EyeWorld Korea December 2019 Issue

2 | 7KH 2SWLZDYH 5HIUDFWLYH $QDO\VLV 25$Ƞ V\VWHP ZLWK 9HULI(\H technology is an intraoperative aberrometry that provides XQLTXH LQIRUPDWLRQ WR LPSURYH UHIUDFWLYH RXWFRPHV ΖW DOORZV WUXH PHDVXUHPHQW RI FRPSOHWH UHIUDFWLYH HUURU E\ LQFOXGLQJ WKH H΍HFW RI posterior corneal curvature and surgically induced astigmatism for HDFK H\H ΖW SURYLGHV Ζ2/ VSKHUH F\OLQGHU DQG DOLJQPHQW VXJJHVWLRQV 25$Ƞ DOVR LQGLFDWHV WKH UHVLGXDO UHIUDFWLYH DIWHU Ζ2/ LQVHUWLRQ DQG DOORZV UHȴQHPHQW RI WRULF Ζ2/ D[LDO SODFHPHQW EHIRUH OHDYLQJ WKH RSHUDWLQJ URRP KLJKOLJKWHG 'U 9LODYXQ 3XDQJVULFKDUHUQ $ VWXG\ WKDW FRPSDUHG 25$Ƞ V\VWHP ZDYHIURQW DEHUURPHWHUV ZLWK VXUJHRQ EHVW SUHRSHUDWLYH FKRLFH WKH +DLJLV / DQG WKH 6KDPPDV Ζ2/ formulas in in eyes undergoing cataract surgery after prior myopic /$6Ζ. VKRZHG WKDW WKDW Ζ2/ SRZHU ZDV PRVW H΍HFWLYHO\ SUHGLFWHG E\ 25$Ƞ V\VWHP LQ 25$Ƞ JURXS KDG PHDQ DEVROXWH HUURU ZLWKLQ ' YV LQ FRQYHQWLRQDO PHWKRG JURXS 7KH PHDQ DEVROXWH HUURU ZDV ' LQ 25$Ƞ YV ' LQ FRQYHQWLRQDO PHWKRG Another VWXG\ FRPSDUHG WKH DFFXUDF\ RI 25$Ƞ YHUVXV SUH RSHUDWLYH ELRPHWU\ LQ SUHGLFWLQJ UHVLGXDO UHIUDFWLYH HUURU DIWHU FDWDUDFW VXUJHU\ LQ D[LDO P\RSLD 65. 7 +ROODGD\ $/ RSWLPL]HG +ROODGD\ +ROODGD\ %DUUHWW 8QLYHUVDO ΖΖ DQG +LOO 5%) IRUPXODV ZHUH XVHG IRU SUH RSHUDWLYH SUHGLFWLRQ RI UHVLGXDO UHIUDFWLYH HUURU 7KH VWXG\ VKRZHG WKDW 25$Ƞ ZDV DV H΍HFWLYH DV $/ RSWLPL]HG +ROODGD\ IRUPXOD DQG EHWWHU WKDQ all other formulas based on preoperative biometry in predicting residual refractive error and reducing hyperopic outcomes. 14 Achieving Target Refractive outcomes with ORA ® VerifEye+ Vilavun Puangsricharern 25$Ƞ V\VWHP ZLWK 9HULI(\H WHFKQRORJ\ IDFLOLWDWHV LQWUDRSHUDWLYH PHDVXUHPHQW DQG DQDO\VLV RI WKH UHIUDFWLYH SRZHU RI WKH H\H DQG SURYLGHV DVVXUDQFH WKURXJK HPSRZHUHG GHFLVLRQV ZKLFK KHOS VXUJHRQV WR LPSURYH UHIUDFWLYH RXWFRPHV DQG DYRLG UHIUDFWLYH VXUSULVHV 7KRXJK IHPWRVHFRQG ODVHU DVVLVWHG FDWDUDFW VXUJHU\ )/$&6 UHVXOWV in less deviation from target refraction, faster visual recovery, earlier VWDELOL]DWLRQ RI UHIUDFWLRQ DQG ORZHU LQFLGHQFH RI KLJKHU RUGHU aberrations, recent research has shown