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
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 DevelopmentRetinopathy
2012
Presumed choroidal metastasis secondary to clear cell sarcoma of the right knee
Nwanyanwu KH, Comer G, Demirci H. Presumed choroidal metastasis secondary to clear cell sarcoma of the right knee. International Ophthalmology 2012, 33: 163-165. PMID: 23053771, DOI: 10.1007/s10792-012-9642-1.Peer-Reviewed Original ResearchConceptsCell sarcomaClear cell sarcomaChoroidal metastasisLeft eyeRight kneeAmelanotic choroidal lesionsMultiple systemic metastasesTime of presentationChoroidal lesionsDay historyFundus examinationSystemic metastasesSubretinal fluidVisual acuitySarcomaMetastasisAponeurosisTendonEyesKneePatientsAcuityChoroidLesionsWomen