Table 1.
Characteristics of study participants.
Fig 1.
Comparison of corneal thickness assessment between Pentacam and ASOCT in patients with Dry Eye Disease.
(A) The central corneal thickness and (B) the thinnest points of the cornea were compared between Pentacam and ASOCT according to the subgroups. Data are considered statistically significant at ***P < 0.001. DED: dry eye disease, ASOCT: anterior segment optical coherence tomography.
Fig 2.
Bland–Altman plot for central corneal thickness and thinnest point of the cornea for Pentacam and ASOCT.
The x-axis indicates the average of the thickness between the Pentacam and ASOCT measurements, and the y-axis indicates the difference between Pentacam and ASOCT (Pentacam-ASOCT). The central line indicates the mean difference (bias) between the normalized thickness from the two devices, whereas the superior and inferior lines depict the intervals that include 95.6% of all differences. (A)–(C) show the bias for CCT and (D)–(E) for TCT. ASOCT: anterior segment optical coherence tomography, CCT: central corneal thickness, TCT: thinnest corneal thickness.
Table 2.
Correlation coefficients between the Pentacam and ASOCT measurements for CCT and TCT per Group.
Table 3.
Adjusted CCT and TCT differences between Pentacam and ASOCT.
Fig 3.
Location of the thinnest point of the cornea as measured by Pentacam and ASOCT.
The location of the thinnest point of the cornea was mapped from its quadrant location using Pentacam and ASOCT based on the (A) non-DED group, (B) mild-DED group, and (C) severe-DED group. DED: dry eye disease, ASOCT: anterior segment optical coherence tomography.