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L10 Lens Design II - Coggle Diagram

- - - - hyperopes need multifocal before myopes
      - myopes troubles w CL
      - hyperopes w CL postpone need for near correction
      - myopes trouble w reading after ref surg
- - - - flat top
      - franklin (exec) style
      - E/D
    - - +1.5D or less can focus int
      - 65 yo or older/can't accom
  - - - curve-top
      - panoptik
      - flat-top seg
      - franklin (b-seg)
      - round seg
      - exec-style (r-seg)
  - - - upcurved bifocal
    - - glass only
      - double seg w flat top trifocal
- - - - dist lens Rx power
      - dist from lens to principal plane
      - near viewing dist