Partial thin layer multi-focus glasses

Partial thin layer multi-focus glasses

  • CN 101,387,762 A
  • Filed: 08/08/2008
  • Published: 03/18/2009
  • Est. Priority Date: 08/08/2008
  • Status: Active Application
First Claim
Patent Images

1. , a kind of partial thin layer multi-focus glasses is characterized in that:

  • do not have Jiao or single burnt its inside of main body lens (1) or surface local by a slice and adhere to the tag (2) that has focal power and thickness to be not more than 2mm more than a slice and form the focal power addition and get.

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