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Related Experiment Videos

Soft contact lens polymers: an evolution.

P C Nicolson1, J Vogt

  • 1Lens Business Unit Research and Development, CIBA Vision Corporation, Duluth, Georgia 30097-1556, USA. paul.nicolson@cibavision.novartis.com

Biomaterials
|November 10, 2001
PubMed
Summary
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The development of contact lens materials has advanced significantly, from early hydrogels to modern silicone hydrogels, improving oxygen delivery and lens comfort for daily disposable lenses.

Area of Science:

  • Ophthalmic materials science
  • Biomaterials engineering
  • Corneal physiology

Background:

  • Corneal physiological needs have driven innovation in contact lens materials.
  • Early hydrogel lenses marked the beginning of advanced biomaterials for ocular use.
  • Subsequent developments focused on high water content and oxygen permeability.

Purpose of the Study:

  • To review the evolution of contact lens materials.
  • To highlight key advancements in hydrogel and silicone-based materials.
  • To connect material science progress with clinical applications and manufacturing.

Main Methods:

  • Literature and patent review.
  • Analysis of historical development trends in contact lens technology.

Related Experiment Videos

  • Correlation of material properties with physiological requirements and manufacturing scalability.

    • Main Results:

    • Evolution from basic hydrogels to high water content and silicone-containing hydrogels.
    • Recognition of polymer phase morphology's impact on lens-eye interaction.
    • Development of materials suitable for high-volume, low-cost daily disposable lens production.

    Conclusions:

    • Material science has progressively met the cornea's physiological demands for contact lenses.
    • Innovations in oxygen transmission and polymer structure have enhanced lens performance.
    • Advancements facilitate the widespread availability of modern daily disposable contact lenses.