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Deformable spectacle lenses

E S Pateras1, C W Fowler, A B Chandrinos

  • 1Vision Sciences Department, Aston University, Birmingham, UK.

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|January 1, 1993
PubMed
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Researchers explored an innovative liquid-filled deformable lens as an alternative to traditional multifocal lenses. This novel approach offers a different method for achieving progressive power in vision correction.

Area of Science:

  • Ophthalmology
  • Optics
  • Biomedical Engineering

Background:

  • Current progressive power multifocal lenses utilize a single aspheric surface.
  • This design results in a continuous variation of lens power across the lens aperture.
  • Existing designs are widely commercially available but share a common design principle.

Purpose of the Study:

  • To investigate an alternative design concept for progressive power multifocal lenses.
  • To explore the feasibility of using a liquid-filled deformable lens for vision correction.

Main Methods:

  • An experimental approach was employed using a liquid-filled deformable lens.
  • The variation in optical power was achieved by deforming the liquid-filled lens.

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Main Results:

  • The study successfully demonstrated the concept of a liquid-filled deformable lens.
  • This design offers a fundamentally different mechanism for achieving progressive power compared to conventional lenses.

Conclusions:

  • A liquid-filled deformable lens presents a viable alternative to current multifocal lens designs.
  • Further research may lead to new advancements in vision correction technology.