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Monoyer Chart

Tool to understand the Monoyer Chart. The Monoyer Chart is the name given to an optometric test to measure visual acuity of a person in ophthalmology

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Monoyer Chart -

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Monoyer Chart

Monoyer Chart

Image to print
The test must be performed at a distance of 5m and the first row should be 7.3mm.

How the Monoyer Chart was created?

By taking the first letter of each line from the last line, the word obtained is MONOYER, then by taking the last letter of each line always from the penultimate line, the word obtained is FERDINAND, both its first name and last name.

To be exact, it is written Monoyer DM, and DM certainly means Doctor of Medicine.

The other letters of each size do not mean anything and do not have a particular pattern, they are probably randomly selected:

Example: MRTVFUENCXOZD, DLVATBKUERSN, RCYHOFMESPA, EXATZHDWN, YOELKSFDI, OXPHBZD, NLTAVR, OHSUE, MCF, ZU

`MonoyerM R T V F U E N C X O Z DD L V A T B K U E R S NR C Y H O F M E S P AE X A T Z H D W NY O E L K S F D IO X P H B Z DN L T A V RO H S U EM C FZ U`

For a rigorous measurement, after printing on a 1:1 scale (on a format close to A2) the 10/10 line has a height of 7.3mm

What is the Monoyer Chart for?

The Monoyer chart (or Monoyer test) is used by opticians for testing visual acuity in patients with impaired eye.

However, this ophtalmologic table to print tends to be outdated and replaced by others like Snellen chart, or more recently by tests on screens, and possibly prescribe visual aids (glasses).

What is the distance of use of the Monoyer Chart?

The recommended distance for a Monoyer Chart is 5 meters.

Source code

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Cite as source (bibliography):
Monoyer Chart on dCode.fr [online website], retrieved on 2024-06-14, https://www.dcode.fr/monoyer-chart

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