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Y. Feng, T. L. Simpson; Comparison of Human Corneal, Limbal and Bulbar Conjunctival Epithelial Thickness in vivo Using Optical Coherence Tomography. Invest. Ophthalmol. Vis. Sci. 2007;48(13):3872.
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© ARVO (1962-2015); The Authors (2016-present)
To compare human central corneal, limbal and bulbar conjunctival epithelial thickness in vivo using Optical Coherence Tomography
Thirteen subjects participated in this experiment. Two OCT images were taken from central cornea, temporal limbus and bulbar conjunctiva of left eye. Of 100 serial scans of each image, the central 30 scans were analysed.
The temporal limbal epithelium is the thickest (79.6 ± 7.4µm, mean ± SD) among the three locations and bulbar conjunctival epithelium is the thinnest (44.9 ± 3.4). The central corneal epithelium is in between (54.7 ± 1.9) in terms of thickness. All of the differences are statistically significant (all p < 0.01).
Optical coherence tomography is a valuable tool for quantifying corneal, limbal and in particular bulbar conjunctival epithelium in vivo.
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