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PSI Authorized Distributor For DON AR Consumables

PSI authorized distributor for DON CO. products in North, Central and South America.

The DON COMPANY, LTD, of Korea, has signed Practical Systems, Inc. (PSI) as their authorized distributor in North, Central and South America. PSI will market, provide technical assistance and inventory DON’s hard coat, AR and hydrophobic consumables.   More

10% MEI Grinding Wheels

10% off MEI grinding wheelsMEI grinding wheels until June 30, 2016.  These quality wheels are made to OEM exact specifications.  No special procedures are necessary.  They fit all MEI machines.  Order online or call PSI at 800-237-8154 or 727-376-7900 for more information.  PSI offers a complete line of MEI tools.  Contact us for more information.


NEW Universal Generator Bags

Universal coolant bag hooked to generatorPSI’s new Universal Generator Bags are designed to collect swarf from lens generators and edgers. These bags eliminate the need to frequently scoop swarf from coolant tanks. They have a zippered, vinyl top and handles on the bottom for easy disposal of lens swarf. It comes in two sizes, short and tall to fit any tank.


clear-choice-diamondsPSI is now the exclusive distributor for Diateq Lab’s quality line of diamonds, milling cutters and edging tools.  Learn more about these high quality tools that are cost effective and provide excellent surface quality. More…


If you are having trouble with lens slippage while edging, try Sure Lock Hydrophobic Gripping pads under our new PSI Red Blocking Pad.  The two work together to create a strong bond between the lens and the block to reduce torquing.  Shop

The Slurry System of Choice for Digital Lens Processing.

Central Slurry System for digital lens processing.PSI’s 915, 23-gallon capacity slurry system is designed to consolidate slurry for digital processing. It reduces the number of chillers and slurry tanks needed by half. Designed with two pumps and a two-filter system, it handles high volumes of polish.  Jeff Rich, Technical Support/New Products Manager, explains the features and benefits of this slurry system for digital processing.  More

Tech Notes & Information

Additional information on surfacing and finishing lenses.

  • PSI & DON COMPANY Sign Authorized Distributor Agreement for AR & PSI Names Todd Nachbar, AR Specialist

    (Seoul Korea, 6/17/16) The DON COMPANY, LTD, of Korea, has signed Practical Systems, Inc. (PSI) as their authorized distributor in North, Central and South America. PSI will market, provide technical assistance and inventory the DON COMPANY’s hard coat, AR and hydrophobic consumables. PSI has also announced they have hired Todd Nachbar as their AR Specialist to provide the technical […]

  • ASTA Monthly Maintenance – Vacuum Filters

    As the Equipment and Technical Specialist for PSI, it has come to my attention that many owners of  Automatic Surface Tape Applicator (ASTA) with carbide cutters or an ASTA Handling System with carbide cutters are not changing their inline vacuum filters as often as they should. This results in down time and expensive repairs. Over the […]

  • Lens Cleaner – Still Working As A Marketing Tool

    Over 40 years and still working! Today there are all kinds of electronic apps, emails and web reminders to send to customers to get them to return to your shop for a re-check or a new set of frames. Sometimes the simplest, old fashion thing can be just as effective, like private label lens cleaner. History of […]

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  • Lens Edge Polisher

    Lens Edge Polisher – Klear Edge

    Lens edge polisher is an inexpensive way to produce lustrous lens edges on CR-39 and polycarbonate lens edges.  The Klear Edge Polisher is easy to use and production proven since 1982.  The polisher comes with 1-felt polishing pad and 1-multi-purpose polish bar.

    $743.36 Add to cart
  • Sale! MEI grinding wheels

    MEI Grinding Wheels

    MEI grinding wheels for CR-39 and polycarbonate lenses.  Available with left or right bevel.

    $265.00 $238.50 Select options
  • Dual Power Calibration Microscope

    Dual Power Calibration Microscope

    Dual Power Calibration Microscope for verifying alignment of etching lines in the calibration process of digital lens generators. High resolution with dual magnification (20/40) capabilities.

    Part #: MS-20/40

    $325.00 Add to cart