| 摘要 |
Provided is a compact, head-mounted type visual examination apparatus. The visual examination apparatus is a head-mounted type visual examination apparatus that is attached to the head of a person being examined, the visual examination apparatus comprising a display element that presents visual targets to an eyeballof the person being examined, a display optical system that guides the light of the visual target presented by the display element to the retina of the eyeball, an image acquisition element that acquires an image of the eyeball, and an observation optical system that guides the image of the eyeball to the image acquisition element, wherein the display optical system comprises a mirror closer to the eyeball than the display element, the mirror reflecting a portion of the light and transmitting the remainder of the light, wherein an optical axis from the pupil of the eyeball to the mirror in the display optical system and an optical axis from the pupil of the eyeball to the mirror in the observation optical system are in alignment, and wherein the optical axis from the pupil of the eyeball to the mirror in the display optical system and the optical axis from the mirror to the display element in the display optical system are bent by the mirror. |
