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Representative epithelial thickness mapping image produced by Cirrus OCT (Carl Zeiss Meditec). (A) Corneal epithelial thickness is shown in 25 sectors (one within 0–2 mm diameter, eight within 2–5 mm diameter, eight within 5–7 mm diameter, and eight within 7–9 mm diameter). (B) Data from analysis software reports. OD = right eye; OS = left eye; S = superior; T = temporal; I = inferior; N = nasal; Min = minimum; Avg = average; Max = maximum.
