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  • Q&A with Australian Health Practitioners

    How is keratoconus diagnosed?

    • 1 answer
    • Dom Willson
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  • Dom Willson

    Optometrist

    Dom Willson is the founder and co-owner of Custom Eyecare, established in 1999. Dom Willson has over 25 years experience as an optometrist. He has … View Profile

    Keratoconus may be suspected when a person usually in their teens or 20s with previously good vision starts to experience specific type of vision changes which progress over time. Once  suspected, further investigations to confirm the diagnosis of keratoconus may include retinoscopy, slit lamp biomicroscopy, and pachymetry (corneal thickness measurement). 

    However the most accurate way to diagnose keratoconus is using corneal topography mapping. In this technique, a corneal topographer takes 3D images of the cornea (the clear front “window” of the eye) and the images are assessed for the distinctive cone shape seen in keratoconus.

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