Stock Lens Availability Tool
Fill in the input fields and then press the Calculate button to compute the approximate blank size necessary for a single vision lens.
How to Use
  • Calculate or Enter MBS: Use the form to calculate the Minimum Blank Size (MBS) or manually enter a value in the 'Calculated MBS' field using the formula MBS = (Eyesize + Bridge) - PD + ED.
  • Enter Prescription: Select the Sphere (SPH) and Cylinder (CYL) values from the dropdowns.
  • Select Lens Options: Choose the desired Lens Material and Lens Type.
  • Check Stock: Press the 'Check Availability' button to see if a suitable lens is in stock.

Disclaimer:

Please be aware that this tool uses preset variables. Stock availability at the Whitesburg In-Office Finishing Lab or the Stock House is not guaranteed.

Stock Locations:

  • Lens Types marked with "Available at Whitesburg" are typically stocked at the Whitesburg In-Office Finishing Lab.
  • All other Lens Types are ordered from the Stock House.