The nurse is assisting an ophthalmologist with a test to measure the pressure in the eyes of a client in order to detect glaucoma. Which of the following tests is being performed?
A) Tonometry
B) Slit lamp examination
C) Ophthalmoscopic examination
D) Refractive Examination
A
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An instrument called a tonometer can indirectly measure intraocular pressure (IOP), the pressure within the eye. The slit lamp is a special type of microscope that directs a beam of light onto or through the cornea to view the eye's anterior structures. The ophthalmoscope is an instrument used by the examiner to look through the pupil to see the retina and other interior structures. The refractive examination is used to identify the degree of refractive error and determine the type of lens necessary to correct a visual defect.
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