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Snellen Eye Chart - Model 10 Foot | 
 enlarge | Brand: Graham Field
Category: Health And Beauty
List Price: $30.00
Buy New: $18.95
You Save: $11.05 (37%)
Rating:  2 reviews
Sales Rank: 16878
Shipping Weight (lbs): 3
MPN: 1264
UPC: 717076043212
EAN: 0717076043212
ASIN: B000BI2900
Availability: Usually ships in 3-4 business days
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| Features:
| • | 22" x 11" | | • | Chart your own eyesight | | • | Choose from 10 feet or 20 feet models | | • | Made of durable plastic | | • | Please note the 10 foot and 20 foot Eye Chart Differ in Appearance |
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| Editorial Reviews:
Product Description
Snellen Eye Chart The Snellen Eye Chart is used to test visual acuity, position the patient 10 or 20 feet in front of the Snellen eye chart (depending on model chosen). Allegro Medical presents the Snellen Eye Chart: This test measures how well you see at various distances. The eye chart itself -- the usual one is called Snellen's chart -- is imprinted with block letters that line-by-line decrease in size, corresponding to the distance at which that line of letters is normally visible. The letters on the Snellen Eye Chart are, not surprisingly, called Snellen's test type. Each block letter is quite scientific in design (so that at the appropriate distance the letter subtends a visual angle of 5 degrees and each component part subtends an angle of 1 minute). The 20 20 Snellen Eye Chart and the letters are named for a 19th-century Dutch ophthalmologist Hermann Snellen (1834-1908) who came up with them as a test of visual acuity. Visual acuity refers to the clarity or clearness of the vision, a measure of how well a person sees. The word "acuity" comes from the Latin "acuitas" = sharpness.
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| Customer Reviews:
 Good product, just smaller than described September 17, 2007
S. Fulton (Huntington, WV USA)
I ordered this specific eye chart because I wanted to replace my old one that was 22" long. This one was described as 22" long, but was only 11" long. The chart does the job, but does not fill the space where the old one was and that was what I wanted it to do.Snellen Eye Chart - Model 10 Foot
 False Advertising - Beware! July 26, 2006
Michael Evans (Pasadena, CA)
4 out of 4 found this review helpful
I ordered this item and just received it. I was NOT shipped what is shown in the image for this product. What they sent me has no red and green color bars. I was sent an entirely different product - one that I would NOT have purchased. Beware of this seller. They are misrepresenting their merchandise.
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The Strength of Green Tea! | |
