diopsimeter: meaning, definition, pronunciation and examples
Very LowTechnical/Medical
Quick answer
What does “diopsimeter” mean?
An instrument for measuring the field of vision of the eye.
Audio
Pronunciation
Definition
Meaning and Definition
An instrument for measuring the field of vision of the eye.
A device used in ophthalmology and optometry to quantitatively assess peripheral vision, detect visual field defects, and map the functional capacity of the retina and optic nerve pathways.
Dialectal Variation
British vs American Usage
Differences
No significant usage differences. The term is identical in spelling and professional application across both varieties.
Connotations
Purely technical/medical instrument with no colloquial or figurative use.
Frequency
Equally rare in both UK and US English, confined to ophthalmology, optometry, and related research literature.
Grammar
How to Use “diopsimeter” in a Sentence
The [practitioner] used the diopsimeter to [measure/assess] the patient's visual field.The [patient] was examined with a diopsimeter.[Condition/Syndrome] can be detected using a diopsimeter.Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Used in specialized medical and optometric research papers, clinical studies on vision.
Everyday
Virtually never used in everyday conversation.
Technical
The primary context. Used in ophthalmology clinics, optometry practices, and medical device manufacturing/specifications.
Vocabulary
Synonyms of “diopsimeter”
Watch out
Common Mistakes When Using “diopsimeter”
- Misspelling as 'dioptometer' or 'dioptsimeter'.
- Confusing it with devices that measure visual acuity (like Snellen charts) rather than visual field.
- Incorrect plural: 'diopsimeters' is correct.
FAQ
Frequently Asked Questions
It is used to measure and map a person's visual field, helping diagnose conditions like glaucoma, retinitis pigmentosa, and neurological disorders affecting vision.
No. An autorefractor measures the eye's prescription (refractive error for glasses), while a diopsimeter measures the scope and sensitivity of the visual field.
Primarily ophthalmologists and optometrists in clinical settings. Orthoptists and neurology specialists may also use it.
No, it is a very low-frequency, technical term. The more commonly used general term in clinics is 'perimeter' or 'visual field machine'.
An instrument for measuring the field of vision of the eye.
Diopsimeter is usually technical/medical in register.
Diopsimeter: in British English it is pronounced /ˌdaɪ.ɒpˈsɪm.ɪ.tər/, and in American English it is pronounced /ˌdaɪ.ɑːpˈsɪm.ə.t̬ɚ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'Di-op-simeter' - 'Di' for 'two' (eyes), 'op' for 'optic/eye', 'simeter' like 'meter' for measuring. A meter for measuring the two eyes.
Conceptual Metaphor
THE VISUAL FIELD IS A MAP (to be charted), THE INSTRUMENT IS A CARTOGRAPHER (of vision).
Practice
Quiz
A diopsimeter is most closely associated with measuring which of the following?