PRACTICE FUN STUFF by rZ8E5J

VIEWS: 20 PAGES: 9

									                               PRACTICE FUN STUFF
                       Putting Prescriptions on the Optical Cross




Optical Cross

Put the following Rx on the Optical Cross

-2.00 -1.00 x 080                                  -3.00 – 2.50 x 107




-1.00- 3.00 x 095                                  -5.00 -2.00 x 015




+2.00 -3.00 x 010                                  -1.00 +3.00 x002




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                     Put the following Rx on the Optical Cross




+3.50 -1.00 x 096                               -3.25 -0.25 x 110




-3.25 -0.75 x080                                -1.00 -1.00 x 080




-2.50 Sphere                                    -3.00 -1.00 x 120




+ 2.00 -1.00 x 080                              -3.50 -2.00 x 030




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                                         More Practice
                            Taking Prescriptions off the Optical Cross




Take the following prescriptions off the optical cross in minus cylinder form

                      090                                       026




    -2.00                          180              -1.00                 116




                    -4.00                                       -5.00
 Answer______________                            Answer __________________

                      090
                                                    +3.00                026




    +2.00                          180

                                                                          116
                                                    +1.00
                    -1.00

 Answer ________________                         Answer ____________________


                                                                100

      -4.00                  069



                                                    -1.00                 010


                               159
            -2.25

                                                                -1.00
Answer ___________________                       Answer ____________________



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                                         More Practice
                            Taking Prescriptions off the Optical Cross




Take the following prescriptions off the optical cross in PLUS cylinder form

                      090                                       026




    -2.00                          180              -3.00                 116




                    -3.00                                       -3.00
 Answer______________                            Answer __________________

                      090
                                                    +3.00                026




    +2.00                          180

                                                                          116
                                                    +1.50

                    +4.00
 Answer ________________                         Answer ____________________

                                                                100

      -3.75                  069



                                                    -1.00                 010


                               159
            -2.25

                                                                -4.00
Answer ___________________                       Answer ____________________



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                                   Spherical Equivalent
                                      More Practice




Give the spherical equivalent to the following prescripts

-2.00 -1.00 x 080                            Answer ___________________________

-1.00 -2.00 x 010                            Answer ___________________________

+2.00 -1.00 x030                             Answer ___________________________

-3.00 – 0.50 x 070                           Answer ___________________________

+3.00- 1.00 x 060                            Answer ___________________________

+2.00 -2.00 x 050                            Answer ___________________________

-4.00 -1.00 x 020                            Answer ___________________________

-3.50 – 2.00 x 180                           Answer ___________________________

+1.00 -3.00 x 020                            Answer ___________________________

-2.00 -0.50 x 168                            Answer ___________________________

-4.00 sph                                    Answer ___________________________

-2.00 -0.50 x 145                            Answer ___________________________

-3.00 -1.00 x 080                            Answer ___________________________

+2.25 -1.00 x 011                            Answer ___________________________

-1.50 -0.50 x 021                            Answer ___________________________




                                             5
                                 More Practice
                              Converting Multifocals




   Transpose the following Rx to Near Vision Only aka NVO, SVN, reading glasses

-2.00 -1.00 x 080                            -3.00 -1.00 x 090
-1.50 -2.00 x 180                            -2.00 -0.75 x 180
+3.00 OU                                     +2.25 OU

Answer ________________                      Answer________________
       ________________                            ________________


-4.00 -0.25 x 090                            -1.00 – 0.50 x 010
-1.00 -0.50 x 098                            -2.00 -0.75 x 100
+2.00 OU                                     +1.25 OU

Answer ________________                      Answer________________
       ________________                            ________________

+2.25 -1.00 x 180                            +2.50 -1.00 x 090
+0.50 -1.25 x 165                            +1.00 -0.75 x 180
+1.00 OU                                     +2.25 OU

Answer ________________                      Answer ________________
       ________________                             ________________
                                             -2.00 -1.00 x 090
+1.00 -2.00 x 065                            -1.00 -0.75 x 180
+0.50 -1.00 x 050                            +1.75 OU
+1.50 OU with 50% int
Answer ________________                      Answer ________________
        ________________                            ________________




                                        6
                                 More Practice
                              Converting Multifocals




Transpose the following Rx from a Multifocal to a Distance Vision Rx aka SVD, DVO,
                                  distance glasses

                                               -3.00 -1.00 x 090
-1.00 -1.00 x 090                              -0.50 -0.50 x 180
-2.00 -0.75 x 180                              +2.25 OU
+1.00 OU
                                               Answer
Answer                                         ________________
________________                               ________________
________________

                                             +1.00 -1.00 x 030
-2.50 -1.00 x 065                            +0.50 -0.75 x 110
-3.00 -0.75 x 180                            +1.50 OU
+0.75 OU
                                             Answer
Answer                                       ________________
________________                             ________________
________________



                                            11.25 -1.00 x 090
-3.00 – 0.75 x 090                          -2.00 -0.75 x 180
-1.75 - 0.75 x 180                          +2.25 OU
+2.25 OU
                                            Answer
Answer                                      ________________
________________                            ________________
________________



                                        7
                             MORE FUN PRACTICE
                                Transposition




     Transpose the following Rx from plus cylinder form to minus cylinder form.
                                               - 0.50 +1.00 x 080
-2.00 +1.00 x 090
                                               Answer______________
Answer______________

-1.00 +1.50 x 010                              -1.00 +3.00 x 070

Answer______________                           Answer______________

-3.00 +2.00 x 095
                                               - 0.50 +2.00 x 145
Answer______________
                                               Answer______________
+1.25 +1.00 x 020
                                               - 5.00 +3.00 x 088
Answer______________
                                               Answer______________
+1.00 +0.50 x 164
                                               - 1.50 +2.00 x 004
Answer______________
                                               Answer______________
-2.50 +1.00 x 030
                                               - 2.50 +3.00 x 103
Answer______________
                                               Answer______________

-0.75 +1.00 x 178                              -1.50 +2.00 x 169
                                               Answer______________
Answer______________




                                         8
                              MORE FUN PRACTICE
                               TRANSPOSITION




    Convert the following prescription from minus cylinder to plus cylinder format


-1.00 -1.00 x 090                              -1.00 -2.00 x 080

Answer______________                           Answer______________

-1.00 -1.50 x 160                              - 0.50 -2.00 x 008

Answer______________                           Answer______________

                                               - 5.00 -3.00 x 088
-3.00 -1.50 x 095
                                               Answer______________
Answer______________
                                               - 1.50 -1.25 x 004
+1.25 -1.00 x 020
                                               Answer______________
Answer______________
                                               - 2.50 -1.50 x 103
-1.00 -0.50 x 162
                                               Answer______________
Answer______________

-2.50 -1.00 x 029                             + 2.50 -1.50 x 103

Answer______________                          Answer______________




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