which lens for astigmatism: regular aspheric or atoric?

Discussion in 'Optometry Archives' started by John Smith, Aug 10, 2003.

  1. John Smith

    John Smith Guest

    I am a bit confused regarding the applicability of regular aspheric
    (non-atoric) lenses to correct astigmatism and would apreciate any
    help in selecting the most appropriate lens design.

    My prescription is:

    O.D.: Sph. -4.50, Cyl. -0.50, Axis 165
    O.S.: Sph. -4.25, Cyl. -0.50, Axis 005

    Pupillary Distance: 64 mm.
    The dimensions of the frame are 51x16.

    Due to its relatively high Abbe (42) my first choice is AO SOLA XT 16
    which uses SOLA's Finalite material. That is a front aspheric lens but
    is NOT atoric. My second choice is SOLA ViZio in High Index (1.66) but
    low Abbe (32) which is an atoric design.

    Here are my questions:

    1. Can I use a non-atoric aspheric lens to correct astigmatism and
    still achieve good results?
    2. Compared to Pentax Ultrathin aspherics which my optician initially
    recommended but which are not atoric how much more or less should I
    expect to pay SOLA XT 16 and SOLA ViZio?


    John Smith, Aug 10, 2003
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