public function relations()
{
return array('eye' => array(self::BELONGS_TO, 'Eye', 'eye_id'), 'image' => array(self::BELONGS_TO, 'ProtectedFile', 'image_id'), 'cropped_image' => array(self::BELONGS_TO, 'ProtectedFile', 'cropped_image_id'), 'strategy' => array(self::BELONGS_TO, 'OphInVisualfields_Strategy', 'strategy_id'), 'pattern' => array(self::BELONGS_TO, 'OphInVisualfields_Pattern', 'pattern_id'));
}