| how is the globe separated from the tenon capsule during an enucleation? |
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Definition
| using blunt-pointed curved scissors, retractors, hemostats, and forceps |
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Term
| how long is the optic nerve clamped for in an enucleation before it is transected? |
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Definition
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Term
| what is the muscle cone packed to obtain hemostasis in an enucleation? |
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Definition
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Term
| what suture is used to close the Tenon capsule and conjuctiva? |
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Definition
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Term
| what is it placed for later used during an enucleation which allows synchronous movement? |
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Definition
| hydroxyapatite spheres with donor sclera to reattach the muscles |
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Term
| what are the possible wound classifications for an enucleation? |
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Definition
| class I, class III for a fresh traumatic wound from clean source, and class IV for a traumatic wound from dirty source or due to delayed treatment; or with the presence of a foreign body. |
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