North Corporation

Gerard McGlew

Nicolas Abele

Michel Combes

Michel Olivieri

Methods and apparatus to identify lenses of head-wearable apparatus are disclosed. Example glasses disclosed herein include a frame and an image generator coupled to the frame. A first lens is removably carriable by the frame. The first lens has a first identifier to provide a first code representative of a first optical characteristic of the first lens. The image generator is to project an image toward the first lens when the first lens is carried by the frame. A reader is to read the first code when the first lens is carried by the frame.

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Romainmótier, Switzerland

Gerard McGlew