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optic_nerve_diameter_calculator [2025/02/21 04:53] Scott Larsonoptic_nerve_diameter_calculator [2025/02/21 05:41] (current) – removed Scott Larson
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-====== Optic Nerve Diameter 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 Optic Nerve Diameter</title> 
-</head> 
-<body> 
-  <h3>Calculate optic nerve diameter Using Heidelberg Spectralis OCT optic nerve report</h3> 
- 
-  <label for="a">Measure green ring diameter from OCT report and enter here (mm):</label> 
-  <input type="number" id="a" step="any" placeholder="Ring Diameter"><br><br> 
- 
-  <label for="b">Measure optic nerve diameter from OCT report and enter here (mm):</label> 
-  <input type="number" id="b" step="any" placeholder="Optic Nerve Diameter"><br><br> 
- 
-  <button onclick="calculateC()">Calculate</button> 
-  <br><br> 
-  <p id="result"></p> 
- 
-  <script> 
-    function calculateC() { 
-      // Get input values 
-      const a = parseFloat(document.getElementById("a").value); 
-      const b = parseFloat(document.getElementById("b").value); 
- 
-      // Check if inputs are valid numbers 
-      if (isNaN(a) || isNaN(b) || a === 0) { 
-        document.getElementById("result").textContent = "Please enter valid numbers. They must not be zero."; 
-        return; 
-      } 
- 
-      // Calculate C using the formula 
-      const c = (b / a) * 3.5; 
- 
-      // Display the result in bold 
-      document.getElementById("result").innerHTML = `The optic nerve diameter is: <strong>${c.toFixed(2)} mm</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|}}\\ 
-<wrap hi>3. Measure optic nerve diameter</wrap> 
-{{::spectralis_measrue_on.png|}} 
- 
-{{tag>calculator}}