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File:Snellen chart.svg
来自维基百科,自由的百科全书
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File:Snellen chart.svg
3.0 truetrue You may select the license of your choice. English A
Snellen
eye
chart
. Arabic نموذجية سنيلين التخطيطي لإجراء إختبارات حدة البصر. author
File:Snellen chart in North American standard.pdf
of this work, hereby publish it under the following license: English
Snellen
chart
for print in North American standard author name string: Mikael Häggström
File:Snellen chart in ISO standard.pdf
under the following license: English eye letters Latin American Spanish
Snellen
chart
for print in ISO standard. URL: https://commons.wikimedia
File:Snellen06.png
Snellen
chart
, ILLUSTRATIVE ONLY, NOT SUITABLE FOR VISION TESTING Almost certainly public domain (from en wiki). This image is in the public domain
File:Snellen chart by Openclipart.svg
I, the copyright holder of this work, hereby publish it under the following license: English
Snellen
chart