Tissue DonorsDeltaretrovirus InfectionsDeltaretrovirus AntibodiesCorneaNucleic Acid Amplification TechniquesOocyte DonationTissue and Organ ProcurementBlood DonorsLiving DonorsDirected Tissue DonationBrain DeathAltruismCorneal StromaDeathDonor SelectionGift GivingPresumed ConsentEpithelium, CornealEndothelium, CornealTissue and Organ HarvestingKidney TransplantationEye BanksOrgan TransplantationKeratitisThird-Party ConsentKeratoconusInsemination, Artificial, HeterologousCorneal OpacityEmbryo DispositionEye BurnsCadaverCorneal NeovascularizationKeratoplasty, PenetratingCorneal UlcerLiver TransplantationCorneal EdemaAttitudeOrgan PreservationGraft SurvivalDescemet MembraneTissue PreservationReligion and MedicineBlood Transfusion, AutologousReligionPublic OpinionBlood TransfusionCharitiesFamilyCorneal KeratocytesHuman BodyOphthalmic NerveWaiting ListsCorneal TopographyInformed ConsentTransplantation, HomologousTissue BanksClergyRabbitsKeratitis, HerpeticNephrectomyDisclosureBlood SafetyLimbus CorneaeTime FactorsSurrogate MothersMedical TourismLasers, ExcimerKeratan SulfateConjunctivaWound HealingHistocompatibility TestingGraft RejectionCryopreservationPhotorefractive KeratectomyFund RaisingFluorescent Antibody Technique, IndirectCorneal Dystrophies, Hereditary