简介：DearEditor,IamDr.SorayaMediero,fromDepartmentofOphthalmologyofLaPazUniversityHospital,Madrid,Spain.IwritetopresentacasereportofkeratoconusassociatedwithWilliams-Beurensyndrome(WBS).Toourknowledge,thisisthefourthreportofkeratoconusassociatedwithWBSandthe

简介：CornealdiseasesarecurrentlythesecondmaincauseofblindnessinChina.Althoughmostofthecornealblindnesscouldbetreatedbycornealtransplantation,onlyabout10000operationswerecarriedouteachyearowingtothesevereshortageofcornealdonorsandlimitedeyebankprograms.AfeasiblecorneadonationprogramwasestablishedthroughtheorganizationoftheRedCross,andinsitucornealremovaltechniquesweredevelopedtoavoidconflictswithChinesetraditionsofkeepingthedeceasedintact.Thenumberofdonatedcorneas,whichhadasafeandsecurequality,increasedsignificantlyyearbyyear.