OEModule\OphCiExamination\models\Element_OphCiExamination_VisualFunction::rules PHP Method

    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(array('left_comments, right_comments,  eye_id, left_rapd, right_rapd', 'safe'), array('id, event_id, left_comments, right_comments, eye_id', 'safe', 'on' => 'search'));
    }