| 摘要 |
<p>An article of headgear comprises a structure including an optical system adapted to present visual information to a wearer of the article of headgear in a near eye position. The structure has first and second ends and comprises a near eye optical element situated to the first end of the structure and at least two further optical elements configured to direct light and situated between the near eye optical element and the second end of the structure. The structure may mount an electronic display means and the optical system may be configured to transmit visual information from the electronic display means to the near eye optical element, the eye optical element being adapted to present a viewable image to the wearer of the article of headgear.</p> |
