As mentioned before the Lens Inventory refers to the "active database" or list of "blank lens" available in RX-Universe. These will be used to select the blank during the Order Entry. To remove or add blanks you have to use the "Lens Catalogue".
In the Example below the only active blank lens is; Sola,Finished Plastic,Single Vision with add power from +0625 to +0875 in a 60 Diameter
How to search a specific lens
Using the "Search for" Field you can enter comma separated value in the order of the columns. In other words you would do Manufacture,SemiFinished or Finished,Materials,Lens Style,Intermedidate,Segment ,Sphere...
So to find the Sola high lighted above you would search for "SOLA,F,P,SV"
To find US Essilor Straight Top 28 PolyCarbonate you would search for "SILO,S,C,ST28", this would give you a similar result like below
