JP2012213524A5

JP2012213524A5 -

Info

Publication number: JP2012213524A5
Application number: JP2011081048A
Authority: JP
Filing date: 2011-03-31
Publication date: 2014-05-15
Anticipated expiration: 2031-03-31

Description

（１）
照明光源からの照明光を被検者眼角膜に向けて斜めから照射する照明光学系、角膜内皮細胞を含む前記角膜からの反射光を撮像素子により受光して角膜内皮細胞画像を取得する撮像光学系、を備える装置本体と、
被検者眼に対して前記装置本体を相対移動させる駆動手段と、
前記駆動手段の駆動を制御することにより前記装置本体を上下左右方向に移動させ、上下左右方向に関して異なる撮影位置での内皮画像を前記撮像素子により順次取得する連続撮影手段と、
を備えることを特徴とする。 (1)
An illumination optical system that irradiates illumination light from an illumination light source obliquely toward the subject's eye cornea, imaging optical that receives reflected light from the cornea including corneal endothelial cells by an imaging element and acquires a corneal endothelial cell image An apparatus body comprising a system,
Driving means for moving the device main body relative to the eye of the subject;
Continuous imaging means for moving the apparatus main body in the vertical and horizontal directions by controlling the driving of the driving means, and sequentially acquiring endothelial images at different imaging positions with respect to the vertical and horizontal directions;
It is characterized by providing .

Claims

An illumination optical system that irradiates illumination light from an illumination light source obliquely toward the subject's eye cornea, imaging optical that receives reflected light from the cornea including corneal endothelial cells by an imaging element and acquires a corneal endothelial cell image An apparatus body comprising a system,
Driving means for moving the device main body relative to the eye of the subject;
Continuous imaging means for moving the apparatus main body in the vertical and horizontal directions by controlling the driving of the driving means, and sequentially acquiring endothelial images at different imaging positions with respect to the vertical and horizontal directions;
A corneal endothelial cell imaging device comprising:

Z alignment detection means for detecting an alignment state in the front-rear direction with respect to the cornea at each imaging position;
Z adjustment means for adjusting the front-rear position of the apparatus main body based on the detection result of the Z alignment detection means;
The corneal endothelial cell imaging device according to claim 1, comprising:

Comprising setting means for setting an imaging range on the cornea;
The said continuous imaging | photography means moves the said apparatus main body so that the endothelial image in the imaging | photography range set by the said setting means is image | photographed by controlling the drive of the said drive means. 2. The corneal endothelial cell imaging device according to any one of 2).

The corneal endothelial cell imaging apparatus according to any one of claims 1 to 3, wherein the setting means can set an imaging range on a corneal image displayed on a monitor.

The said continuous imaging | photography means moves the said apparatus main body to the front-back direction in each imaging position, and acquires continuously the endothelial image in the different imaging position regarding the front-back direction with the said image pick-up element. 4. The corneal endothelial cell imaging device according to any one of 4 above.

The corneal endothelial cell imaging apparatus according to claim 3, wherein the setting means sets an imaging range on the cornea based on an operation signal from an operation member operated by an examiner.

XY alignment detection means for detecting an alignment state in the vertical and horizontal directions with respect to the cornea center of the subject's eye;
XY adjustment means for moving the apparatus main body based on the detection result of the XY alignment detection means and adjusting the imaging position near the cornea center,
The continuous imaging means, after the imaging position is adjusted by the XY adjusting means, moves the apparatus main body in the vertical and horizontal directions, and sequentially acquires an endothelium image near the center of the cornea by the imaging element. The corneal endothelial cell imaging device according to any one of claims 1 to 6.