hermann snellen
Học thuậtThân thiện
Definition
- Proper noun:
- Hermann Snellen: A Dutch ophthalmologist who is primarily known for inventing the Snellen chart, a standardized tool for measuring visual acuity.
Usage
- Proper noun:
- The Snellen chart, developed by Hermann Snellen, is used worldwide by optometrists.
- Hermann Snellen made significant contributions to the field of ophthalmology in the 19th century.
Advanced Usage
- "Snellen chart": The eye chart invented by Hermann Snellen, featuring rows of letters that decrease in size, used to test how well a person can see at a distance.
- During my eye exam, I read from the Snellen chart on the wall.
Variants and Related Words
- Snellen chart (noun): The specific eye chart developed by Hermann Snellen.
- Snellen test (noun): A visual acuity test performed using a Snellen chart.
- Ophthalmologist (noun): A medical doctor specializing in eye and vision care, like Hermann Snellen.
Synonyms
- Eye doctor (informal): A general term for a specialist in eye care.
- Vision scientist: A researcher who studies the visual system.
Related Terms
- Visual acuity (noun): The clarity or sharpness of vision, which the Snellen chart measures.
- Optometry (noun): The profession of examining eyes for visual defects and prescribing corrective lenses.
Noun
- Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908)