Optical frames are the structures that hold prescription lenses for eyeglasses. They come in various styles, materials, and colors, allowing individuals to express their personal style while improving their vision. Common materials include plastic, metal, and titanium, each offering different levels of durability and comfort. These frames are designed to fit comfortably on the face and can be adjusted for a better fit. Optical frames are available in different shapes, such as rectangular, round, and cat-eye, catering to diverse face shapes and preferences. Choosing the right optical frame is essential for both functionality and aesthetics.