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Fig. 1 | Eye and Vision

Fig. 1

From: The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes

Fig. 1

Schematic diagram showing the measurement of ablation zone decentration using the tangential curvature (front) map acquired with the Pentacam HR. The edge of the ablation zone is manually outlined as indicated by decreased tangential curvature (the color change from yellow to red). The area within the fitted circle or ellipse is the ablation zone. Decentration is measured as the distance from the fitted ablation center (x, y) (white cross) to corneal vertex (0,0) (white dot) as referred to the scale at the bottom or on the left side of the map

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