2023
Epidemiologic trends of domestic violence–related ocular injuries among pediatric patients: data from the Nationwide Emergency Department Sample 2008-2017
Andoh J, Miguez S, Andoh S, Mehta S, Mir T, Chen E, Jain S, Teng C, Nwanyanwu K. Epidemiologic trends of domestic violence–related ocular injuries among pediatric patients: data from the Nationwide Emergency Department Sample 2008-2017. Journal Of American Association For Pediatric Ophthalmology And Strabismus 2023, 27: 335.e1-335.e8. PMID: 37931837, PMCID: PMC10859911, DOI: 10.1016/j.jaapos.2023.09.008.Peer-Reviewed Original ResearchConceptsOcular injuriesHospital stayED encountersMedian chargePediatric emergency department patientsCommon ocular diagnosisEye/adnexaMedian hospital stayEmergency department patientsMechanism of injuryInpatient hospital stayCross-sectional studyLow socioeconomic statusLowest income quartileSpecific social determinantsPediatric patientsAnnual incidenceDepartment patientsMedicaid insuranceMedian lengthTrauma hospitalSecondary diagnosisOcular diagnosisEpidemiologic trendsPatientsFactors Associated With Visual Impairment Among Adults With a History of Criminal Justice Involvement
Andoh J, Mir T, Teng C, Wang E, Nwanyanwu K. Factors Associated With Visual Impairment Among Adults With a History of Criminal Justice Involvement. Journal Of Correctional Health Care 2023, 29: 329-337. PMID: 37733299, DOI: 10.1089/jchc.22.07.0056.Peer-Reviewed Original ResearchCriminal justice involvementVisual impairmentPopulation-based studyAfrican American raceJustice involvementChronic health conditionsCross-sectional studyFemale sexHealth characteristicsAmerican raceDrug useYounger ageOlder ageHealth equityHealth conditionsImpairmentLess educationAdultsAdult respondentsNational surveySimilar ratesLow incomeInvolvementAgePast yearDomestic Violence-Related Ocular Injuries Among Adult Patients: Data from the Nationwide Emergency Department Sample, 2008–2017
Andoh J, Mehta S, Chen E, Mir T, Nwanyanwu K, Teng C. Domestic Violence-Related Ocular Injuries Among Adult Patients: Data from the Nationwide Emergency Department Sample, 2008–2017. Ophthalmic Epidemiology 2023, 31: 169-177. PMID: 37345877, PMCID: PMC10739625, DOI: 10.1080/09286586.2023.2222792.Peer-Reviewed Original ResearchNationwide Emergency Department SampleCommon ocular injuriesEye/adnexaOcular injuriesED visitsAdult emergency department patientsMost ED visitsMean hospital stayHospital admission ratesEmergency department patientsHospital-level variablesAnnual incidence rateEmergency Department SampleCross-sectional studyLowest income quartileHospital stayAdult patientsDepartment patientsHospital admissionOpen globeAdmission ratesIncidence rateRegional hospitalMean costOrbital fracturesDisparities in Eye Care Access and Utilization: A Narrative Review
Andoh J, Ezekwesili A, Nwanyanwu K, Elam A. Disparities in Eye Care Access and Utilization: A Narrative Review. Annual Review Of Vision Science 2023, 9: 15-37. PMID: 37254050, DOI: 10.1146/annurev-vision-112122-020934.Peer-Reviewed Original Research
2022
Data Sciences and Visual Health Disparities
Legault G, Nwanyanwu K, Baxter S. Data Sciences and Visual Health Disparities. Ophthalmology 2022, 129: 1085-1086. PMID: 36058740, DOI: 10.1016/j.ophtha.2022.06.032.Peer-Reviewed Original Research
2020
Ophthalmic Medication Expenditures and Out-of-Pocket Spending An Analysis of United States Prescriptions from 2007 through 2016
