PROBLEM TO BE SOLVED: To adjust an eye to be inspected by applying an appropriate cloud fog as in a conventional eye refractive power measuring device, while allowing children and infants to fix their eyes during the measurement of the optical power. To provide an optical power measuring device for removing. An optical power measuring device for measuring an optical power of an eye to be inspected projects the measurement light into the pupil of the eye to be inspected through a measurement window and receives the measurement light reflected by the eye to be inspected. A measuring unit that calculates the refractive power of the eye to be inspected, an imaging unit that receives and captures the measurement light reflected by the eye to be inspected, a cloud fog optical system for fixing the eye to be inspected and performing cloud fog, and a cloud fog optical system. It is provided with an fixation target having a back illumination in which the color changes to attract the fixation of the eye to be inspected. [Selection diagram] Fig. 1【課題】眼屈折力測定の際に小児および乳幼児でも測定の間、固視が可能であって、かつ、従来の眼屈折力測定装置のように適切な雲霧をかけることにより被検眼の調節力を除去する眼屈折力測定装置を提供すること。【解決手段】被検眼の眼屈折力を測定する眼屈折力測定装置は、測定窓を介して被検眼の瞳孔内に測定光を投影し前記被検眼によって反射された前記測定光を受光して前記被検眼の屈折力を算出する測定部と、被検眼によって反射された測定光を受光し撮像する撮像部と、被検眼の固視および雲霧を行うための雲霧光学系と、雲霧光学系内に被検眼の固視を引付けるための色が遷移する背面照明を有する固視標と、を備える。【選択図】図１
