Semiconductor contact lens cooling system and technique for light-mediated eye therapies
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United States of America Patent
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Aug 8, 2000
Issued Date -
N/A
app pub date -
Jul 3, 1998
filing date -
May 26, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An active form of heat sink contact lens device that utilizes a series of semiconductor Peltier paired elements operatively connected to a direct current power controller and power source for (i) pre-cooling the cornea before an optothermal treatment of the cornea, (ii) to cool the cornea rapidly following an optothermal treatment of the cornea, or (iii) to dynamically cool the anterior surface of the cornea during an optothermal treatment of the cornea based on temperature feedback from temperature sensors in the contact lens device. The sphero-concave lens with a medial portion of thermally conductive transparent material to allow the transmission of light beams which is formed to contact a patient's cornea. The perimeter portion of the lens also sphero-concave with a radius of curvature adapted to contact the sclera. In general, the semiconductor paired Peltier elements are carried in the perimeter portion of the contact lens device.
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