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Beta titanium is a type of titanium alloy used to manufacture high-quality spectacle frames. Unlike pure titanium, beta titanium is mixed with other elements, such as aluminum and vanadium. This mix makes the metal much more flexible, durable, and lighter than traditional metals.
read more about beta titanium in eyeglass frames ...Manufacturers choose beta titanium primarily for its flexibility. Frames made from this metal can be bent significantly without breaking, giving them "memory" that helps them return to their original shape. The material is also extremely light and resistant to corrosion from sweat or saltwater, which makes the frames durable and comfortable for everyday wear.
Beta titanium is generally considered hypoallergenic. While it is an alloy, it contains very little nickel, which is the metal that typically causes allergic skin reactions. For people with moderate metal sensitivities who still want a metal frame, beta titanium is a good choice.
The main drawback of beta titanium is the cost. Frames made from this material are often more expensive than frames made from standard aluminum or stainless steel alloys. It is also slightly heavier than pure titanium frames.
Beta titanium is a metal used only for rigid frames, it cannot be used in contact lenses. However, frames are still relevant to contact lens wearers. Choosing comfortable, lightweight beta titanium glasses as a backup allows your eyes to rest from contact lens wear and provides necessary vision correction on days when contacts cannot be worn.
Beta titanium is generally more flexible and less brittle than pure titanium, making it more resistant to breaking from bending.
Yes, beta titanium frames are heavier than most plastic frames, but they are still much lighter than frames made from stainless steel or other common metals.
Beta titanium is a rigid, non-breathable metal and cannot be used in contact lens manufacturing. Contact lenses use soft, flexible plastic polymers.
If your titanium frames become bent or misaligned, do not attempt to fix them at home. Titanium requires specialized tools for adjustment to prevent snapping the weld points. Visit an optician to ensure the optical centers remain aligned with your pupils.
Optical Journal. Titanium in Eyewear (opticaljournal.com). 2024.
ABDO. Ophthalmic Frame Materials (abdo.org.uk). 2023.
Review of Optometry. Selecting the Right Frame (reviewofoptometry.com). 2024.