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Two spectacle lenses for aphakia.

C W Fowler

    Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    New aphakic spectacle lenses use continuous aspheric surfaces for improved cosmetics and weight. These designs offer stabilized power zones without traditional lenticular disadvantages.

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    Area of Science:

    • Ophthalmology
    • Optical Engineering

    Background:

    • Aphakic spectacles are used to correct vision after cataract surgery or other conditions causing lens removal.
    • Traditional aphakic lens designs often face challenges with cosmetic appearance, weight, and optical performance.

    Purpose of the Study:

    • To describe two novel aphakic spectacle lens designs.
    • To achieve a lens with an uncut diameter, improved cosmetic appearance, and reduced weight.

    Main Methods:

    • Utilizing a continuous aspheric surface on the front of the lens.
    • Designing a stabilized central power zone.
    • Incorporating a near plano peripheral flange.

    Main Results:

    • The new designs enable a lens of uncut diameter with better cosmetic appearance and reduced weight.

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  • The continuous aspheric surface provides a stabilized central power zone.
  • The peripheral flange design avoids disadvantages associated with traditional lenticular constructions.

    • Conclusions:

    • The described aphakic spectacle lenses offer a superior alternative to traditional designs.
    • These lenses provide enhanced optical and cosmetic benefits for aphakic patients.