| 摘要 |
A fundus observation device which can simultaneously capture both surface images and tomographic images of the fundus oculi is provided. The fundus observation device 1 has a fundus camera unit 1 A, an OCT unit 150 , and an arithmetic and control unit 200 . The fundus camera unit 1 A has an illuminating optical system 100 and an imaging optical system 120 . The arithmetic and control unit 200 forms the surface image of fundus oculi Ef based on signals from fundus camera unit 1 A. The OCT unit 150 divides low coherence light LO into the signal light LS and the reference light LR, and detects the interference light LC that can be obtained from the signal light LS passing through fundus oculi Ef and the reference light LR passing through reference mirror 174 . The arithmetic and control unit 200 forms tomographic images of fundus oculi Ef based on these detecting results. A Dichroic mirror 134 combines the optical path of the signal light LS toward fundus oculi Ef into the optical path for imaging of the imaging optical system 120 , and separates the optical path of the signal light LS towards fundus oculi Ef from the optical path for imaging.
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