File:ETDRS_Chart_1.svg
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![File:ETDRS Chart 1.svg](http://upload.wikimedia.org/wikipedia/commons/thumb/9/94/ETDRS_Chart_1.svg/631px-ETDRS_Chart_1.svg.png)
Size of this PNG preview of this SVG file: 631 × 599 pixels. Other resolutions: 253 × 240 pixels | 505 × 480 pixels | 809 × 768 pixels | 1,078 × 1,024 pixels | 2,156 × 2,048 pixels | 2,250 × 2,137 pixels.
Original file (SVG file, nominally 2,250 × 2,137 pixels, file size: 537 KB)
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Summary
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DescriptionETDRS Chart 1.svg |
ETDRS Chart 1, one of the three logMAR chart models designed by Ferris, Kassoff, Bresnick, and Bailey for use in the Early Treatment Diabetic Retinopathy Study (ETDRS).
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Source |
Own work, after
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Author | Fvasconcellos (talk · contribs) | |||
Permission (Reusing this file) |
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Other versions | File:ETDRS Chart R.svg, File:ETDRS Chart 2.svg | |||
SVG development InfoField | ![]() This vector image was created with Inkscape. |
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depicts
10 January 2021
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:33, 10 January 2021 | ![]() | 2,250 × 2,137 (537 KB) | Fvasconcellos | {{Information |Description=ETDRS Chart 1, 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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Width | 635mm |
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Height | 603mm |
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