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Snellen and Tumbling E Non-Reflective Size 22 x 11 Inch Combo Free Shipping
Snellen and Tumbling E Non-Reflective Size 22 x 11 Inch Combo Free Shipping

Snellen and Tumbling E Non-Reflective Size 22 x 11 Inch Combo Free Shipping

$ 20.59

Availability: 10 in stock
  • Condition: New
  • Country/Region of Manufacture: India
  • Chart Type: Reference Chart
  • MPN: Does Not Apply
  • Brand: Unbranded
  • All returns accepted: Returns Accepted
  • Intended Use/Discipline: Ophthalmology
  • Item must be returned within: 30 Days
  • Refund will be given as: Money Back
  • Return shipping will be paid by: Buyer

    Description

    Snellen and Tumbling E Eye Chart 20 Feet
    Size 22 x 11 Inch
    Pack of 2 Eye Charts
    Description:-
    The Snellen eye test uses the idea of a subtended 5 minutes of arc with a 20 foot distance. This became the "standard vision" measurement. Also, Snellen developed the idea of a 5x5 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 chart is the basis for many other vision tests.
    The Tumbling "E" vision chart is great for use with patients that are not familiar with the Roman alphabet. These patients simply have to gesture the direction they see the optotype since there is only one. This optotype is place in four different directions. Up, Down, Left and Right. The Tumbling "E" chart is considered highly reliable and accurate. It is great for the detection of Astigmatism.
    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 hole for easy hanging
    Disclaimer:
    The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.
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