lenses

  1. C

    gonio lens for sale

    looking to purchase a used gonio lens in good condition. PM me please!
  2. Y

    Diagnostic Lenses

    I'm looking for advice on purchasing my first set of slit lamp lenses. As of right now, we are required to purchase a 20D (or other equivalent BIO lens) and a 90D/super field. I am aware of the specs of the different lenses and I'm leaning towards the digital clear field for my BIO lens and the...
    • yetbun12
    • Thread
    • lenses ophthalmology optometry slit lamp lenses
    • Replies: 8
    • Forum: Optometry
  3. PikminOC

    High index

    For a person with a -11 prescription, is there a hige difference in buying 1.74 hi index lenses to justify the cost above the 1.67? It will be the smallest frame 40 mm or so, not rimless, etc. Thanks for any info. I appreciate it.
    • PikminOC
    • Thread
    • glasses high index lenses
    • Replies: 11
    • Forum: Optometry
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