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Lens Form & Analysis
Answers to Practice Exercises

P. 5


 

P.11



P. 13

  1. +1.25 + 1.00 x 090
  2. +3.25 + 0.50 x 090
  3. +1.25 + 0.75 x 130
  4. �3.25 + 0.25 x 125
  5. �2.75 � 1.75 x 105
  6. �3.75 � 2.25 x 140
  7. +0.50 - 0.75 x 180
  8. +4.50 � 1.25 x 085
  9. +5.75 + 3.50 x 095

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