Question

Tonometry is performed on the client with a suspected diagnosis of glaucoma. The nurse reviews the test results as documented in the client's chart and understands that normal intraocular pressure is approximately:

Option 1: 10-15 mmHg
Option 2: 16-21 mmHg
Option 3: 22-28 mmHg
Option 4: 29-35 mmHg

Answer 1

The normal intraocular pressure is generally between 12-24 mmHg. Tonometry is the method used to measure this pressure for detecting glaucoma. Option 2 (16-21 mmHg) corresponds to the normal range.

Step-by-step explanation:

The normal intraocular pressure is a key factor in the diagnosis of glaucoma, a condition where increased pressure in the eye can lead to optic nerve damage. According to the provided reference materials, the range of normal intraocular pressure is between 12-24 mmHg. Tonometry is the method used to measure this pressure, which can vary based on the force necessary to indent the cornea. People over 40 should particularly be tested, as they are at a higher risk of developing glaucoma.

Therefore, the nurse reviewing the test results should understand that the normal intraocular pressure is approximately 16-21 mmHg, aligning with Option 2 provided in the question. This range falls comfortably within the broader normal range of 12-24 mmHg mentioned in the reference material.