Intraocular pressure after myopic laser refractive surgery measured with a new Goldmann convex prism : correlations with GAT and ORA

The purpose of this study is to describe measurements using a newly developed modified Goldmann convex tonometer (CT) 1 year after myopic laser refractive surgery. Intraocular pressure (IOP) measurements were compared with IOP values obtained by Goldmann applanation tonometer (GAT), and Ocular Respo...

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Hauptverfasser: Iglesias, María, Kudsieh, Bachar, Laiseca, Andrea, Pereira dos Santos, Cristina Maria, Nadal Reus, Jeroni, Barraquer, Rafael I. (Rafael Ignasi), Casaroli-Marano, Ricardo Pedro
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creator Iglesias, María
Kudsieh, Bachar
Laiseca, Andrea
Pereira dos Santos, Cristina Maria
Nadal Reus, Jeroni
Barraquer, Rafael I. (Rafael Ignasi)
Casaroli-Marano, Ricardo Pedro
description The purpose of this study is to describe measurements using a newly developed modified Goldmann convex tonometer (CT) 1 year after myopic laser refractive surgery. Intraocular pressure (IOP) measurements were compared with IOP values obtained by Goldmann applanation tonometer (GAT), and Ocular Response Analyzer (ORA). Prospective double-masked study performed on thirty eyes of thirty patients that underwent laser in situ keratomileusis (LASIK; n = 19) or photorefractive keratectomy (PRK; n = 11). IOP was measured before and 3 and 12 months after surgery. Intraclass correlation coefficient (ICC) and Bland-Altman plot were calculated to assess the agreement between GAT, CT, IOPg (Goldmann-correlated IOP) and IOPcc (corneal-compensated IOP) from ORA. Twelve months after LASIK, IOP measured with CT showed the best correlation with IOP measured with GAT before surgery (GATpre) (ICC = 0.886, 95% CI: 0.703-0.956) (15.60 ± 3.27 vs 15.80 ± 3.22; p < 0.000). However, a moderate correlation was found for IOP measured with IOPcc and CT 12 months after LASIK (ICC = 0.568, 95% CI: − 0.185 - 0.843) (15.80 ± 3.22 vs 12.87 ± 2.77; p < 0.004). Twelve months after PRK, CT showed a weak correlation (ICC = − 0.266, 95% CI: − 3.896 - 0.663), compared to GATpre (17.30 ± 3.47 vs 16.01 ± 1.45; p < 0.642), as well as poor correlation (ICC = 0.256, 95% CI: − 0.332 - 0.719) with IOPcc (17.30 ± 3.47 vs 13.38 ± 1.65; p < 0.182). Twelve months after LASIK, IOP measured with CT strongly correlated with GAT before surgery and could therefore provide an alternative method for measuring IOP after this surgery. More studies regarding this new convex prism are needed to assess its accuracy.
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Intraclass correlation coefficient (ICC) and Bland-Altman plot were calculated to assess the agreement between GAT, CT, IOPg (Goldmann-correlated IOP) and IOPcc (corneal-compensated IOP) from ORA. Twelve months after LASIK, IOP measured with CT showed the best correlation with IOP measured with GAT before surgery (GATpre) (ICC = 0.886, 95% CI: 0.703-0.956) (15.60 ± 3.27 vs 15.80 ± 3.22; p &lt; 0.000). However, a moderate correlation was found for IOP measured with IOPcc and CT 12 months after LASIK (ICC = 0.568, 95% CI: − 0.185 - 0.843) (15.80 ± 3.22 vs 12.87 ± 2.77; p &lt; 0.004). Twelve months after PRK, CT showed a weak correlation (ICC = − 0.266, 95% CI: − 3.896 - 0.663), compared to GATpre (17.30 ± 3.47 vs 16.01 ± 1.45; p &lt; 0.642), as well as poor correlation (ICC = 0.256, 95% CI: − 0.332 - 0.719) with IOPcc (17.30 ± 3.47 vs 13.38 ± 1.65; p &lt; 0.182). 