Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

LogMAR chart

A logMAR chart is a chart consisting of rows of letters that is used by ophthalmologists, orthoptists, optometrists, and vision scientists to estimate visual acuity. The name of the chart is an abbreviation for "logarithm of the Minimum Angle of Resolution". The chart was developed at the National Vision Research Institute of Australia in 1976, and is…

History & Art

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around LogMAR chart. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

History

1 related topics

Advantages of LogMAR over other charts

3 related topics

Overview

11 related topics

Relation to the Snellen chart

1 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Purpose
assess visual acuity

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Relation to the Snellen chart

Advantages of LogMAR over other charts

Low vision and blindness definition with LogMAR

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

LogMAR chart

Nodes23
Edges22
Triples30
Avg. degree1.91
Density0.086957
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

LogMAR chart

Top relations

related to Advantages of LogMAR over other charts · 14
LogMAR chart → Bailey, British Standard, Each, However, In ETDRS, LogMAR, Lovie, Sloan, Snellen, The LogMAR, This, Transport, VA, Zero LogMAR
related to history · 9
LogMAR chart → Australia, Ian Bailey, Jan, LogMAR, Lovie-Kitchin, National Vision Research Institute, The, They, We
related to Recording visual acuity using the LogMAR chart · 5
LogMAR chart → Each, Given, LogMAR, Since, The
Purpose · 1
LogMAR chart → assess visual acuity
is a · 1
LogMAR chart → chart consisting of rows of letters that is used by ophthalmologists

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

logmar chart acuity visual vision charts logarithm angle snellen research letters used designed estimate using etdrs score national institute australia

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
LogMAR chartPurposeassess visual acuity1.00infobox
LogMAR chartis achart consisting of rows of letters that is used by ophthalmologists0.90text
LogMAR chartrelated to Advantages of LogMAR over other chartsThe LogMAR0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsSnellen0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsEach0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsLogMAR0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsIn ETDRS0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsSloan0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsBailey0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsLovie0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsTransport0.60section
LogMAR chartrelated to Advantages of LogMAR over other chartsBritish Standard0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.