Differences

This shows you the differences between two versions of the page.

--- optic_nerve_diameter_calculator [2025/02/21 05:40] – Scott Larson
+++ optic_nerve_diameter_calculator [2025/02/21 05:41] (current) – removed Scott Larson
@@ Line 1: / Line 1: @@
-====== Optic Disc Area Calculator ======
-[[optic_nerve_diameter_calculator|to reload calculator→ Click HERE]]
-<html>
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Calculate D</title>
-</head>
-<body>
-  <h3>Estimate Disc Area from the Heidelberg Spectralis OCT optic nerve report</h3>
-  <form id="calc-form">
-    <label for="a">Measure ring diameter (mm):</label>
-    <input type="number" id="a" step="any" placeholder="Enter Ring Diameter" required><br><br>
-    <label for="b">Measure horizontal disc diameter (mm):</label>
-    <input type="number" id="b" step="any" placeholder="Enter Horizontal Disc Diameter" required><br><br>
-    <label for="c">Measure vertical disc diameter:</label>
-    <input type="number" id="c" step="any" placeholder="Enter Vertical Disc Diameter" required><br><br>
-    <button type="button" onclick="calculateD()">Calculate</button>
-  </form>
-  <br><br>
-  <p id="result"></p>
-  <script>
-    function calculateD() {
-      // Get input values
-      const a = parseFloat(document.getElementById("a").value);
-      const b = parseFloat(document.getElementById("b").value);
-      const c = parseFloat(document.getElementById("c").value);
-      // Check for valid input and ensure A is not zero
-      if (isNaN(a) || isNaN(b) || isNaN(c) || a === 0) {
-        document.getElementById("result").textContent = "Please enter valid numbers for ring diameter, horizontal and vertical disc diameters. Values must not be zero.";
-        return;
-      }
-      // Calculate D using the formula D = π * (3.0625 * B * C) / (A^2)
-      const d = Math.PI * (3.0625 * b * c) / (a * a);
-      // Display the result in bold
-      document.getElementById("result").innerHTML = `The estimated disc area is: <strong>${d.toFixed(2)} mm2</strong>`;
-    }
-  </script>
-</body>
-</html>
-----
-=== Test Procedure ===
-Use this test to estimate the optic nerve diameter (in whichever direction) of the Heidelberg Spectralis optic nerve report. This report must show an image of the optic nerve head and the green peripapillary ring
-<wrap hi>1. Spectralis OCT Optic Nerve Report</wrap>
-{{::spectralis_oct_optic_nerve_report.png?|}}\\
-<wrap hi>2. Measure ring diameter</wrap>
-{{::spectralis_measure_ring.png?600|}}\\
-<wrap hi>3. Measure horizontal optic nerve diameter</wrap>
-{{::spectralis_horizontal_disc.png?600|}}\\
-<wrap hi>4. Measure vertical optic nerve diameter</wrap>
-{{::spectralis_vertical_disc.png?600|}}
-{{tag>calculator}}