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Apparatus for signal transmission and detection using a contact device for physical measurement on the eye

  • US 6,213,943 B1
  • Filed: 05/22/2000
  • Issued: 04/10/2001
  • Est. Priority Date: 09/04/1996
  • Status: Expired due to Term
First Claim
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1. A device for placement in contact with a cornea and for applanating or indenting the cornea, said device comprising:

  • a member having an inner concave surface shaped to match an outer surface of the cornea and having an opening defined in at least said inner concave surface;

    a movable piece slidably disposed within said opening for deforming a portion of the cornea when the device is located on the cornea; and

    a flexible membrane secured to said inner concave surface of the member, said flexible membrane having at least one transparent area.

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