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Multi-spot laser surgical apparatus and method

  • US 7,090,670 B2
  • Filed: 12/31/2003
  • Issued: 08/15/2006
  • Est. Priority Date: 12/31/2003
  • Status: Expired due to Fees
First Claim
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1. A light treatment apparatus for generating a pattern of spots over a treatment area, comprising:

  • an optical module for generating an array of light beams, wherein the array is elongated along a sub-scan direction that is transverse to a main scan direction;

    a sub-scan module coupled to the optical module for dithering the array of light beams in the sub-scan direction;

    wherein, for a sweep of the array along the main scan direction, a travel of the array in the sub-scan direction is not more than the length of the array in the sub-scan direction;

    a main scan sensor for sensing sweeping of the array along the main scan direction; and

    a controller coupled to the sub-scan module and the main scan sensor, for controlling dithering of the array in response to the sensed sweeping of the array along the main scan direction.

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