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Description ( notes ) AC. Anterior chamber. fluid-filled space between the iris and the endothelium. AC 4/4. Grade 4 anterior chamber angle. open angle between cornea and iris. AC 3/4. Grade 3 anterior chamber angle.
In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of arc, and the thickness of the lines and of the spaces between the lines subtends one minute of arc. This line, designated 6/6 (or 20/20), is the ...
"The Sound of Silence" (originally "The Sounds of Silence") is a song by the American folk rock duo Simon & Garfunkel, written by Paul Simon. The duo's studio audition of the song led to a record deal with Columbia Records, and the original acoustic version was recorded in March 1964 at Columbia's 7th Avenue Recording Studios in New York City for their debut album, Wednesday Morning, 3 A.M ...
Literacy. v. t. e. Subvocalization, or silent speech, is the internal speech typically made when reading; it provides the sound of the word as it is read. [ 1][ 2] This is a natural process when reading, and it helps the mind to access meanings to comprehend and remember what is read, potentially reducing cognitive load.
Landolt C. Lea test. logMAR chart. 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.
Hearing range. Hearing range describes the frequency range that can be heard by humans or other animals, though it can also refer to the range of levels. The human range is commonly given as 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, and a gradual loss of sensitivity to higher ...
Signal strength and readability report. A signal strength and readability report is a standardized format for reporting the strength of the radio signal and the readability (quality) of the radiotelephone (voice) or radiotelegraph (Morse code) signal transmitted by another station as received at the reporting station's location and by their ...
Smoke Gets in Your Eyes. " Smoke Gets in Your Eyes " is a show tune written by American composer Jerome Kern and lyricist Otto Harbach for the 1933 musical comedy Roberta. The song was sung in the Broadway show by Tamara Drasin. Its first recorded performance was by Gertrude Niesen, who recorded the song with orchestral direction from Ray ...