مخطط عيون بأحرف سنيلين مع شريط أحمر وأخضر وأزرق لاختبار حدة البصر 6 م / 20 قدم
مميزات خاصة
- 20 foot Snellen single-sided acuity chart that ranges from 20/200 to 20/15.
- Has letters with Red, Green and Blue lines.
- Measures 22 x 11 Inches.
وصف
Snellen Letter Eye Chart with Red Green Blue Bar Visual Acuity Test 6m / 20ft.
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