A patient arrives in the emergency department complaining of eye itching and pain after sleeping with contact lenses in place. To facilitate further examination of the eye,fluorescein angiography is ordered. The nurse will teach the patient to

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Fluorescein angiography involves injecting IV dye. If extravasation occurs,fluorescein is toxic to the tissues. The patient should be instructed to report any signs of extravasation such as pain or burning. The nurse should closely monitor the IV site as well. The cornea is anesthetized during ultrasonography. Refractometry involves measuring visual acuity and asking the patient to choose lenses that are the sharpest; it is a painless test. The Amsler grid test involves using a hand held card with grid lines. The patient fixates on the center dot and records any abnormalities of the grid lines.

A Patient Arrives in the Emergency Department Complaining of Eye