IOP Goldmann Tonometry Diurnal Variation

Assess intraocular pressure (IOP) diurnal variation and peak IOP from Goldmann applanation tonometry. Normal IOP 10-21 mmHg; diurnal fluctuation >5-6 mmHg correlates with glaucoma progression risk.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Assess intraocular pressure (IOP) diurnal variation and peak IOP from Goldmann applanation tonometry. Normal IOP 10-21 mmHg; diurnal fluctuation >5-6 mmHg correlates with glaucoma progression risk

Each component has a specific meaning:

  • Goldmann applanation tonometry — The goldmann applanation tonometry recorded for the scenario being assessed.

Note: Interpret the iop diurnal variation result against the thresholds and context described above.

How to Use

Enter the Goldmann applanation tonometry for the scenario you are assessing. Assess intraocular pressure (IOP) diurnal variation and peak IOP from Goldmann applanation tonometry. Normal IOP 10-21 mmHg; diurnal fluctuation >5-6 mmHg correlates with glaucoma progression risk. Use the iop diurnal variation result to inform your calculation.

Frequently Asked Questions