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Liquid crystal lens review.

C W Fowler1, E S Pateras

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

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|April 1, 1990
PubMed
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Liquid crystal lenses offer a promising future for presbyopic correction by utilizing their variable refractive index. This technology addresses the challenges of presbyopia by adjusting optical properties with electric or magnetic fields.

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Presbyopia, a common age-related condition, necessitates corrective lenses.
  • Traditional spectacle lenses for presbyopia have limitations.

Purpose of the Study:

  • To review the evolution, preparation, and operation of liquid crystal lenses for presbyopic correction.
  • To discuss current challenges and potential solutions for liquid crystal lens technology.

Main Methods:

  • Literature review of liquid crystal lens technology.
  • Analysis of optical anisotropy in liquid crystals.
  • Examination of electric and magnetic field applications.

Main Results:

  • Liquid crystal lenses exhibit a variable refractive index due to optical anisotropy.

Related Experiment Videos

  • Electric or magnetic fields can modulate the refractive index for presbyopic correction.
  • A review of existing literature on liquid crystal lens development and application.

    • Conclusions:

    • Liquid crystal lenses represent a potential future for presbyopic spectacle correction.
    • Practical challenges exist but potential solutions are being explored.
    • Further development is needed for widespread clinical adoption.