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Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. https://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,26974</link.rule.ids><linktorsrc>$$Uhttps://recercat.cat/handle/2072/532274$$EView_record_in_Consorci_de_Serveis_Universitaris_de_Catalunya_(CSUC)$$FView_record_in_$$GConsorci_de_Serveis_Universitaris_de_Catalunya_(CSUC)$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Iglesias, María</creatorcontrib><creatorcontrib>Kudsieh, Bachar</creatorcontrib><creatorcontrib>Laiseca, Andrea</creatorcontrib><creatorcontrib>Pereira dos Santos, Cristina Maria</creatorcontrib><creatorcontrib>Nadal Reus, Jeroni</creatorcontrib><creatorcontrib>Barraquer, Rafael I. (Rafael Ignasi)</creatorcontrib><creatorcontrib>Casaroli-Marano, Ricardo Pedro</creatorcontrib><title>Intraocular pressure after myopic laser refractive surgery measured with a new Goldmann convex prism : correlations with GAT and ORA</title><description>The purpose of this study is to describe measurements using a newly developed modified Goldmann convex tonometer (CT) 1 year after myopic laser refractive surgery. Intraocular pressure (IOP) measurements were compared with IOP values obtained by Goldmann applanation tonometer (GAT), and Ocular Response Analyzer (ORA). Prospective double-masked study performed on thirty eyes of thirty patients that underwent laser in situ keratomileusis (LASIK; n = 19) or photorefractive keratectomy (PRK; n = 11). IOP was measured before and 3 and 12 months after surgery. Intraclass correlation coefficient (ICC) and Bland-Altman plot were calculated to assess the agreement between GAT, CT, IOPg (Goldmann-correlated IOP) and IOPcc (corneal-compensated IOP) from ORA. Twelve months after LASIK, IOP measured with CT showed the best correlation with IOP measured with GAT before surgery (GATpre) (ICC = 0.886, 95% CI: 0.703-0.956) (15.60 ± 3.27 vs 15.80 ± 3.22; p &lt; 0.000). However, a moderate correlation was found for IOP measured with IOPcc and CT 12 months after LASIK (ICC = 0.568, 95% CI: − 0.185 - 0.843) (15.80 ± 3.22 vs 12.87 ± 2.77; p &lt; 0.004). Twelve months after PRK, CT showed a weak correlation (ICC = − 0.266, 95% CI: − 3.896 - 0.663), compared to GATpre (17.30 ± 3.47 vs 16.01 ± 1.45; p &lt; 0.642), as well as poor correlation (ICC = 0.256, 95% CI: − 0.332 - 0.719) with IOPcc (17.30 ± 3.47 vs 13.38 ± 1.65; p &lt; 0.182). Twelve months after LASIK, IOP measured with CT strongly correlated with GAT before surgery and could therefore provide an alternative method for measuring IOP after this surgery. More studies regarding this new convex prism are needed to assess its accuracy.</description><subject>Corneal biomechanics</subject><subject>Glaucoma</subject><subject>Intraocular pressure</subject><subject>LASIK</subject><subject>Myopia</subject><subject>PRK</subject><subject>Tonometry</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>XX2</sourceid><recordid>eNqdjL0KwkAQhNNYiPoO-wKCXhTBLohGK0HSh-Wy0YP7CXuXxPQ-uBcU7C2G4YNvZpq8LjYwOtlqZGiYvG-ZAOtADGZwjZKg0UdgqhllUB1BVO7EAxjC0a6gV-EBCJZ6yJ2uDFoL0tmOnvFSeQP7iMykMShn_cfPswLQVnC9ZfNkUqP2tPj2LFmfjsXhvJS-lSWTJJYYSofqB2PEaifKbSrEbpP-s3kDcstXpw</recordid><startdate>2022</startdate><enddate>2022</enddate><creator>Iglesias, María</creator><creator>Kudsieh, Bachar</creator><creator>Laiseca, Andrea</creator><creator>Pereira dos Santos, Cristina Maria</creator><creator>Nadal Reus, Jeroni</creator><creator>Barraquer, Rafael I. 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Twelve months after PRK, CT showed a weak correlation (ICC = − 0.266, 95% CI: − 3.896 - 0.663), compared to GATpre (17.30 ± 3.47 vs 16.01 ± 1.45; p &lt; 0.642), as well as poor correlation (ICC = 0.256, 95% CI: − 0.332 - 0.719) with IOPcc (17.30 ± 3.47 vs 13.38 ± 1.65; p &lt; 0.182). Twelve months after LASIK, IOP measured with CT strongly correlated with GAT before surgery and could therefore provide an alternative method for measuring IOP after this surgery. More studies regarding this new convex prism are needed to assess its accuracy.</abstract><oa>free_for_read</oa></addata></record>
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subjects Corneal biomechanics
Glaucoma
Intraocular pressure
LASIK
Myopia
PRK
Tonometry
title Intraocular pressure after myopic laser refractive surgery measured with a new Goldmann convex prism : correlations with GAT and ORA
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