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Near eye tool for refractive assessment

  • US 8,783,871 B2
  • Filed: 04/22/2011
  • Issued: 07/22/2014
  • Est. Priority Date: 04/22/2010
  • Status: Active Grant
First Claim
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1. A process for assessing an optical system, said process comprising in combination:

  • controlling an electronic visual display to display patterns under at least some lenslets or pinholes in an array of lenslets or pinholes, which array is positioned so that light from the electronic visual display passes through the array and reaches the optical system,controlling the electronic visual display to change the patterns, as seen by the optical system, in accordance with control input,accepting input indicating that the patterns appear, to the optical system, to form a desired image, anddetermining, based on the input regarding apparent formation of the desired image, at least one refractive parameter of the optical system.

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