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Percent of Patients Dispensed from Inventory by Inventory Size (median)





                                                               50%
                    50%                                40%
               Percent Dispensed  From Inventory  40%  20%  25%  35%
                    30%

                    20%
                    10%

                             Under 100  100-149  150-249  250-399  400 or more
                                         Inventory Size (boxes)




         The table below provides guidelines for soft lens inventory by practice size. For all optometric practices, average soft lens inventory is
         only about 65% of the recommended quantity, resulting in the lower than desirable fill-rate.



                            Soft Lens Inventory Requirements





              Practice Annual   Median Monthly        Soft Lens Inventory
              Gross Revenue     Contact Lens Exams    Requirement (boxes)
              $350,000          31                    109
              $500,000          44                    155
              $650,000          58                    202
              $800,000          71                    249
              $1,000,000        89                    311
              $1,200,000        107                   373




































     36  Key Metrics: Assessing Optometric Practice Performance 2015
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