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The chart was designed by Ian Bailey [5] and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. [1] [3] They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a ...
Near visual acuity or near vision is a measure of how clearly a person can see nearby small objects or letters.Visual acuity in general usually refers clarity of distance vision, and is measured using eye charts like Snellen chart, LogMAR chart etc. Near vision is usually measured and recorded using a printed hand-held card containing different sized paragraphs, words, letters or symbols.
The MNREAD chart consists of sentences with print size decreasing by 0.1 log unit steps, from 1.3 logMAR (Snellen equivalent 20/400 at 40 cm) to −0.5 logMAR (Snellen equivalent 20/6). [4] Charts are available in many languages. It allows near visual acuity recording in logMAR notation, Snellen notation or M-units. [5]
Throughout the history of the Hot 100 and its predecessor charts, many songs have set records for longevity, popularity, or number of hit singles by an individual artist. Among these records is the longest-running number one single, a record set with " Old Town Road " by Lil Nas X , and later tied with " A Bar Song (Tipsy) " by Shaboozey ...
SZA has four songs on the Year-End chart, led by "Kill Bill" at number three. Four songs by Taylor Swift ranked within the top 40, with "Anti-Hero" at number 4. Drake has five songs on the list. Ice Spice has four songs on the list, two of which are remixes of other artists' singles.
The Billboard Digital Song Sales chart is a chart that ranks the most downloaded songs in the United States. Its data is compiled by Nielsen SoundScan based on each song's weekly digital sales, which combines sales of different versions of a song by an act for a summarized figure.
Meta stock traded at a new all-time intraday high Thursday, following a developer event that put its artificial intelligence ambitions on display.Shares rose as high as $577 after market open ...
Paul McCartney makes his first appearance in the top 10 of the Billboard Hot 100 after 29 years with his collaboration with Rihanna and Kanye West on the song "FourFiveSeconds" (number 42), surpassing Santana's record of having the longest break between top 10 songs in the chart's 56-year history, (although The Ronettes would break this record ...