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    Keratoconus: Thinking outside the cone

    Cases highlight various scenarios ranging from highly complex to simple


    Figure 3. In certain selected cases (based on the Gulani-Nordan criteria), patients can undergo laser PRK for myopic astigmatism and be brought to emmetropic 20/20 outcomes. Topography might not always correlate with unaided visual endpoints. Thus, refraction is the starting point and unaided vision is the endpoint of such endeavors with safety and long-term follow-up a necessity. CXL can always be performed if needed.

    Figure 4

    Arun C. Gulani, MD
    Dr. Gulani is director of refractive surgery and chief, cornea & external disease, as well as assistant professor, department of ...

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