Term
| Why should the cornea be irrigated regularly? |
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Definition
| When the cornea dries it becomes cloudy and visualization becomes difficult for the surgeon. |
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Term
| Why are the four rectus muscles tagged? |
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Definition
| The the globe can be rotated in any direction during the procedure |
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Term
| What two methods can be used to seal tears and which is more common? |
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Definition
| Diathermy and cryotherapy; cryotherapy is more common |
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Term
| What kind of explant is used? |
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Definition
| A Silicone or Silastic band, with or without a silicone sponge. |
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Term
| How is the explant treated before it is applied? |
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Definition
| It is soaked in an antibiotic/saline solution of the surgeons' choice. |
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Term
| If a sponge is used, where is is placed? |
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Definition
| On the sclera above the retinal defect. |
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Term
| How is the band positioned? |
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Definition
| It is placed over the sponge (if one is being used) and pulled under each rectus muscle until it encircles the eye. |
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Term
| What suture/stitch is used to secure the band? |
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Definition
| Mattress suture of 4-0 or 5-0 nylon |
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Term
| What gases may be used during the procedure? |
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Definition
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Term
| Why would the patient receive an injection of intraocular gas? |
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Definition
| to create pressure on the retina while subretinal fluid is reabsorbed and scars form. |
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Term
| If gases are used, what special considerations would apply to the patient post-op? |
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Definition
| They would have to keep their head in a specific position for up to 2 weeks to keep the pressure of the gas bubble in the desired spot. Also, no flying. |
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Term
| What complications can occur? |
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Definition
| Immediate post-op discomfort, extraocular infection, anterior segment ischemia, uveitis, and choroidal detachment leading to glaucoma |
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Term
| What are the issues caused by a retinal tear? |
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Definition
| Vision is lost wherever the retina becomes detached and, eventually, the entire retina will detach. |
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Term
| What position is the patient placed in? |
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Definition
| Supine with their arms tucked and a donut under their head. |
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Term
| What anesthesia could be used? |
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Definition
| General or a retrobulbar block with sedation. |
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