One common thing you will encounter throughout the Inventory functions is the "Lens Filter" screen, this will allow you to refine your search by applying selected filters to you your search criteria.
For example, you could setup the "Lens Filter" to report on only a certain Vendor or a combination of Manufacturer and Lens Styles or any other specified field combination.
...
- Manufaturer: "SILO" (Essilor)
- Lens Style: "SV" (Single Vision)
- Pre-Treatment: "PLCSRC" (Polarized with SRC)
1) You would setup your "Lens Filter" like this: 
...
Once you are happy with your selections, click on the 
button.
But for any reason you just don't want to keep these selections and you just want to exit out of the "Lens Filter", click on the exit 
button.
Next example: Keep the same criteria but you want to select spheres from 1.00 to 2.25 with cylinders from -0.25 to -1.00 for a range of diameters from 65 to 75.
