Retinal fundus examination of premature infants, several times need to be reviewed

Premature infants do retinal fundus examination, if it is normal full-term infants, generally do once can; if it is premature infants, generally need to do two times, the first time is at birth examination, exclude fundus hemorrhage, the second time is after the full moon examination, if fundus screening abnormal, but also need to do further detailed examination.