Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system
Hung-Yuan Lin,1–3 Ya-Jung Chuang,4 Pi-Jung Lin,5 Yi-Ju Ho6 1Universal Eye Center, Zhong-Li, Taiwan, Republic of China; 2Department of Optometry, Central Taiwan University of Science and Technology, Taichung City, Taiwan, Republic of China; 3Ophthalmology Department, Shanghai Ruidong Hospi...
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Dove Medical Press
2019
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oai:doaj.org-article:bd2521965d944f46a9d3ed6955dccfc62021-12-02T09:11:05ZNovel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system1177-5483https://doaj.org/article/bd2521965d944f46a9d3ed6955dccfc62019-02-01T00:00:00Zhttps://www.dovepress.com/novel-method-for-preventing-cyclorotation-in-ziemer-femto-ldv-z8-femto-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Hung-Yuan Lin,1–3 Ya-Jung Chuang,4 Pi-Jung Lin,5 Yi-Ju Ho6 1Universal Eye Center, Zhong-Li, Taiwan, Republic of China; 2Department of Optometry, Central Taiwan University of Science and Technology, Taichung City, Taiwan, Republic of China; 3Ophthalmology Department, Shanghai Ruidong Hospital, Shanghai, China; 4Universal Eye Center, Long-Tan, Taiwan, Republic of China; 5Universal Eye Center, Taipei, Taiwan, Republic of China; 6Department of Ophthalmology, Chang Gung Memorial Hospital, Chiayi, Taiwan, Republic of China Purpose: To investigate the feasibility of a new method involving the use of the Verion image-guided system in preventing cyclorotation during femtosecond laser-assisted cataract surgery (FLACS). Patients: Our preliminary data included details of 24 consecutive patients. All patients underwent cataract surgery at Universal Eye Center, Zhong-Li, Taiwan, between December 2016 and January 2017. Methods: We developed a technique to use the Verion image-guided system in FLACS and evaluated whether this new technique is compatible with Femto LDV Z8. The Verion image-guided system was used to prevent misalignments. The only additional step in this technique is using a marking tool to place ink on the corneal limbus (at 3 and 9 o’clock positions) guided by the Verion digital marker system. Remaining procedures could be performed using the touchscreen of Femto LDV Z8 to calibrate the horizontal reference axis. Results: This study included 24 patients who underwent cataract surgery. The technique used could effectively neutralize misalignments at an average of 8.08° and 2.66° in clockwise and counterclockwise directions, respectively. Conclusion: This technique combines the advantages of iris fingerprinting technology and mobile features of Femto LDV Z8, has fewer transfer steps, improves centration of the eyes, and, most importantly, can prevent misalignments through cyclotorsion or docking procedures. Furthermore, this method can improve the accuracy of arcuate incisions and toric intraocular lens alignment in astigmatism correction. Keywords: cyclotorsion, astigmatism, alignment, fingerprint technology, toricLin HYChuang YJLin PJHo YJDove Medical PressarticlePreventing misalignmentFemtosecond laser-assisted cataract surgeryimage-guided systemcyclotorsionFEMTO LDV Z8VERIONOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 13, Pp 415-419 (2019) |
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DOAJ |
| collection |
DOAJ |
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EN |
| topic |
Preventing misalignment Femtosecond laser-assisted cataract surgery image-guided system cyclotorsion FEMTO LDV Z8 VERION Ophthalmology RE1-994 |
| spellingShingle |
Preventing misalignment Femtosecond laser-assisted cataract surgery image-guided system cyclotorsion FEMTO LDV Z8 VERION Ophthalmology RE1-994 Lin HY Chuang YJ Lin PJ Ho YJ Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system |
| description |
Hung-Yuan Lin,1–3 Ya-Jung Chuang,4 Pi-Jung Lin,5 Yi-Ju Ho6 1Universal Eye Center, Zhong-Li, Taiwan, Republic of China; 2Department of Optometry, Central Taiwan University of Science and Technology, Taichung City, Taiwan, Republic of China; 3Ophthalmology Department, Shanghai Ruidong Hospital, Shanghai, China; 4Universal Eye Center, Long-Tan, Taiwan, Republic of China; 5Universal Eye Center, Taipei, Taiwan, Republic of China; 6Department of Ophthalmology, Chang Gung Memorial Hospital, Chiayi, Taiwan, Republic of China Purpose: To investigate the feasibility of a new method involving the use of the Verion image-guided system in preventing cyclorotation during femtosecond laser-assisted cataract surgery (FLACS). Patients: Our preliminary data included details of 24 consecutive patients. All patients underwent cataract surgery at Universal Eye Center, Zhong-Li, Taiwan, between December 2016 and January 2017. Methods: We developed a technique to use the Verion image-guided system in FLACS and evaluated whether this new technique is compatible with Femto LDV Z8. The Verion image-guided system was used to prevent misalignments. The only additional step in this technique is using a marking tool to place ink on the corneal limbus (at 3 and 9 o’clock positions) guided by the Verion digital marker system. Remaining procedures could be performed using the touchscreen of Femto LDV Z8 to calibrate the horizontal reference axis. Results: This study included 24 patients who underwent cataract surgery. The technique used could effectively neutralize misalignments at an average of 8.08° and 2.66° in clockwise and counterclockwise directions, respectively. Conclusion: This technique combines the advantages of iris fingerprinting technology and mobile features of Femto LDV Z8, has fewer transfer steps, improves centration of the eyes, and, most importantly, can prevent misalignments through cyclotorsion or docking procedures. Furthermore, this method can improve the accuracy of arcuate incisions and toric intraocular lens alignment in astigmatism correction. Keywords: cyclotorsion, astigmatism, alignment, fingerprint technology, toric |
| format |
article |
| author |
Lin HY Chuang YJ Lin PJ Ho YJ |
| author_facet |
Lin HY Chuang YJ Lin PJ Ho YJ |
| author_sort |
Lin HY |
| title |
Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system |
| title_short |
Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system |
| title_full |
Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system |
| title_fullStr |
Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system |
| title_full_unstemmed |
Novel method for preventing cyclorotation in Ziemer Femto LDV Z8 femtosecond laser-assisted cataract surgery with Verion image-guided system |
| title_sort |
novel method for preventing cyclorotation in ziemer femto ldv z8 femtosecond laser-assisted cataract surgery with verion image-guided system |
| publisher |
Dove Medical Press |
| publishDate |
2019 |
| url |
https://doaj.org/article/bd2521965d944f46a9d3ed6955dccfc6 |
| work_keys_str_mv |
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| _version_ |
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