Effect of Cataract Grade according to Wide-Field Fundus Images on Measurement of Macular Thickness in Cataract Patients
DC Field | Value | Language |
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dc.contributor.author | 김민구 | - |
dc.contributor.author | 엄영섭 | - |
dc.contributor.author | 송종석 | - |
dc.contributor.author | 김효명 | - |
dc.date.accessioned | 2021-09-02T18:19:39Z | - |
dc.date.available | 2021-09-02T18:19:39Z | - |
dc.date.created | 2021-06-17 | - |
dc.date.issued | 2018 | - |
dc.identifier.issn | 1011-8942 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/79224 | - |
dc.description.abstract | Purpose: To investigate the effects of cataract grade based on wide-field fundus imaging on macular thickness measured by spectral domain optical coherence tomography (SD-OCT) and its signal-to-noise ratio (SNR). Methods: Two hundred cataract patients (200 eyes) with preoperative measurements by wide-field fundus imaging and macular SD-OCT were enrolled. Cataract severity was graded from 1 to 4 according to the degree of macular obscuring by cataract artifact in fundus photo images. Cataract grade based on wide-field fundus image, the Lens Opacity Classification System III, macular thickness, and SD-OCT SNR were compared. All SD-OCT B-scan images were evaluated to detect errors in retinal layer segmentation. Results: Cataract grade based on wide-field fundus imaging was positively correlated with grade of posterior subcapsular cataracts (rho = 0.486, p < 0.001), but not with nuclear opalescence or cortical cataract using the Lens Opacity Classification System III. Cataract grade was negatively correlated with total macular thickness (rho = -0.509, p < 0.001) and SD-OCT SNR (rho = -0.568, p < 0.001). SD-OCT SNR was positively correlated with total macular thickness (rho = 0.571, p < 0.001). Of 200 eyes, 97 (48.5%) had segmentation errors on SD-OCT. As cataract grade increased and SD-OCT SNR decreased, the percentage of eyes with segmentation errors on SD-OCT increased. All measurements of macular thickness in eyes without segmentation errors were significantly greater than those of eyes with segmentation errors. Conclusions: Posterior subcapsular cataracts had profound effects on cataract grade based on wide-field fundus imaging. As cataract grade based on wide-field fundus image increased, macular thickness tended to be underestimated due to segmentation errors in SD-OCT images. Segmentation errors in SD-OCT should be considered when evaluating macular thickness in eyes with cataracts. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | 대한안과학회 | - |
dc.title | Effect of Cataract Grade according to Wide-Field Fundus Images on Measurement of Macular Thickness in Cataract Patients | - |
dc.title.alternative | Effect of Cataract Grade according to Wide-Field Fundus Images on Measurement of Macular Thickness in Cataract Patients | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | 엄영섭 | - |
dc.identifier.doi | 10.3341/kjo.2017.0067 | - |
dc.identifier.bibliographicCitation | Korean Journal of Ophthalmology, v.32, no.3, pp.172 - 181 | - |
dc.relation.isPartOf | Korean Journal of Ophthalmology | - |
dc.citation.title | Korean Journal of Ophthalmology | - |
dc.citation.volume | 32 | - |
dc.citation.number | 3 | - |
dc.citation.startPage | 172 | - |
dc.citation.endPage | 181 | - |
dc.type.rims | ART | - |
dc.identifier.kciid | ART002352527 | - |
dc.description.journalClass | 2 | - |
dc.description.journalRegisteredClass | kci | - |
dc.subject.keywordAuthor | Cataract | - |
dc.subject.keywordAuthor | Fundus oculi | - |
dc.subject.keywordAuthor | Optical coherence tomography | - |
dc.subject.keywordAuthor | Signal-to-noise ratio | - |
dc.subject.keywordAuthor | Wide-filed fundus images | - |
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