OEModule\OphCiExamination\models\OphCiExamination_IntraocularPressure_Value::afterValidate PHP Method

    public function afterValidate()
    {
        if (!$this->reading_id && !$this->qualitative_reading_id) {
            $this->addError('reading_id', 'Either a numerical reading or a qualitative reading must be specified.');
        }
        return parent::afterValidate();
    }