Above the reception desk in the MultiCare Tacoma General Hospital, Tacoma, Wash., narrow fluorescent fixtures with a translucent lens for soft illumination are arranged in a staggered pattern, which reflects the design motif of the blue window wall. Designed by Candela. Lighting and human health #FZPOEGVODUJPOBMJUZBOEQFSGPSNBODF .JDIBFM8IJUF TFOJPSMJHIUJOHEFTJHOFSBU4DIVMFS4IPPL .JOOFBQPMJT TBZTMJHIUJOHEFTJHO DBOQMBZBSPMFJOIVNBOIFBMUIi*OBEEJUJPOUPEFTJHOJOHGPSUIF WJTVBMTZTUFN XFNVTUBMTPEFWFMPQMJHIUJOHTPMVUJPOTUIBUBEESFTT UIFOFFETPGUIFDJSDBEJBOTZTUFN wIFTBZTi8IJMFUIFJNQMJDBUJPOT PGUIJTFYQBOTJPOBSFCSPBE UIFDVSSFOUGPDVTJTPOQBUJFOUTJOMPOH UFSNDBSF XIPUZQJDBMMZTQFOEUIFJSEBZTJOEPPSTVOEFSSFMBUJWFMZ MPXMJHIUMFWFMTw 5IFCFTUBQQSPBDI 8IJUFTVHHFTUT JTUPNBOBHFUIFIPVS MJHIUFEFOWJSPONFOUUPEFMJWFSTUJNVMVTEVSJOHUIFEBZBOEEBSLOFTT BUOJHIUUPSFTUPSFBOENBJOUBJOBTUBCMFDJSDBEJBOSIZUINi5PEFMJWFSUIFOFFEFEFOWJSPONFOUXFNVTUDPOUSPMUIFJOUFOTJUZ EVSBUJPO BOEDPMPSPGUIFMJHIU XIJMFBMTPNFFUJOHUIFDMBTTJDSFRVJSFNFOUTPG JMMVNJOBUJPO TVTUBJOBCJMJUZ NBJOUFOBODFJTTVFT BOECVEHFU 8IJUFBMTPCFMJFWFTUIBUEJNNBCMF-&%EPXOMJHIUTXJMMCFDPNF UIFTUBOEBSEPGUIFGVUVSFBTPVUQVUJODSFBTFTBOEUIFDPTUESPQT 8IJUFDJUFTJNQSPWFNFOUTJOþVPSFTDFOUMJOFBSMJHIUTPVSDFTXJUI SBUJOHTBUNPSFUIBO IPVSTGPSUIFQSPEVDUTDPNJOHPOUP UIFNBSLFU"OEIPTQJUBMBENJOJTUSBUPSTBSFMJLFMZUPUBLFOPUJDF MPPLJOHUPQSPWJEFQBUJFOUTNPSFDPOUSPMPWFSUIFJSFOWJSPONFOU i8IFOXFXFSFQSJDJOHPVUUIFMJHIUJOHPQUJPOTGPSUIF(PMJTBOP $IJMESFOT)PTQJUBMBUUIF6OJWFSTJUZPG3PDIFTUFS XFXFSF BEWJTFEUIBUUIFZXFSFXJMMJOHUPJOWFTUNPSFJOQBUJFOUSPPN MJHIUJOHCFDBVTFUIFEJNNJOHDPOUSPMDBQBCJMJUZPG-&%TBEETUPB QBUJFOUTGFFMJOHPGDPNGPSU wTBZT8JENFS 2VBMJUZPGMJHIUBOEDPMPSHPBMPOHXBZ UPP 8IJUFBEETi"O JEFBUPDPOTJEFSJTBEBZSPPNTQBDFXJUIFOPVHICSJHIUOFTTUPCF NFBTVSFECZUIFDJSDBEJBOTZTUFN5IFSFTHSFBUQSPNJTFXJUI-&% TPVSDJOHNPSFMVNFOTQFSXBUUUPQSPWJEFUIFMJHIUMFWFMTTVHHFTUFEXJUIPVUJODSFBTJOHUIFDPTU8IFOEFTJHOJOHBOFXGBDJMJUZ EBZMJHIUJOHJTBOJNQPSUBOUDPOTJEFSBUJPOUPBOTXFSUIFOFFEGPS NPSFMJHIUwHCD Vilma Barr is a freelance writer based