AI Article Synopsis
- The study explored how dehydration affects corneal thickness using online optical coherence pachymetry (OCP) for continuous measurements.
- After examining 12 eyes over 5 minutes, results showed a significant decrease in central corneal thickness from an initial average of 538 micrometers to 483 micrometers.
- The findings indicate that online OCP is effective for tracking corneal changes due to dehydration, which is important to consider in refractive eye surgeries.
Article Abstract
Purpose: Online optical coherence pachymetry (online OCP) allows continuous central corneal thickness measurements over time. In this study, the effect of dehydration on corneal tissue was investigated with online OCP.
Methods: Twelve eyes of 11 patients were examined with online OCP, and the central corneal thickness was registered over 5 minutes after insertion of an eyelid speculum.
Results: Online OCP measurements revealed no decrease in reproducibility after 5 minutes of dehydration. The initial mean central corneal thickness was 538 +/- 48 microm. After 5 minutes the central corneal thickness decreased to 483 +/- 43 microm (P = 0.001). This corresponded to a mean corneal thinning of 55 +/- 4 microm (10.2%) at a rate of 0.19 microm/s.
Conclusions: Online OCP was suitable for continuous measurements of corneal changes caused by dehydration. These dehydration effects should be particularly considered in refractive corneal surgery.
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| http://dx.doi.org/10.1097/01.ico.0000176610.50461.77 | DOI Listing |
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