Axial Eye Length Prediction Calculator-Children's Eye Wiki

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======Axial Eye Length Prediction Calculator======

<button type="primary" size="sm">[[axial_eye_length_prediction_calculator|Reload calculator]]</button>

<html>
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Calculate Future AEL</title>
</head>
<style>
  body {
      font-family: Arial, sans-serif;
      margin: 20px;
      padding: 20px;
      max-width: 1000px;
  }
  reference  {
     font-family: Arial, sans-serif;
     font-size: 12px;
     font-weight: normal;
  }
  h2 {
      color: #333;
  }
  label {
      font-weight: bold;
  }
  input, button {
      margin-top: 5px;
      padding: 8px;
      font-size: 16px;
  }
  p {
      font-size: 18px;
      font-weight: bold;
      color: blue;
      margin-top: 10px;
  }
</style>
<body>
  <h3>Calculate Future Axial Length at Age 20</h3>

  <label for="b">Enter Current Axial Eye Length (mm):</label>
  <input type="number" id="b" step="any" style="width: 85px;" placeholder="AEL"><br><br>

  <label for="c">Enter Current Age in years (minimum age 2, maximum 20):</label>
  <input type="number" id="c" step="any" style="width: 85px;" placeholder="Age"><br><br>

  <button onclick="calculateA()">Calculate </button>
  <br><br>
  <p id="result"></p>

  <script>
    function calculateA() {
      // Get input values
      const b = parseFloat(document.getElementById("b").value);
      const c = parseFloat(document.getElementById("c").value);

      // Check if inputs are valid numbers
      if (isNaN(b) || isNaN(c)) {
        document.getElementById("result").textContent = "Please enter valid numbers for Axial Length and Age.";
        return;
      }

      // Check if C is greater than 2 but less than 20
      if (c < 2) {
        document.getElementById("result").textContent = "Error: The age must be greater than 2 but less than 20.";
        return;
      }
      if (c > 20) {
         document.getElementById("result").textContent = "Error: The age must be less than 20 but greater than 2.";
         return;
      }

      // Calculate A using the formula
      const a = 1.93 + (0.91 * b) - (0.07 * c) + 2.8 - (0.1 * c);

      // Display the result
      document.getElementById("result").innerHTML = `The estimated axial eye length at age 20 years is: <strong> ${a.toFixed(2)} mm </strong>`;
    }
  </script>
  <br><br>
  <div class="reference">
   <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC7179734/">Adapted from: Trivedi RH et al. A Model to Predict Postoperative Axial Length in Children Undergoing Bilateral Cataract Surgery with Primary Intraocluar Lens Implantation. Am J Ophthalmol. 2019;206:228-234. </a>
   </div>
</body>
</html>
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<pane id="references">{{::axial_eye_length_prediction_calculator.xlsx |Download Calculator in Excel}}</pane>

<pane id="references">{{::a_model_to_predict_postoperative_axial_length_in_children_undergoing_bilateral_cataract_surgery_with_primary_intraocular_lens_implantation.pdf |Adapted from Trivedi RH et al. A Model to Predict Postoperative Axial Length in Children Undergoing Bilateral Cataract Surgery With Primary Intraocular Lens Implantation. Am J Ophthalmol 2019;206:228–234.}} </pane>


{{tag>cataract calculator}}
cataract calculator