Every piece here is shown in its own studio photography — the frame you pick is the frame that is rendered.
The try-on starts with the lens each frame is photographed with in the shop: photochromic for ARCA I, near-clear for MATRIARCA and PATRIARCA, and a dark sun lens for the rest. Switch lenses to see the same frame another way.
Face the camera, one person in the shot, glasses off.
The render is sent to the renderer and comes straight back — not stored, not kept, not used for anything else. The measurement never leaves this page at all: it is taken here, in your browser, from your iris.
When the frame and the photograph are both right, send it.
This is a likeness, not a fitting — it shows you how the piece sits, not what size to order.