However, ROP might not be visible until several weeks after birth. So, premature babies at risk for ROP are usually checked by an ophthalmologist at 4 to 6 weeks after birth and again thereafter. NovedadesPrimark CaresVer todo AccesoriosBolsos y monederosGafas de solAccesorios para el peloBisuteríaCinturonesGorros, sombreros, guantes y bufandas