Patent ID: 9507155
Filing Date: 2016-11-29
CPC Classification: G02B

Claim Text:
1. A head-mounted display, comprising: a casing including a left side surface and a right side surface; and a reference portion provided on one or both of the left side surface or the right side surface, each said reference portion configured to be visible therethrough so as to enable a side view of an eye of a wearer of the head-mounted display to be viewed from outside the head-mounted display so as to provide a reference for enabling adjustment of a relative position between the casing and the eye of the wearer; and wherein the left side surface and the right side surface are respectively configured to substantially cover a left-hand side and a right-hand side of eyes of the wearer, except for the reference portion on the one or both of the left side surface or the right side surface, and to block light from outside on the left-hand side and the right-hand side of the eyes of the wearer when the casing is worn by the wearer.