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A nurse in an ophthalmology clinic is interviewing a client who was referred by his primary care provider for suspicion of cataracts. The nurse should expect the client to report:

A.

Having a decreased ability to perceive colors.

B.

Having a loss of peripheral vision.

C.

Seeing bright flashes of light and floaters.

D.

Loss of central vision.

Answer and Explanation

The Correct Answer is A

Choice A rationale

 

Cataracts cause the lens of the eye to become cloudy, leading to a decreased ability to perceive colors. This is due to the scattering of light as it passes through the cloudy lens, which reduces the clarity and vibrancy of colors.

 

Choice B rationale

 

Loss of peripheral vision is more commonly associated with glaucoma, a condition where increased intraocular pressure damages the optic nerve.

 

Choice C rationale

 

Seeing bright flashes of light and floaters is typically a symptom of retinal detachment, a serious condition where the retina pulls away from its normal position.

 

Choice D rationale

 

Loss of central vision is often linked to macular degeneration, a condition that affects the central part of the retina responsible for sharp, detailed vision.

 


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View Related questions

Correct Answer is C

Explanation

Choice A rationale

Applying cool compresses can help reduce swelling and discomfort, but it is not the primary instruction for a client scheduled for retinal detachment surgery.

Choice B rationale

Eye drops to constrict the pupils are not typically prescribed for retinal detachment surgery. The focus is on preventing further detachment and ensuring proper healing.

Choice C rationale

Restricting head movement is crucial to prevent further detachment of the retina and to promote proper healing after surgery. The client should be instructed to avoid sudden or excessive head movements.

Choice D rationale

Keeping both eyes patched is not necessary and may cause unnecessary discomfort and disorientation for the client.

Correct Answer is B

Explanation

Choice A rationale

Timolol is a beta-blocker used to reduce intraocular pressure in patients with open-angle glaucoma. It is not intended for short-term use or gradual tapering off. The medication must be used consistently to maintain its therapeutic effect.

Choice B rationale

Timolol should be applied on a regular schedule for the rest of the client’s life to effectively manage intraocular pressure and prevent further damage to the optic nerve.

Choice C rationale

Timolol does not cure glaucoma or normalize intraocular pressure permanently. Continuous use is necessary to control the condition.

Choice D rationale

Timolol is not used as a pain reliever. It is specifically prescribed to manage intraocular pressure in glaucoma patients.

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