A client comes to the occupational health nurse complaining of eye irritation. The client works in a dusty, outdoor environment. Why should the nurse advise periodic blinking to this client?
A) To control the amount of sunlight that enters the eye
B) To minimize the impact of the wind on the eye and to trap foreign debris
C) To clear the dust and particles from the surface of the eyes
D) To prevent the collection of tears over the surface of the eye
C
Feedback:
Periodic blinking clears the dust and particles from the surface of the eyes. The eyelids also spread tears over the surface of the eye, which helps bathe and lubricate the surface. The eyelids protect against foreign bodies and adjust the amount of light that enters the eye, whereas the eyelashes trap foreign debris.
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