OEModule\OphCiExamination\models\Element_OphCiExamination_OpticDisc::getDiameterOptions PHP Method

    public function getDiameterOptions()
    {
        $range = range(0, 4, 0.1);
        foreach ($range as $key => $value) {
            $range[$key] = sprintf('%01.1f', $value);
        }
        return array_combine($range, $range);
    }