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grading scale

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grading scale
A method used to present an assessment and recording of the severity of a condition. Grading scales are usually organised in five stages of increasing severity, from grade 0 (normal) to grade 4 (severe). There are many grading scales assessing a variety of conditions. Commonly used scales are: van Herick's technique and Shaffer classification of the width of the angle of the anterior chamber using a slit-lamp or gonioscope, respectively; Efron grading scales for contact lens complications, a set of 16 anterior ocular complications such as, conjunctival redness, corneal neovascularization, corneal oedema, epithelial microcysts, corneal infiltrates, papillary conjunctivitis, etc. Other grading scales are used to evaluate cortical cataract, nuclear cataract, subcapsular cataract, inflammatory cells and flare in the anterior chamber, retinal arteriovenous crossings, cup-disc ratio, etc.


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The diamond cut is on a grading scale which is; Ideal, Very Good, Good and Fair/Poor cuts.
This third edition reflects the understanding in the field that the traditional approach to performance standards--a grading scale that links letters to percentages--is incompatible with a true standards- based system, and provides a rationale for a new approach to replace it, based on level scores.
Used Golf Ball Grading Today used golf balls are graded according to the usage and condition of the golf ball itself and there are generally 4 grading scales as follows- AAAA Grade (or Mint) Used golf balls of this grade have both the appearance and feel of a brand new ball).
 
 
 
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