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. 2022 Jul 20;17(7):e0271749. doi: 10.1371/journal.pone.0271749

Fig 9. Comparison of stress-strain relationships in normal and KC corneas.

Fig 9

Within similar levels of stress induced by physiological IOP, KC corneas have lower stiffness (smaller slopes, indicated by red lines) but experiences more drastic changes in stiffness when stress/IOP changes. Normal corneas have higher stiffness but smaller changes in stiffness when stress changes.