PROBLEM TO BE SOLVED: To provide an eye tracking device which is robust against displacement of a spectacles type supporting portion. An eyeball tilt position detection device according to an aspect of the disclosed technology is a device that detects an eyeball tilt position, and is a device that emits laser light and generates non-diffracted light from the laser light. A non-diffracted light generation unit and a photodetection element that detects the reflected light of the non-diffracted light from the eyeball are provided. [Selection diagram] Figure 1【課題】眼鏡型支持部のずれなどにロバストなアイトラッキング装置を提供すること。【解決手段】開示の技術の一態様に係る眼球の傾き位置検知装置は、眼球の傾き位置を検知する装置であって、レーザ光を射出する光源と、前記レーザ光から非回折光を生成する非回折光生成部と、前記非回折光の前記眼球からの反射光を検出する光検出素子と、を備える。【選択図】図１
