public function relations()
{
return array('element' => array(self::BELONGS_TO, 'OEModule\\OphCiExamination\\models\\Element_OphCiExamination_ColourVision', 'element_id'), 'eye' => array(self::BELONGS_TO, 'Eye', 'eye_id'), 'value' => array(self::BELONGS_TO, 'OEModule\\OphCiExamination\\models\\OphCiExamination_ColourVision_Value', 'value_id'));
}