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Original file (SVG file, nominally 2,250 × 2,137 pixels, file size: 389 KB)
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Summary
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| Description |
English: ETDRS Chart R, one of the three logMAR chart models designed by Ferris, Kassoff, Bresnick, and Bailey for use in the Early Treatment Diabetic Retinopathy Study (ETDRS).
Español: 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 inglés. |
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Own work, after
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| Author | Fvasconcellos (talk · contribs) | ||
| Permission (Reusing this file) |
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| Other versions | File:ETDRS Chart 1.svg, File:ETDRS Chart 2.svg | ||
| SVG development |  This vector image was created with Inkscape. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:32, 10 January 2021 | | 2,250 × 2,137 (389 KB) | Fvasconcellos | {{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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