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The nurse is administering eye drops to a patient with glaucoma. After instilling the patients first medication, how long should the nurse wait before instilling the patients second medication into the same eye?
- A. 30 seconds
- B. 1 minute
- C. 3 minutes
- D. 5 minutes
Correct Answer: D
Rationale: A 5-minute wait ensures adequate absorption of the first eye drop before administering the second, preventing dilution or reduced efficacy.
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The nurses assessment of a patient with significant visual losses reveals that the patient cannot count fingers. How should the nurse proceed with assessment of the patients visual acuity?
- A. Assess the patients vision using a Snellen chart.
- B. Determine whether the patient is able to see the nurses hand motion.
- C. Perform a detailed examination of the patients external eye structures.
- D. Palpate the patients periocular regions.
Correct Answer: B
Rationale: If the patient cannot count fingers, testing hand motion detection is the next step to assess visual acuity. Snellen charts require better vision, and external exams or palpation do not measure acuity.
A public health nurse is teaching a health promotion workshop that focuses on vision and eye health. What should this nurse cite as the most common causes of blindness and visual impairment among adults over the age of 40? Select all that apply.
- A. Diabetic retinopathy
- B. Trauma
- C. Macular degeneration
- D. Cytomegalovirus
- E. Glaucoma
Correct Answer: A,C,E
Rationale: Diabetic retinopathy, macular degeneration, glaucoma, and cataracts are leading causes of blindness in adults over 40. Trauma and cytomegalovirus are less common.
A patient has just returned to the surgical floor after undergoing a retinal detachment repair. The postoperative orders specify that the patient should be kept in a prone position until otherwise ordered. What should the nurse do?
- A. Call the physician and ask for the order to be confirmed.
- B. Follow the order because this position will help keep the retinal repair intact.
- C. Instruct the patient to maintain this position to prevent bleeding.
- D. Reposition the patient after the first dressing change.
Correct Answer: B
Rationale: The prone position allows the gas bubble in pneumatic retinopexy to press against the retinal break, aiding reattachment. It does not prevent bleeding, and repositioning or confirmation is unnecessary.
The registered nurse taking shift report learns that an assigned patient is blind. How should the nurse best communicate with this patient?
- A. Provide instructions in simple, clear terms.
- B. Introduce herself in a firm, loud voice at the doorway of the room.
- C. Lightly touch the patients arm and then introduce herself.
- D. State her name and role immediately after entering the patients room.
Correct Answer: D
Rationale: Stating name and role first identifies the nurse without startling the blind patient. Simplifying instructions or using a loud voice is unnecessary, and touching before introducing may cause discomfort.
The nurse has taken shift report on her patients and has been told that one patient has an ocular condition that has primarily affected the rods in his eyes. Considering this information, what should the nurse do while caring for the patient?
- A. Ensure adequate lighting in the patients room.
- B. Provide a dimly lit room to aid vision by limiting contrast.
- C. Carefully point out color differences for the patient.
- D. Carefully point out fine details for the patient.
Correct Answer: A
Rationale: Rods are responsible for low-light vision, so adequate lighting compensates for rod impairment. Dim lighting worsens vision, and rods do not affect color or fine detail perception.