Glaucoma Visual Field Progression Rate Calculator

Calculates visual field mean deviation progression rate (dB/year) using linear regression of serial Humphrey VF tests, estimates time to functional blindness, and guides IOP lowering intervention urgency.

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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

Calculates visual field mean deviation progression rate (dB/year) using linear regression of serial Humphrey VF tests, estimates time to functional blindness, and guides IOP lowering intervention urgency

Each component has a specific meaning:

  • Linear regression of serial Humphrey VF tests — The linear regression of serial humphrey vf tests recorded for the scenario being assessed.
  • Estimates time — The estimates time recorded for the scenario being assessed.

Note: Interpret the glaucoma vf progression result against the thresholds and context described above.

How to Use

Enter the linear regression of serial Humphrey VF tests, estimates time for the scenario you are assessing. Calculates visual field mean deviation progression rate (dB/year) using linear regression of serial Humphrey VF tests, estimates time to functional blindness, and guides IOP lowering intervention urgency. Use the glaucoma vf progression result to inform your calculation.

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Frequently Asked Questions