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An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [ 1 ] Eye charts are often used by health care professionals, such as optometrists , physicians and nurses , to screen persons for vision impairment .
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.
A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor Franciscus Cornelius Donders .
The Jaeger chart is an eye chart used in testing near visual acuity. It is a card on which paragraphs of text are printed, with the text sizes increasing from 0.37 mm to 2.5 mm. [ 1 ] This card is to be held by a patient at a fixed distance from the eye dependent on the J size being read.
Andrea Neuenhofen (née Rosenbaum; born 25 December 1969), better known by her stage name AnNa R., is a German singer and songwriter who provides the lead vocals for pop group Gleis 8. She was previously the main vocalist of Rosenstolz , a pop duo that was active between 1991 and 2012 and had chart hits in Germany, Austria and Switzerland.
The first version was created by Steven Rosenbaum, founder and CEO of production company CameraPlanet, and consists of footage Rosenbaum's seven camera crews had shot around Ground Zero on September 11, 2001. During that day, Rosenbaum had heard "Overcome" on the radio—the song had been picked up by several stations in the wake of the attacks ...
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A 19th century phrenological chart. Peter and Rosenbaum's motivation was an interest in phrenology, a now-discredited scientific movement that attempted to associate mental capacities with aspects of cranial anatomy; Peter and Rosenbaum were acquainted with and admired the work of Franz Joseph Gall, a leading phrenologist. [5]