684:{{Information |Description=ETDRS Chart R, one of the three {{w|logMAR chart}} models designed by Ferris, Kassoff, Bresnick, and Bailey for use in the Early Treatment Diabetic Retinopathy Study (ETDRS). *Chart and optotype dimensions in millimeters precisely as specified by Ferris et al. (1982). *LogMAR and VAR values after Baliey & Lovie (2013). *Note: meters/feet not a direct conversion, but rather in Snellen equivalents (1 meter = 5 feet). |Source=Own work, after *{{cite journal|authors=Fer...
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Test R de ETDRS, uno de tres modelos de prueba logMAR diseñados por Ferris, Kassoff, Bresnick y Bailey para su utilización en el estudio de tratamiento temprano de la retinopatía diabética, o ETDRS por sus siglas en
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Ferris FL, Freidlin V, Kassoff A, Green SB, Milton RC (1993). "Relative Letter and
Position Difficulty on Visual Acuity Charts from the Early Treatment Diabetic Retinopathy Study".
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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models designed by Ferris, Kassoff, Bresnick, and Bailey for use in the Early
Treatment Diabetic Retinopathy Study (ETDRS).
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The following pages on the
English Knowledge (XXG) use this file (pages on other projects are not listed):
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Ferris FL, Kassoff A, Bresnick GH, Bailey IL (1982). "New Visual Acuity Charts for
Clinical Research".
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Bailey IL, Lovie-Kitchin JE (2013). "Visual acuity testing. From the laboratory to the clinic".
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Note: meters/feet not a direct conversion, but rather in
Snellen equivalents (1 meter = 5 feet).
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Chart and optotype dimensions in millimeters precisely as specified by Ferris et al. (1982).
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Knowledge (XXG):Graphics Lab/Illustration workshop/Archive/Dec 2020
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Click on a date/time to view the file as it appeared at that time.
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I, the copyright holder of this work, release this work into the
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copyrighted, dedicated to the public domain by copyright holder
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87:(SVG file, nominally 2,250 × 2,137 pixels, file size: 389 KB)
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In some countries this may not be legally possible; if so:
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released into the public domain by the copyright holder
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Add a one-line explanation of what this file represents
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LogMAR and VAR values after Baliey & Lovie (2013).
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Commons is a freely licensed media file repository.
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46:Size of this PNG preview of this SVG file:
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
