The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy

Gabriel Katz,1,2,* Fidaa el Zhalka,3,* Ronel Veksler,1 Anfisa Ayalon,3 Elad Moisseiev2,3 1Department of Ophthalmology, Sheba Medical Center, Ramat Gan, Israel; 2Sackler School of Medicine, TelAviv University, TelAviv, Israel; 3Department of Ophthalmology, Meir Medical Center, Kfar Saba, Israel*These...

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Autores principales: Katz G, el Zhalka F, Veksler R, Ayalon A, Moisseiev E
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Publicado: Dove Medical Press 2021
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spelling oai:doaj.org-article:1fd42978d6414a8ba020467e36c1873c2021-12-02T17:17:11ZThe Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy1177-5483https://doaj.org/article/1fd42978d6414a8ba020467e36c1873c2021-05-01T00:00:00Zhttps://www.dovepress.com/the-role-of-anterior-chamber-depth-on-post-operative-refractive-error--peer-reviewed-fulltext-article-OPTHhttps://doaj.org/toc/1177-5483Gabriel Katz,1,2,* Fidaa el Zhalka,3,* Ronel Veksler,1 Anfisa Ayalon,3 Elad Moisseiev2,3 1Department of Ophthalmology, Sheba Medical Center, Ramat Gan, Israel; 2Sackler School of Medicine, TelAviv University, TelAviv, Israel; 3Department of Ophthalmology, Meir Medical Center, Kfar Saba, Israel*These authors contributed equally to this workCorrespondence: Elad MoisseievDepartment of Ophthalmology, Meir Medical Center, 59 Tshernichovsky St., Kfar Saba, 4428164, IsraelTel +97297471527Fax +97297472427Email elad_moi@netvision.net.ilPurpose: To investigate the effect of phacovitrectomy on the post-operative anterior chamber depth (ACD) and refractive outcomes, and to analyze the potential differences between vitreous filling with BSS, air and gas.Methods: Patients who underwent phacovitrectomy were included in this study and invited for repeated post-operative examination including refraction and biometry at least 3 months after the surgery. Data retrieved included demographic information, indication for phacovitrectomy, surgical details, type of vitreous filling (BSS, air or gas), pre-operative and post-operative biometric data including K-readings, axial length (AL), and ACD, as well as spherical equivalent (SE) values of the target and final refraction.Results: Forty-three eyes of 43 patients were included in this study, including 10 eyes filled with BSS, 18 with air and 15 with gas. The mean difference between the final measured spherical equivalent (SE) and the SE of the intended target refraction was 0.61± 0.68 D (p = 0.019). Only 58.1% of eyes had a final SE within ± 0.5D of the target refraction. Following surgery, AL remained unchanged, while mean pre-operative ACD increased significantly from 3.11± 0.34 mm to 4.77± 0.47 mm (p < 0.001). There was no difference in refractive error between the vitreous fillings and no correlation with AL or ACD.Conclusions: Phacovitrectomy is associated with lower accuracy of post-operative refraction compared to cataract surgery. This may be attributed to a significant change in ACD, influencing the effective lens position of the IOL, and may require adjustment of the pre-operative calculations.Keywords: anterior chamber depth, ACD, phacovitrectomy, refractive error, tamponadeKatz Gel Zhalka FVeksler RAyalon AMoisseiev EDove Medical Pressarticleanterior chamber depthphaco-vitrectomyrefractive errortamponade.OphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 15, Pp 2111-2115 (2021)
institution DOAJ
collection DOAJ
language EN
topic anterior chamber depth
phaco-vitrectomy
refractive error
tamponade.
Ophthalmology
RE1-994
spellingShingle anterior chamber depth
phaco-vitrectomy
refractive error
tamponade.
Ophthalmology
RE1-994
Katz G
el Zhalka F
Veksler R
Ayalon A
Moisseiev E
The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy
description Gabriel Katz,1,2,* Fidaa el Zhalka,3,* Ronel Veksler,1 Anfisa Ayalon,3 Elad Moisseiev2,3 1Department of Ophthalmology, Sheba Medical Center, Ramat Gan, Israel; 2Sackler School of Medicine, TelAviv University, TelAviv, Israel; 3Department of Ophthalmology, Meir Medical Center, Kfar Saba, Israel*These authors contributed equally to this workCorrespondence: Elad MoisseievDepartment of Ophthalmology, Meir Medical Center, 59 Tshernichovsky St., Kfar Saba, 4428164, IsraelTel +97297471527Fax +97297472427Email elad_moi@netvision.net.ilPurpose: To investigate the effect of phacovitrectomy on the post-operative anterior chamber depth (ACD) and refractive outcomes, and to analyze the potential differences between vitreous filling with BSS, air and gas.Methods: Patients who underwent phacovitrectomy were included in this study and invited for repeated post-operative examination including refraction and biometry at least 3 months after the surgery. Data retrieved included demographic information, indication for phacovitrectomy, surgical details, type of vitreous filling (BSS, air or gas), pre-operative and post-operative biometric data including K-readings, axial length (AL), and ACD, as well as spherical equivalent (SE) values of the target and final refraction.Results: Forty-three eyes of 43 patients were included in this study, including 10 eyes filled with BSS, 18 with air and 15 with gas. The mean difference between the final measured spherical equivalent (SE) and the SE of the intended target refraction was 0.61± 0.68 D (p = 0.019). Only 58.1% of eyes had a final SE within ± 0.5D of the target refraction. Following surgery, AL remained unchanged, while mean pre-operative ACD increased significantly from 3.11± 0.34 mm to 4.77± 0.47 mm (p < 0.001). There was no difference in refractive error between the vitreous fillings and no correlation with AL or ACD.Conclusions: Phacovitrectomy is associated with lower accuracy of post-operative refraction compared to cataract surgery. This may be attributed to a significant change in ACD, influencing the effective lens position of the IOL, and may require adjustment of the pre-operative calculations.Keywords: anterior chamber depth, ACD, phacovitrectomy, refractive error, tamponade
format article
author Katz G
el Zhalka F
Veksler R
Ayalon A
Moisseiev E
author_facet Katz G
el Zhalka F
Veksler R
Ayalon A
Moisseiev E
author_sort Katz G
title The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy
title_short The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy
title_full The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy
title_fullStr The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy
title_full_unstemmed The Role of Anterior Chamber Depth on Post-operative Refractive Error After Phacovitrectomy
title_sort role of anterior chamber depth on post-operative refractive error after phacovitrectomy
publisher Dove Medical Press
publishDate 2021
url https://doaj.org/article/1fd42978d6414a8ba020467e36c1873c
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