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A drill mount frame is a style of rimless eyeglasses where the bridge and temple arms are attached directly to the lenses. This is done by drilling very small, precise holes in the lenses and securing the frame parts with tiny screws or compression plugs. The lenses themselves become the main structural part of the glasses.
read more about drill mount frame ...Unlike a traditional frame that holds the lens in a groove, a drill mount frame has no rim. An optical lab carefully drills holes into the finished prescription lenses. The frame's bridge and temples are then mounted directly onto the lens. This creates a very minimalist and lightweight pair of glasses where the frame is barely visible.
Drill mount frames offer a subtle, barely-there look because there is no frame material surrounding the lenses. This makes them a popular choice for people who do not want their glasses to be a prominent feature on their face. They are also typically the lightest type of glasses you can wear, which makes them very comfortable for long periods.
The choice of lens material is very important for a drill mount frame. Because holes are drilled into them, the lenses must be made from a strong, impact-resistant material. Polycarbonate and Trivex lenses are the standard choices because they are very durable and will not crack or chip around the drill holes. Standard plastic or glass lenses are too brittle and cannot be used.
There are two ways drill mount frames are assembled. Older styles used tiny nuts and bolts, which often loosened over time and required frequent tightening. Modern drill mounts often use a compression system with plastic bushings. The metal prongs of the frame are pressed into a plastic sleeve inside the drill hole. This provides a shock-absorbing cushion that protects the lens from cracking and keeps the frame tight for much longer without needing adjustments.
They are more delicate than frames with a full rim. However, when they are made with the right lens material like polycarbonate or Trivex, they can hold up well to normal, everyday use if you handle them with care.
They require a little more care. You should always use two hands to take them on and off to avoid stressing the mounting points. The small screws may also need to be tightened by an optician from time to time.
Most prescriptions will work, but very high prescriptions can have thick edges that are more noticeable without a frame to hide them. Your optician can help you decide if a drill mount is a good option for your lenses.
You should talk with your optician to see if a drill mount frame is suitable for your prescription and your daily activities. They will make sure the correct, shatter-resistant lens material is used for safety and durability. You should also visit your optician for any adjustments, as the small fittings require special tools.
Rimless Drill Mount Frames. OWA. https://www.owaoptical.com/rimless-drill-mount-frames. Accessed March 31, 2026.
Lens Materials. American Academy of Ophthalmology. https://www.aao.org/eye-health/glasses-contacts/eyeglass-lens-materials. Accessed March 31, 2026.
Polycarbonate Lenses. All About Vision. https://www.allaboutvision.com/eyewear/eyeglasses/lenses/polycarbonate/. Accessed March 31, 2026.
Trivex Lenses. All About Vision. https://www.allaboutvision.com/eyewear/eyeglasses/lenses/trivex/. Accessed March 31, 2026.
Choosing the Best Lenses for Your Glasses. All About Vision. https://www.allaboutvision.com/eyewear/eyeglasses/lenses/how-to-choose/. Accessed March 31, 2026.