The Lens Usage by MAnufacturer Report can be found in the report menu, under order report and completed orders.
For this report, you have to decide which manufacturer you want to sort by and after run the report.
In this example, we will use SOLA.
When you click on SOLA (or any other manufacturer) you can choose the lens style, the material, the tint, pre-treatment or the addon.
To run the report you need to click on 
in the menu to be able to run the report. You can sort the report based on the group, the manufacturer, the start/end bill to Acct, the start/end ship to Acct and also the start/end date.
Below is an example of a lens usage by manufacturer report.