Chen EM, Kombo N, Teng CC, Mruthyunjaya P, Nwanyanwu K, Parikh R. Ophthalmic Medication Expenditures and Out-of-Pocket Spending An Analysis of United States Prescriptions from 2007 through 2016. Ophthalmology 2020, 127: 1292-1302. PMID: 32359935, PMCID: PMC7508869, DOI: 10.1016/j.ophtha.2020.04.037.Peer-Reviewed Original ResearchConceptsOphthalmic medicationsMedication expendituresOOP expenditureLongitudinal cohort studyOverall drug expendituresUnited States populationPrescription drug spendingGlaucoma medicationsCohort studyMedication useDry eyePrescription usePrescription expendituresPrescription medicationsOOP expensesMedicationsCopayment assistancePocket expenditureOOP spendingDrug expendituresPocket spendingDrug spendingIndirect costsMEPS participantsLinear regressionNeighborhood Deprivation and Adherence to Initial Diabetic Retinopathy Screening
Yusuf R, Chen EM, Nwanyanwu K, Richards B. Neighborhood Deprivation and Adherence to Initial Diabetic Retinopathy Screening. Ophthalmology Retina 2020, 4: 550-552. PMID: 32139294, PMCID: PMC8281953, DOI: 10.1016/j.oret.2020.01.016.Peer-Reviewed Original Research
2019
Barriers to and Facilitators of Diabetic Retinopathy Screening Utilization in a High-Risk Population
Fairless E, Nwanyanwu K. Barriers to and Facilitators of Diabetic Retinopathy Screening Utilization in a High-Risk Population. Journal Of Racial And Ethnic Health Disparities 2019, 6: 1244-1249. PMID: 31463812, PMCID: PMC6880869, DOI: 10.1007/s40615-019-00627-3.Peer-Reviewed Original ResearchConceptsHigh-risk populationEye examDiabetic retinopathyVision lossQualified community health centersCommunity health centersLow socioeconomic statusUse of screeningBackgroundDiabetic retinopathyMedian ageEye careHealth centersClinic experienceDiabetesPatientsVision statusRetinopathyConclusionsThe factorsMethodsQualitative interviewsVisual symptomsSocioeconomic statusHealth insuranceImportant facilitatorsExamParticipants
2018
Hemorrhagic occlusive retinal vasculitis leading to the diagnosis of ciliary body melanoma
Williams BK, Welch R, Nwanyanwu KH, Shields CL. Hemorrhagic occlusive retinal vasculitis leading to the diagnosis of ciliary body melanoma. Saudi Journal Of Ophthalmology 2018, 33: 81-83. PMID: 30930668, PMCID: PMC6424716, DOI: 10.1016/j.sjopt.2018.09.004.Peer-Reviewed Original ResearchHemorrhagic occlusive retinal vasculitisMagnetic resonance imagingOcclusive retinal vasculitisCiliary body melanomaRetinal vasculitisCataract surgeryCiliary bodyBilateral sequential cataract surgeryDiffuse retinal vasculitisFundus examination OSFine-needle aspiration biopsyBilateral cataract surgerySequential cataract surgeryNeedle aspiration biopsyFeatures of melanomaPlaque radiotherapyVascular complicationsCarotid ultrasonographyRetinal ischemiaLeft eyePigmented massSurgical interventionAnterior chamberGonioscopic evaluationOphthalmic examination2458 Determining the prevalence and associated multilevel characteristics of undiagnosed diabetic retinopathy
Nwanyanwu K, Nunez-Smith M, Desai M, Gardner T. 2458 Determining the prevalence and associated multilevel characteristics of undiagnosed diabetic retinopathy. Journal Of Clinical And Translational Science 2018, 2: 67-68. PMCID: PMC6799117, DOI: 10.1017/cts.2018.247.Peer-Reviewed Original ResearchUndiagnosed diabetic retinopathyDiabetic retinopathyEthnic disparitiesSight-saving treatmentClinical examination dataCause of blindnessHigh prevalenceTimely diagnosisRetinopathyGreater severityExamination dataPrevalenceBlindnessEthnic minoritiesResults/PopulationRepresentative surveyDisparitiesQualitative interviewsDiagnosisSeveritySpontaneous Rupture of an Iris Stromal Cyst
