Retinopathy of PrematurityCryotherapyLaser CoagulationInfant, NewbornDiabetic RetinopathyCryosurgeryInfant, PrematureInfant, Premature, DiseasesWartsRetinal NeovascularizationRetinal VesselsRetinal DiseasesGestational AgeInfant, Very Low Birth WeightSensory ThresholdsInfant, Low Birth WeightInfant CareRetinaInfant MortalityInfant FoodOphthalmoscopyBirth WeightVisual AcuityInfant, Newborn, DiseasesScleral BucklingLaser TherapyRetinal DetachmentPregnancyInfant BehaviorPremature BirthPhotographyInfant FormulaAnemia, NeonatalInfant, Extremely PrematureLight CoagulationBronchopulmonary DysplasiaInfant, Extremely Low Birth WeightFluorescein AngiographyIntensive Care Units, NeonatalSudden Infant DeathVitrectomyRetrospective StudiesTreatment OutcomeConjunctival DiseasesVitreous BodyInfant Nutritional Physiological PhenomenaRisk FactorsBlood-Retinal BarrierNeonatal ScreeningFollow-Up StudiesOphthalmologyDifferential ThresholdRetinal HemorrhageHyperoxiaFundus OculiProspective StudiesAnus DiseasesApneaOxygenInfant, Small for Gestational AgeHypertensive RetinopathyRespiratory Distress Syndrome, NewbornAuditory ThresholdVision ScreeningBlindnessEye HemorrhageTime Factors