Change of Optical Intensity during Healing Process of Corneal Wound on Anterior Segment Optical Coherence Tomography
Web of Science
AuthorZheng, K; Huang, H; Peng, K; Cai, J; Jhanji, V; Chen, H
Source TitleScientific Reports
PublisherNATURE PUBLISHING GROUP
University of Melbourne Author/sJhanji, Vishal
AffiliationOphthalmology (Eye & Ear Hospital)
Document TypeJournal Article
CitationsZheng, K., Huang, H., Peng, K., Cai, J., Jhanji, V. & Chen, H. (2016). Change of Optical Intensity during Healing Process of Corneal Wound on Anterior Segment Optical Coherence Tomography. SCIENTIFIC REPORTS, 6 (1), https://doi.org/10.1038/srep32352.
Access StatusOpen Access
The purpose of this study is to investigate the process of corneal wound healing after penetrating injury with the change in optical intensity on anterior segment optical coherence tomography (AS-OCT) and to investigate factors associated with severity of corneal scar. Forty-seven eyes from 47 patients with repaired corneal laceration were included. AS-OCT was performed on 1day, 1week, 1, 3 and 6 months after primary repair. Internal aberrations of wound edges were observed on AS-OCT images. Parameters including height of steps, width of gaps, maximal corneal thickness, area and optical intensity of corneal wound/scar were measured. The relationship between the parameters at day 1 and the optical intensity at 6 months were analyzed. The results showed that optical intensity of corneal wound/scar increased from 124.1 ± 18.8 on day 1 postoperatively to 129.3 ± 18.7, 134.2 ± 23.4, 139.7 ± 26.5, 148.2 ± 26.4 at 1 week, 1 month, 3 months and 6 months postoperatively. Height of steps at 1 day after surgery was the only factor identified as correlated with optical intensity of corneal scar at 6 months (beta = 0.34, p = 0.024). The increase of optical intensity represents the process of fibrosis of corneal wound healing. Higher step after suturing is associated with more severity of corneal scar at last.
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