Hall LB, Nwanyanwu K. Spontaneous Rupture of an Iris Stromal Cyst. Ophthalmology 2018, 125: 30. PMID: 29268865, DOI: 10.1016/j.ophtha.2017.09.005.Peer-Reviewed Original ResearchNear-Peer Teaching Outreach Programs to Increase Minority Physician Recruitment
Linderman W, Apostolopoulos N, Gopal A, Encandela J, Teng C, Nwanyanwu K, Forster S. Near-Peer Teaching Outreach Programs to Increase Minority Physician Recruitment. Journal Of Academic Ophthalmology 2018, 10: e122-e126. DOI: 10.1055/s-0038-1667202.Peer-Reviewed Original ResearchNear-peer teachersHigh school studentsCareer pathsPeer teachersStudents' knowledgeSchool studentsOutreach programsMinority high school studentsInner-city high school studentsTeachers' career pathsNear-peer teachingPairwise t-test comparisonsPotential career pathsEducational outreach programPhysician recruitmentTeaching modelTeacher satisfactionTeachersPosttest surveysStudentsQualitative responsesProgram daysTraining surveyTeachingT-test comparisons
2017
Systematic review of community-engaged research in ophthalmology
Nwanyanwu KH, Nardini H, Shaughness G, Nunez-Smith M, Newman-Casey PA. Systematic review of community-engaged research in ophthalmology. Expert Review Of Ophthalmology 2017, 12: 233-241. PMID: 29333193, PMCID: PMC5759339, DOI: 10.1080/17469899.2017.1311787.Peer-Reviewed Original ResearchCommunity-engaged researchOvid EmbaseCochrane LibraryCommunity-based participatory researchMedical Subject HeadingsOvid MEDLINEEye diseaseNLM PubMedHealth outcomesSystematic reviewHealth disparitiesVision disordersComprehensive searchOphthalmic researchRelevant studiesOphthalmologyAdditional referencesFull textParticipatory researchExpert consultationOutcomesSubject headingsUnique referencesField of medicineCommunity engagement
2016
Ocular Syphilis Presenting as Bilateral Acute Retinal Necrosis in an Immunocompetent Host.
Hussnain SA, Ketner S, Coady PA, Kombo N, Nwanyanwu K. Ocular Syphilis Presenting as Bilateral Acute Retinal Necrosis in an Immunocompetent Host. Connecticut Medicine 2016, 80: 533-536. PMID: 29772137.Peer-Reviewed Original ResearchConceptsBilateral acute retinal necrosisAcute retinal necrosisOcular syphilisRetinal necrosisCases of syphilisOphthalmic testingOcular inflammationGreat masqueraderImmunocompetent hostsDiagnostic dilemmaClinical signsHigh indexSyphilisNecrosisSignsInflammationPatientsPresentingOphthalmologistsSymptomsCliniciansSuspicionIdiopathic retinal vasculitis, aneurysms and neuroretinitis case report
Alasil T, Ketner S, Coady PA, Adelman RA, Nwanyanwu KH. Idiopathic retinal vasculitis, aneurysms and neuroretinitis case report. American Journal Of Ophthalmology Case Reports 2016, 2: 33-36. PMID: 29503895, PMCID: PMC5757360, DOI: 10.1016/j.ajoc.2016.04.006.Peer-Reviewed Original ResearchIdiopathic retinal vasculitisLeft eyeRetinal vasculitisVenous beadingArterial aneurysmsBilateral optic disc edemaExtensive laboratory workupRetinal arterial aneurysmsOptic disc edemaLow-grade inflammationOptic nerve activityWhite female patientReview of systemsDisc edemaMacular exudatesOral prednisoneRetina clinicVascular sheathingFundus examinationGrade inflammationLaboratory workupBilateral involvementClose followNerve activityFemale patients
2015
Beyond HbA1c: Environmental Risk Factors for Diabetic Retinopathy
