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Apparatus for the treatment and/or prevention of corneal diseases

  • US 10,182,941 B2
  • Filed: 04/23/2012
  • Issued: 01/22/2019
  • Est. Priority Date: 04/29/2011
  • Status: Active Grant
First Claim
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1. An apparatus for the treatment and/or prevention of corneal diseases, the apparatus comprising:

  • an applicator head, the applicator head comprising a radiation source configured to emit a first radiation capable of exciting a non-toxic therapeutic substance applied to a cornea; and

    a control operable to activate the radiation source to radiate the first radiation;

    wherein the applicator head further comprises a fluorescence sensor configured to obtain a measurement result by measuring a fluorescent radiation emitted by the non-toxic therapeutic substance upon irradiation by the first radiation, the fluorescent radiation having a spectral composition different from a spectral composition of the first radiation,wherein the control is configured to use the measurement result from the fluorescence sensor;

    to evaluate whether the applicator head is within a predetermined distance from the cornea,to evaluate whether a predetermined amount of the non-toxic therapeutic substance is present on the cornea, andto activate the radiation source to further radiate only when the measurement result indicates that the applicator head is within the predetermined distance from the cornea and that the predetermined amount of the non-toxic therapeutic substance is present on the cornea.

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