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Positive “ice-on-eyes” test in Miller Fisher syndrome
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    "Ice-on-eyes" test

    Dear Editor

    Further to previous articles on the "ice-on-eyes" test or ice-pack test in myasthenia gravis,1,2 a prior report pooling six studies adjudged to have sufficient clinical and experimental detail (n = 76 patients with myasthenia gravis, n = 77 non-myasthenic patients with ptosis), rather than just the two studies alluded to by Reddy & Backhouse,1 gave a test sensitivity of 89% and specificity of 100%....

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    None declared.

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