Ferdinand Monoyer
| Use attributes for filter ! | |
| Gender | Male |
|---|---|
| Death | 112 years ago |
| Date of birth | May 9,1836 |
| Zodiac sign | Taurus |
| Born | Lyon |
| France | |
| Date of died | July 11,1912 |
| Died | Lyon |
| France | |
| Parents | Jeanne Monoyer |
| Job | Translator |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1460668 |
Ferdinand Monoyer Life story
Ferdinand Monoyer was a French ophthalmologist, known for introducing the dioptre in 1872. He invented the Monoyer chart, used to test visual acuity. He inserted his name in the random letters of the chart. It appears when one reads vertically from bottom to top on each side.