Nwanyanwu KH, Newman-Casey PA, Gardner TW, Lim JI. Beyond HbA1c: Environmental Risk Factors for Diabetic Retinopathy. Journal Of Clinical & Experimental Ophthalmology 2015, 06: 405. PMID: 26973797, PMCID: PMC4785841, DOI: 10.4172/2155-9570.1000405.Peer-Reviewed Original ResearchEnvironmental risk factorsDiabetic retinopathyRisk factorsDuration of diseaseDiabetic eye diseasePrevalence of diabetesCause of blindnessCost-effective interventionWorking-aged peopleMicrovascular complicationsEye diseasePopulation-level challengesRetinopathyDiseaseDiabetesBlindnessComplicationsFactorsPrevalence
2014
Reduced Fluorescein Angiography and Fundus Photography Use in the Management of Neovascular Macular Degeneration and Macular Edema During the Past DecadeImaging Tests for Macular Diseases
Schneider EW, Mruthyunjaya P, Talwar N, Nwanyanwu K, Nan B, Stein JD. Reduced Fluorescein Angiography and Fundus Photography Use in the Management of Neovascular Macular Degeneration and Macular Edema During the Past DecadeImaging Tests for Macular Diseases. Investigative Ophthalmology & Visual Science 2014, 55: 542-549. PMID: 24346174, PMCID: PMC3907135, DOI: 10.1167/iovs.13-13034.Peer-Reviewed Original ResearchConceptsNeovascular age-related macular degenerationProportion of patientsMacular edemaFluorescein angiographyFundus photographyOptical coherence tomographyMacular degenerationDiagnostic testingIncident neovascular age-related macular degenerationAge-related macular degenerationRepeated-measures logistic regressionNeovascular macular degenerationTraditional diagnostic testingUse of OCT
2013
Smudge in My Vision
Nwanyanwu KH, Lim JI. Smudge in My Vision. JAMA Ophthalmology 2013, 131: 1637-1638. PMID: 24337560, DOI: 10.1001/jamaophthalmol.2013.7410.Peer-Reviewed Original ResearchPredicting Development of Proliferative Diabetic Retinopathy
Nwanyanwu K, Talwar N, Gardner TW, Wrobel JS, Herman WH, Stein JD. Predicting Development of Proliferative Diabetic Retinopathy. Diabetes Care 2013, 36: 1562-1568. PMID: 23275374, PMCID: PMC3661803, DOI: 10.2337/dc12-0790.Peer-Reviewed Original ResearchConceptsNonproliferative diabetic retinopathyDiabetic retinopathy progressionRetinopathy progressionDiabetic retinopathyMultivariable Cox regression analysisProgression risk scoreHigh-risk patientsRetrospective cohort analysisCox regression analysisProliferative diabetic retinopathyFive-year probabilityLow-risk individualsCare recipient ageAdvanced diseaseRecipient ageDiabetes mellitusGlycemic controlClaims databaseVision lossDisease progressionCohort analysisRisk scoreManaged-care networkPredicting DevelopmentRetinopathyCost-Effectiveness of Various Interventions for Newly Diagnosed Diabetic Macular Edema
Stein JD, Newman-Casey PA, Kim DD, Nwanyanwu KH, Johnson MW, Hutton DW. Cost-Effectiveness of Various Interventions for Newly Diagnosed Diabetic Macular Edema. Ophthalmology 2013, 120: 1835-1842. PMID: 23642372, PMCID: PMC3737388, DOI: 10.1016/j.ophtha.2013.02.002.Peer-Reviewed Original ResearchMeSH KeywordsAngiogenesis InhibitorsAntibodies, Monoclonal, HumanizedBevacizumabCombined Modality TherapyCost-Benefit AnalysisDiabetic RetinopathyDiagnostic Techniques, OphthalmologicalDrug CostsFinancing, PersonalGlucocorticoidsHealth Care CostsHumansIntravitreal InjectionsLaser CoagulationMacular EdemaMarkov ChainsMiddle AgedQuality-Adjusted Life YearsRanibizumabTriamcinolone AcetonideVascular Endothelial Growth Factor AConceptsQuality-adjusted life yearsProbabilistic sensitivity analysesTime horizonSensitivity analysisCost-effectiveness analysisWTP valuesCost-effective treatment optionLife yearsIncremental costMedicare fee scheduleWTPHypothetical cohortFee scheduleCSDMECostHorizonFinancialMarkov modelWillingnessOptions