that femtosecond laser- FUHDWHG FOHDU FRUQHDO LQFLVLRQV &&ΖV GXULQJ FDWDUDFW VXUJHU\ ZHUH DVVRFLDWHG ZLWK PRUH VXUJLFDOO\ LQGXFHG DVWLJPDWLVP 6Ζ$ WKDQ PDQXDOO\ FUHDWHG &&ΖV 7KH 6Ζ$ GXULQJ IHPWRVHFRQG ODVHU FUHDWHG &&ΖV LV EHOLHYHG WR EH GXH LQDFFXUDWH RU XQFHUWDLQ FRUQHDO LQFLVLRQ positioning of the femtosecond machine. 18 7KLV LV ZKHUH /HQ6[ ® femtosecond laser platform comes in to action, DV LW LV GHVLJQHG WR LQFUHDVH WKH VDIHW\ DQG HɝFLHQF\ RI FDWDUDFW VXUJHU\ E\ R΍HULQJ HQKDQFHG DXWRPDWLRQ SUHFLVH DQG FXVWRPL]DEOH LQFLVLRQ DUFKLWHFWXUH DQG SUHFLVH FDSVXORWRPLHV 2QH RI WKH XQLTXH IHDWXUHV RI /HQ6[ ® LV WKH FXUYHG FRQWDFW OHQV SDWLHQW LQWHUIDFH 3Ζ as opposed to noncontact liquid optical interface in other laser platforms. 18 /HQ6[ ® allows the surgeon to choose the position and architecture of the corneal incisions, centration, diameter of the anterior capsulotomy and depth and type of fragmentation pattern. 18 )XUWKHUPRUH LQFLVLRQV ZLWK /HQ6[ ® are more consistent and closer WR WKH WDUJHW LQFLVLRQ JHRPHWU\ H[SODLQHG 3URI =KDR 3LQJ +H DOVR SURYLGHG VHYHUDO SUDFWLFDO WLSV RQ FUHDWLQJ VXFFHVVIXO &&ΖV ZLWK IHPWRVHFRQG ODVHU 7DEOH $UHFHQW /HQ6[ ® VRIWZDUHXSGDWHR΍HUVHQKDQFHG LQFLVLRQYLVXDOL]DWLRQ DQG HDVLHU LQFLVLRQ SODFHPHQW )XWXUH VRIWZDUH XSGDWH ZLWK SODQQLQJ IRU VZHSW VRXUFH RSWLFDO FRKHUHQFH WRPRJUDSK\ 2&7 WR DOORZ UHDO WLPH KLJK GHȴQLWLRQ LPDJHV DQG G\QDPLF GLVSOD\ RI LQFLVLRQ LV H[SHFWHG WR HOHYDWH WKH OHYHO RI SUHFLVLRQ LQ FDWDUDFW VXUJHU\ DGGHG Prof. Zhao Ping. Bringing Precision to a higher level with LenSx ® Zhao Ping Table 4: Tips to make successful CCIs 1. $GMXVW WKH LOOXPLQDWLRQ WR JHW EHWWHU UHFRJQLWLRQ RI OLPEXV 2. 8QGHUVWDQG WKH LQȵXHQFH RI VLGH FXW DQJOH 3. $YRLG GHFHQWHUHG VXFWLRQ GXULQJ GRFNLQJ 4. 8VH VKDUS LQVWUXPHQW WR RSHQ WKH LQFLVLRQ 5. ΖQ FDVH RI LQFRPSOHWH LQFLVLRQ XVH NHUDWRPH WR ȴQLVK WKH LQFLVLRQ 6. 3URWHFW WKH LQFLVLRQ DQG DYRLG GLVWRUWLRQ WR PLQLPL]H 6Ζ$ /HQ6[ ® IHPWRVHFRQG ODVHU IHDWXUHV HQKDQFHG FDSDELOLWLHV ZLWK PXOWL FXUYDWXUH SDWLHQW LQWHUIDFH DQG R΍HUV VXSHULRU SUHFLVLRQ ZLWK FOHDQ DQG FXVWRPL]DEOH LQFLVLRQV HQKDQFLQJ WKH VDIHW\ DQG HɝFLHQF\ RI FDWDUDFW VXUJHU\