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6692126 |
Method and apparatus for measuring a corneal profile of an eye
One or more embodiments of the present invention provide a method and apparatus to determine a corneal thickness profile of an eye. In particular, one embodiment of the present invention is a...
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6520958 |
System and methods for imaging corneal profiles
Systems, methods and apparatus for generating images of portions of the patient's eye, such as the anterior surface of the cornea. The methods and apparatus of the present invention are...
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6302876 |
Systems and methods for imaging corneal profiles
Systems, methods and apparatus for generating images of portions of the patient's eye, such as the anterior surface of the cornea. The methods and apparatus of the present invention are...
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6299306 |
Method and apparatus for positioning subjects using a holographic optical element
A system and method of positioning an eye of a subject at a selected point in space uses a holographic optical element containing indicia. The indicia are selectively visible to a user when the...
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6257723 |
Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements
In an inventive method for mapping the topography of an eye, elevation measurements of the eye are collected using a slit beam diffuse reflection system, such as an ORBSCAN™ device. An...
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6120150 |
Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements
In an inventive method for mapping the topography of an eye, elevation measurements of the eye are collected using a slit beam diffuse reflection system, such as an ORBSCAN™ device. An...
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6079831 |
Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements
In an inventive method for mapping the topography of an eye, elevation measurements of the eye are collected using a slit beam diffuse reflection system, such as an ORBSCAN™ device. An...
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5864383 |
Single-curvature placido plate
An apparatus for analyzing a subject's cornea includes a frame having first and second ends, a single curvature (i.e. non-planar and non-axisymmetrical) screen associated with the first end of the...
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