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Snellen's Distance Vision Eye Chart 20 Ft. LABGO 25

Snellen's Distance Vision Eye Chart 20 Ft. LABGO 25

$ 23.76

Availability: 100 in stock
  • Restocking Fee: No
  • Country/Region of Manufacture: India
  • Return shipping will be paid by: Buyer
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back
  • MPN: Does Not Apply
  • Item must be returned within: 60 Days
  • Brand: LABGO
  • Intended Use/Discipline: Eye Care
  • Condition: New

    Description

    Snellen's Distance Vision Eye Chart 20 Ft.
    Excellent Quality
    Made In India
    Descriptions:
    These Snellen Eye Chart was originally introduced in 1862 by Herman Snellen. The Snellen eye Test uses the idea of subtended 5 minutes of arc with a 20 Feet distance. This became the "Standard Vision" measurement. Also, Snellen developed the idea of a 5 x 5 grid for a standard for his optotypes. Each Optotype must meet certain percentage requirements in this grid before it is used for testing. This helps to make a uniform and equal vision chart. The Snellen eye test is the basic many other vision tests.
    Specification:
    Non reflecting, matte finish eye Charts, Designed for Vision Testing at 20 Feet distance.
    Eye Chart measures 22 x 11 in.
    Plastic Washable Sheet.
    Wall Hanging Whole for easy hanging.
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