Decentration and Blocking - 3 Examples
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Monocular Decentration and Blocking
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Optician Training: Prentice's Formula (Rule) Part 1
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Verification or Final Inspection of Frames and Lenses: Checking Tolerances and Standards
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Optical Centre & Prismatic Effects (Prentice's Rule).
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Vertical and Horizontal Decentration - Working with OC Heights
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Mastering the Lensmeter 105 - Spotting Prescribed Prism
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