in Philadelphia. She can be reached at vilmabarr@aol.com. 54 www.healthcaredesignmagazine.com 10.13 Evaluation-based design 'PS/FX:PSL1SFTCZUFSJBO)PTQJUBM /:1 JO/FX:PSL )%3*ODJTQSPWJEJOHBSDIJUFDUVSBMBOEEFTJHOTFSWJDFT JODMVEJOHMJHIUJOHEFTJHO GPSFJHIUCVJMEJOHTJOJUT TZTUFNi5IFGBDJMJUJFTTUBGGBU/:1SFDPHOJ[FEUIFOFFE UPCFQSPBDUJWFUPSFTPMWFDVSSFOUMJHIUJOHJTTVFTBOE EFTJHOTGPSUIFGVUVSF wTBZT,BSFO.VSQIZ MJHIUJOHEFTJHOFSGPS)%3 1SJODFUPO /+ 5PNFFUUIJTPCKFDUJWF TIFFNCBSLFEPOBUPVSPGBMMýWFDBNQVTFTPG/:1 "DDPNQBOJFECZ/:1QSPKFDUNBOBHFST PQFSBUJPOTEJSFDUPST BOEFMFDUSJDBMNBOBHFST TIFTQPLF XJUIQBUJFOUT NFEJDBMTUBGG WJTJUPST BOEIPVTFLFFQJOH QFSTPOOFM4IFPCTFSWFEMJHIUJOHTPMVUJPOTUIBUXPSLFE BOEPUIFSTUIBUXFSFDBOEJEBUFTGPSJNQSPWFNFOUGPS TUBOEBSESPPNUZQFT TQFDJBMUZBSFBT BOEQVCMJDBSFBT .VSQIZBOEIFSUFBNBMTPDSFBUFEBiMJHIUJOHTIPXw UPFYIJCJUPQUJPOTGPSUIFUISFFVTFDBUFHPSJFT5IFZ HBUIFSFENPSFUIBOýYUVSFT HSPVQFEUIFNCZBQQMJDBUJPO BOEDSFBUFEFWBMVBUJPOGPSNT0WFSBUXPEBZ QFSJPE TUBGGGSPNBMMýWFDBNQVTFTWJTJUFEUIF.PSHBO 4UBOMFZ$IJMESFOT)PTQJUBM XIFSFUBCMFUPQTUBUJPOT XFSFTFUVQXJUIPQFSBUJOHýYUVSFT5IFMJHIUJOHEFTJHOFSTEFNPOTUSBUFEQSPEVDUTPOEJTQMBZBOEFYQMBJOFE UIFJSCFOFýUTGPSQPUFOUJBM/:1VTFT 5IFEFTJHOUFBNJOTUJUVUFEBTZTUFNUPFWBMVBUFUIF SFTQPOTFTi&MFDUSJDBMTUBGGNFNCFSTXFSFQBSUJBMUP FBTFPGBDDFTTBOESFQMBDFNFOU w.VSQIZSFQPSUT i"FTUIFUJDTSBOLFEIJHIXJUIUIFNFEJDBMBOETVQQPSU TUBGG8FBTTJHOFENPSFXFJHIUGPSUIFýOBMTFMFDUJPOPG ýYUVSFTUPUIFFMFDUSJDBMTUBGG.FEJDBMTUBGGXFSFHJWFO QSFGFSFODFJOUIFJSSFTQPOTFTUPUIFDPMPSUFNQFSBUVSF BOEDPMPSSFOEFSJOHGPSUIFýOBMMBNQTFMFDUJPOBTXFMM BTUIFFYBNJOBUJPOMJHIUT w.VSQIZTBZT *ODMVEFEJOUIFMJHIUJOHHVJEFMJOFTEFWFMPQFEGPS/:1 BSFTQFDJýDBUJPOTUPCFVTFEPOBMMQSPKFDUTUPFOTVSF VOJGPSNUSBJOJOHGPSUIFUFDIOJDBMBOENBJOUFOBODFTUBGG DPWFSJOHDPOUSPMTBOETFSWJDJOHPGOFXJMMVNJOBUJPO systems. ECKERT AND ECKERT t $PNQMFUFMJHIUJOHEFTJHOTFSWJDFTEFTJHO TQFDJýDBUJPO DJSDVJUJOHBOEDPOUSPMT DPOTUSVDUJPOEPDVNFOUBUJPOBOEEFUBJMT DPOTUSVDUJPOBENJOJTUSBUJPODBOSBOHFGSPNQFSDFOU PGUPUBMDPOTUSVDUJPODPTUThttp://www.healthcaredesignmagazine.com