/**
  * Returns the static model of the specified AR class.
  *
  * @return the static model class
  */
 public static function model($className = __CLASS__)
 {
     return parent::model($className);
 }
 public function init()
 {
     if ($default_value = Element_OphCiExamination_VisualAcuity::model()->getSetting('default_value')) {
         $this->value = $default_value;
     }
 }