Panthère de Cartier Rimless Rectangle Eyeglasses (Model CT0474S). 

This luxury optical frame features a rimless, geometric design crafted with a smooth silver-finish metal structure. The signature element is the three-dimensional, sculpted Cartier Panther head detailing that anchors the front corners where the lenses connect to the temples. In the provided image, the eyeglasses feature photochromic lens which change its color under the uv.