[DOC] [TLE] Visual acuity - Wikipedia [PAR] "Normal" visual acuity (in central, i.e. foveal ... it is easily measured, its reduction (
after correction) often... [DOC] [TLE] Visual Acuity: What is 20/20 Vision? [PAR] 20/20 vision is a term used to express normal visual acuity (the clarity or 
sharpness of vision) measured at a distance of 20 feet. If you have 20/20 vision, 
you can... [DOC] [TLE] 20/20 Vision: Is It Perfect Eyesight? - AllAboutVision.com [PAR] On this page: What's the difference between visual acuity, eyesight and vision? ... 
the eye chart has been standardized to correspond to "normal" visual acuity  
this is the "20/20" line. ... It's nearly impossible to quantify what "perfect" vision is. [DOC] [TLE] The Essence of Vision--How is It Measured? What is 20/20? - Dr ... [PAR] ... are totally or partially blind, a descriptive, non-numeric designation is still used 
by eye doctors. ... It is generally the assessment of visual acuity that determines 
whether treatment (lenses, ... Helmholtz's Treatise transformed the study of vision 
by integrating its physical, ... What is the smallest thing a normal eye can see? [DOC] [TLE] visual acuity measurement standard - International Council of ... [PAR] May 25, 1984 ... The distinctions made between normal vision, visual impairment ... of its basic 
functions: visual acuity, field of vision, night vision, etc. ..... readily convertible and 
comparable 4/4 and 40/40 test size designations. 11 ..... XIII.1 The purpose of the 
calibration procedure is to establish the numeric correspondence. [DOC] [TLE] Citation Nr: 1300414 Decision Date: 01/07/13 Archive Date: 01/11 ... [PAR] ... during examination by VA audiologists correspond to a numeric designation of 
... at its worst, the visual acuity in the right eye is 20/30 at distant and in the left 
eye .... 11 auditory acuity levels ranging from level I, for essentially normal acuity,
... [DOC] [TLE] GUIDE for the Evaluation of VISUAL Impairment - Smith-Kettlewell [PAR] Statistical Use of the Visual Acuity Score 30. Comparison to .... underlying 
condition and its prognosis, the long- term impact of .... one end of the scale are 
those with normal vision, at the other end ..... The point designation does not 
allow a comparison with ... numerical value and cannot be used to calculate a 
visual acuity... [DOC] [TLE] Volume 5, Chapter 51. Measuring Vision and Vision Loss [PAR] Its use in standards goes back to Renard, a French army ... Normal visual acuity 
charts have contrasts of 80% or better. ..... The need for a numeric designation 
lead some practitioners to the... [DOC] [TLE] Basic Eye Exam.pdf - Stony Brook University School of Medicine [PAR] while corrected distance visual acuity remains normal. Presbyopia develops .... 
represents the numeric designation for the line read. 5. Repeat the procedure for
... [DOC] [TLE] Subjective Refraction and Prescribing Glasses - American Academy ... [PAR] 1. Practical Optics.  Goal of Refraction, Six Principles of Refraction, Snellen 
Visual Acuity. 8 .... The 20/20 designation is based on what the "normal" 
individual is able to see. That individual is ...... Because of its numerical simplicity, 
it can also. [DOC] [TLE] Visual Acuity and Its Measurement - Scribd [PAR] Visual Acuity and Its Measurement - Download as PDF File (.pdf), Text File (.txt) 
or read online. ... minutes or the numeric l' alue of the fractional Snellen not at i on
. ..... Characters with the same M-unit designation .... Normal readi ng speed [DOC] [TLE] What Does Visual Agnosia Tell Us About ... - Semantic Scholar [PAR] and Its Relationship to Object Perception? Marlene Behrmann ..... Participants 
had normal or corrected-to-normal visual acuity by self-report, and all but 1 were
... [DOC] [TLE] Occupational Vision Standards: A Review - CiteSeerX [PAR] 2.2.2 Visual Acuity: Real-world Performance Literature, Vision Standards, and ..... 
ensure its applicability to the setting of vision standards for maintenance 
inspectors. ... Humans with normal color vision are traditionally regarded as 
having three ...... Not all occupational visual field standards are specified

Question: It's the numerical designation for normal visual acuity
Answer: 20/20