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Inaccuracy of intraocular pressure measurement in congenital corneal opacity: three case reports

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dc.contributor.authorKang, Byeong Soo-
dc.contributor.authorJeoung, Jin Wook-
dc.contributor.authorOh, Joo Youn-
dc.date.accessioned2020-04-01T07:33:58Z-
dc.date.available2020-04-01T16:35:02Z-
dc.date.issued2020-01-02-
dc.identifier.citationBMC Ophthalmology, 20(1):3ko_KR
dc.identifier.issn1471-2415-
dc.identifier.uri10.1186/s12886-019-1287-7-
dc.identifier.urihttps://hdl.handle.net/10371/164891-
dc.description.abstractBackground
To report three cases of congenital corneal opacity where intraocular pressure (IOP) readings were high despite the use of multiple anti-glaucoma eye drops and normalized after corneal transplantation.

Case presentation
Three Korean infants presented with bilateral dense stromal opacification which had been present since birth. IOPs measured by rebound tonometer were high despite administration of multiple anti-glaucoma medications. One eye of each patient underwent penetrating keratoplasty (PK) because corneal opacity impaired visual development. Immediately after PK, IOPs were normalized and maintained normal without medication, whereas they remained high in the contralateral unoperated eye. On histology, stromal fibrosis was observed in the removed corneal button, and molecular assays revealed increased levels of type 1 and 5 collagens.

Conclusion
The IOP measurement using the conventional applanation-based tonometry can be inaccurate in congenital corneal opacity which is marked by corneal fibrosis. Therefore, IOP values should be interpreted with caution in these patients, and the possibility of false-positive diagnosis of glaucoma considered.
ko_KR
dc.description.sponsorshipThis study was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and future Planning (NRF-2018R1A2B2004108). The funder supported funding for molecular assay for corneal collagens in this study.ko_KR
dc.language.isoenko_KR
dc.publisherBMCko_KR
dc.subjectApplanation-based tonometry-
dc.subjectCase report-
dc.subjectCongenital corneal opacity-
dc.subjectCongenital glaucoma-
dc.subjectIntraocular pressure-
dc.titleInaccuracy of intraocular pressure measurement in congenital corneal opacity: three case reportsko_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor강병수-
dc.contributor.AlternativeAuthor정진욱-
dc.contributor.AlternativeAuthor오주연-
dc.citation.journaltitleBMC Ophthalmologyko_KR
dc.language.rfc3066en-
dc.rights.holderThe Author(s).-
dc.date.updated2020-01-06T11:25:11Z-
dc.citation.number1ko_KR
dc.citation.startpage3ko_KR
dc.citation.volume20ko_KR
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College of Medicine/School of Medicine (의과대학/대학원)Ophthalmology (안과학전공)Journal Papers (저널논문_안과학전공)
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