Snellen E Chart E字視力檢查表

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商品詳情

Product Details

  • Ideal for use with patients who are illiterate, not familiar with the Roman alphabet, or cannot speak
  • Eight lines or the letter "E" pointing in different directions, with green and red bars
  • Durable, plastic
  • 22" x 11", 20' distance, Brass eyelet reinforced hole for easy hanging

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