Journal of Ophthalmology / 2017 / Article / Fig 2

Clinical Study

Long-Term Follow-Up of Intrastromal Corneal Ring Segments in Paracentral Keratoconus with Coincident Corneal Keratometric, Comatic, and Refractive Axes: Stability of the Procedure

Figure 2

Uncorrected visual acuity (UDVA) and corrected distance visual acuity (CDVA) before ICRS and over the postoperative period for the whole sample and for group I (younger patients) and group II (older patients).

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