Snellen Eye Chart

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Item:
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$10.84
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Other Info
IDs
Average Customer Rating
4/5 Stars
(17 ratings)
         
Features:
  • 10 Foot - Letters KVD at top is 14" x 9"(poster size)
  • Made of durable plastic
Product Overview:

Snellen Eye Chart

The Snellen Eye Chart is used to test visual acuity, position the patient 10 feet in front of the Snellen eye chart.

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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Snellen Eye Chart

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Snellen Eye Chart Reviews Summary
Allegro Medical does not endorse, recommend or sponsor any customer product reviews, ideas or advice.
Average Rating
17 reviews
13 out of 17 recommended this product to their friends
Top Pros

Sturdy (8)
Easy Storage (6)
Lightweight (6)
Easy To Use (6)
Safe (4)
Top Cons

Flimsy (2)
None (1)
Top Best Uses

Testing (5)
Regular Use (2)
Children for experiment (1)
Following Surgery (1)
Elderly (1)
1-2 of 17 reviews
fine, if a bit overpriced

Pros:
Sturdy. Easy Storage. Lightweight.
Best Uses:
Testing.
Describe Yourself:
Elderly.

I got it to practice for the DMV eye test. I passed the test.

by from Key West. FL
  Yes, I would recommend this to a friend
2 person found this review helpful
Snellen Eye Chart Verified Purchaser

Pros:
Safe. Easy Storage. Sturdy. Great for small rooms. Lightweight.
Describe Yourself:
Medical Professional. Average Health.

use to screen students at school

by from Norfolk, VA
  Yes, I would recommend this to a friend
4 person found this review helpful
1-2 of 17 reviews

Snellen Eye Chart is also listed in these categories below:

Q&A:  Question About?
Snellen Eye Chart
Ask the community about this product and get answers. Share your knowledge and advice.
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2 Questions | 1 Answer
Q:
What is the required lighting specification for a Snellen eye chart (ie: 110 watts, 4 feet above and 2 feet in front)?
Asked on Jan 13, 2016 10:52:27 AM by Rob from CA
1 people had the same question
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Q:
At what height should you hang the eye chart?
Asked on Nov 29, 2011 12:45:17 PM by Sam from Georgia
13 people had the same question
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Report
A:
This Snellen chart is to be set at 10 feet.
Answered on Oct 26, 2015 8:55:47 AM by bagdo1111  from Memphis Tn
3 people found this helpful
Helpful | Report

Part Number(s): 746 0230

Mfg Part Number(s): 4174

Scrip Part Number(s): 746 0230


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