NR 443 CHAPTER 53: EYE AND VISION DISORDERS

A 60-year-old patient who has had an enucleation asks when he can get his prosthesis fitted. In approximately how many weeks should this patient expect to be fitted? a. 2 b. 4 c. 8 d. 12 A patient who has been taking opioid medication for postoperative pain exhibits pinpoint pupils. Which anatomic portion of the eye has been affected by the medication? a. Sclera b. Retina c. Choroid d. Bulbar conjunctiva Which portion of the eye makes it possible for a person to see in a darkened environment? a. Macula b. Rods c. Cones d. Optic nerve When being interviewed, a 50-year-old patient says that he cannot see the newspaper as well as he used to. What is the reason this patient vision has changed from near to far? a. The ciliary muscle changes the pupil size. b. The lens of the eye changes shape as the ciliary muscle contracts and relaxes. c. Nearsightedness has set in. d. Clouding of the vitreous humor has occurred. During the initial assessment of a very thin patient at the eye clinic, a nurse notes that the patient has very prominent eyes. What medical diagnosis might the nurse find in this patient’s history? a. Diabetes b. Glomerulonephritis c. Graves disease d. Hypertension When asked about his vision, a patient says that the last time he had it tested, his vision was recorded as 20/50. What does this mean? a. He can read at 20 feet what a person with normal vision can read at 50 feet. b. He can read at 50 feet what a person with normal vision can read at 20 feet. c. He needs to be 50 feet from objects to see them. d. He can see objects the best between 20 and 50 feet. Which intraocular pressure reading obtained by tonometry indicates a patient being evaluated for a visual impairment does not have glaucoma? a. 18 mm Hg b. 28 mm Hg c. 45 mm Hg d. 52 mm Hg . What does a pneumatonometric study of the eye require? a. Regional anesthesia b. A pneumotonometer to be placed into the eye c. A puff of air directed at the surface of the eye d. An applanation performed with a slit-lamp microscope