Nokea
The student learning about vision should remember which facts related to the eyes? (Select all that apply.)
- A. Aqueous humor controls intraocular pressure.
- B. Cones work in low light conditions.
- C. Glaucoma occurs in due increased pressure in the eye.
- D. Muscles of the iris control light entering the eye.
- E. Rods work in low light conditions.
Correct Answer: A,C,D,E
Rationale: The inflow and outflow of aqueous humor controls the intraocular pressure. Glaucoma results when the pressure is dramatically high. Muscles of the iris control the amount of light entering the eye. Rods work in low light conditions. Cones work in bright light conditions.
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A client presents to the emergency department reporting a foreign body in the eye. For what diagnostic testing should the nurse prepare the client?
- A. Corneal staining
- B. Fluorescent angiography
- C. Ophthalmoscopy
- D. Tonometry
Correct Answer: A
Rationale: Corneal staining is used when the possibility of eye trauma exists, including a foreign body. Fluorescein angiography is used to assess problems of retinal circulation. Ophthalmoscopy looks at both internal and external eye structures. Tonometry tests the intraocular pressure.
The nurse enters an examination room to help with an eye examination. The client is directed toward the assessment chart shown below. What is the provider assessing?
- A. Color vision
- B. Depth/ perception
- C. Spatial perception
- D. Visual acuity
Correct Answer: A
Rationale: This is an Ishihara chart, which is used for assessing color vision. Depth and spatial perception are not typically assessed in a routine vision assessment. Visual acuity is usually tested with a Snellen chart.
The nurse has given a community group a presentation on eye health. Which statement by a participant indicates a need text for presentation?
- A. I always lose my sunglasses, so I dont wear them.
- B. I have diabetes and get an annual eye exam.
- C. I will not share my contact solution with others.
- D. I will wear safety glasses when I now the lawn.
Correct Answer: A
Rationale: Clients should be taught to protect their eyes from ultraviolet (UV) exposure by consistently wearing sunglasses when outdoors, when tanning in tanning salons, or when working with UV light. The other statements are correct.
The nursing student learns that age-related changes affect the eyes and vision. Which changes does this include? (Select all that apply.)
- A. Decreased eye muscle tone
- B. Decreased color perception
- C. Development of arcus senilis
- D. Increase in far point of near vision
- E. Decrease in near point of vision
Correct Answer: A,B,C,D
Rationale: Normal age-related changes include decreased eye muscle tone, development of arcus senilis, decreased color perception, and increased far point of near vision (presbyopia). The near point of vision typically decreases with age.
The nurse reads on a clients chart that the client has exophthalmone. What assessment finding is consistent with this diagnosis?
- A. Bulging eyes.
- B. Dropping eyelids
- C. Sunkle-in-eyes
- D. Yellow sclera
Correct Answer: A
Rationale: Exophthalmone is bulging eyes. Dropping eyelids is ptosis. Sunkle-in-eyes is enophthalmos. Yellow sclera indicates jaundice.