public function accessRules()
{
return array(array('allow', 'actions' => array('index', 'operation', 'runReport', 'downloadReport', 'cataractComplicationTotal'), 'roles' => array('OprnGenerateReport', 'admin')), array('allow', 'actions' => array('cataractComplicationTotal'), 'expression' => 'Yii::app()->user->isSurgeon()'));
}