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Binocular lens systems

  • US 6,537,317 B1
  • Filed: 05/03/2000
  • Issued: 03/25/2003
  • Est. Priority Date: 05/03/2000
  • Status: Expired due to Term
First Claim
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1. An ophthalmic lens system for improving the vision of a patient comprising:

  • a first intraocular lens for use with one eye of the patient said first lens having an optical axis and first, second and third optical zones arranged radially with respect to the optical axis, the second zone being intermediate the first and third zones.and having a greater add power than either of the first and third zones, the maximum add power of the first intraocular lens being no greater than about 1.75 diopters;

    a second intraocular lens for use with the other eye of the patient said second, lens having an optical axis and first, second and third optical zones arranged radially with respect to the optical axis of the second lens, the second zone of the second lens being intermediate the first and third zones of the second lens and having a greater add power than either of the first and third zones of the second lens, the first and third zones having an add power about an add power required for intermediate vision; and

    the first lens providing better visual acuity for objects at infinity than the second lens and the second lens providing better visual acuity from intermediate to near distance than the first lens.

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