Last week, we started a discussion about low-cost and underused tools for your contact lens practice with Lissamine green strips. This week, we’ll explore fenestrated DMV plungers. Most practitioners think of this plunger as a removal tool, but its real power? Application.
That tiny hole at the base of the plunger does more than relieve suction; it creates a window for light. When patients hold the lens in place, ambient light (or light from a transilluminator placed underneath) shines through the liquid reservoir, allowing them to visualize the lens bowl clearly and track its alignment with their cornea.
This small design tweak dramatically improves the application experience for patients. This is especially the case for those who struggle with keeping the lens centered or managing reflex blinking. The ability to see the bullseye makes the process faster and far less frustrating.
For even more success, combine the fenestrated plunger with a ring light or even a smartphone flashlight to create a reliable lighting setup at home. Patients who apply their lenses successfully on the first try are far more likely to succeed with scleral lenses long-term.
Next week, we’ll talk about a tool that costs less than a penny and can tell you more about lens surface issues than your slit lamp. Hint: It’s probably sitting on your counter already.
