JP2012095924A5 - - Google Patents
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- JP2012095924A5 JP2012095924A5 JP2010247900A JP2010247900A JP2012095924A5 JP 2012095924 A5 JP2012095924 A5 JP 2012095924A5 JP 2010247900 A JP2010247900 A JP 2010247900A JP 2010247900 A JP2010247900 A JP 2010247900A JP 2012095924 A5 JP2012095924 A5 JP 2012095924A5
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（１） 被検眼眼底からの反射光を受光して眼底像を撮像する眼底撮像光学系と、前記眼底撮像光学系の光路中に配置され、入射光の波面を制御して被検眼の波面収差を補償する波面補償デバイスと、被検眼眼底に向けて測定光を投光し、その眼底からの反射光を波面センサにより検出する波面収差検出光学系と、前記波面センサ上に設定された前記波面補償デバイスの補償可能領域と前記波面センサによる眼底反射光束の検出領域とのずれ情報を検出する検出手段と、前記波面センサからの検出信号に基づく被検者眼の波面収差の検出と、その検出結果に基づく前記波面補償デバイスの制御とを繰り返すフィードバック制御を行う制御手段であって、前記検出手段により検出されるずれ情報が許容範囲内を外れた場合に、フィードバック制御を一時的に停止させ、前記ずれ情報が許容範囲内に復帰した場合にフィードバック制御を再開させる制御手段と、を備えることを特徴とする。
（２） （１）の眼底撮影装置において、眼底撮像光学系により連続的に撮像される眼底像を動画として出力する表示手段を備えることを特徴とする。
（３） （２）の眼底撮影装置において、さらに、前記ずれ情報が許容範囲内に収まるように前記検出光学系と被検眼との位置関係を相対的に調整する位置調整手段を備えることを特徴とする。
（４） （３）の眼底撮影装置において、前記制御手段は、フィードバック制御を停止させるとき、前記波面収差補償デバイスによる収差補償量を，前記ずれ情報が許容範囲内を外れた前の収差補償量で保持することを特徴とする。
（５） （３）の眼底撮影装置において、前記波面補償デバイスの波面制御情報を記憶する記憶手段と、を備え、前記制御手段は、前記ずれ情報が許容範囲内に収まっている場合の波面制御情報を前記記憶手段に記憶させ、前記ずれ情報が許容範囲内に復帰した場合、前記波面補償デバイスの波面制御情報を前記波面補償デバイスへ反映させることを特徴とする。
（６） 被検眼眼底からの反射光を受光して眼底像を撮像する眼底撮像光学系と、前記眼底撮像光学系の光路中に配置され、入射光の波面を制御して被検眼の波面収差を補償する波面補償デバイスと、被検眼眼底に向けて測定光を投光し、その眼底からの反射光を波面センサにより検出する波面収差検出光学系と、前記波面センサからの検出信号に基づく被検者眼の波面収差の検出と、その検出結果に基づく前記波面補償デバイスの制御とを繰り返すフィードバック制御を行う制御手段であって、予め、記憶手段に記憶された波面制御情報にて波面補償デバイスを制御した後、フィードバック制御を再開させる制御手段と、を備えることを特徴とする。
(1) A fundus imaging optical system that receives reflected light from the fundus of the subject's eye and picks up a fundus image, and a wavefront aberration of the eye to be examined by controlling the wavefront of incident light that is disposed in the optical path of the fundus imaging optical system. A wavefront compensation device that compensates for, a wavefront aberration detection optical system that projects measurement light toward the fundus of the subject's eye and detects reflected light from the fundus using a wavefront sensor, and the wavefront that is set on the wavefront sensor Detection means for detecting deviation information between the compensation area of the compensation device and the detection area of the fundus reflected light beam by the wavefront sensor, detection of wavefront aberration of the subject's eye based on a detection signal from the wavefront sensor, and detection thereof Control means for performing feedback control that repeats control of the wavefront compensation device based on the result, and feedback control when the deviation information detected by the detection means is out of an allowable range And control means for temporarily stopping feedback control when the deviation information returns to within an allowable range.
(2) The fundus imaging apparatus according to (1) is characterized by comprising display means for outputting a fundus image continuously captured by the fundus imaging optical system as a moving image.
(3) The fundus imaging apparatus according to (2), further comprising position adjustment means for relatively adjusting a positional relationship between the detection optical system and the eye to be inspected so that the deviation information is within an allowable range. And
(4) In the fundus imaging apparatus according to (3), when the control unit stops the feedback control, the aberration compensation amount by the wavefront aberration compensation device is the aberration compensation amount before the deviation information is out of the allowable range. It is characterized by holding in.
(5) The fundus imaging apparatus according to (3), further comprising storage means for storing wavefront control information of the wavefront compensation device, wherein the control means controls the wavefront when the deviation information is within an allowable range. Information is stored in the storage means, and the wavefront control information of the wavefront compensation device is reflected in the wavefront compensation device when the deviation information returns within an allowable range.
(6) A fundus imaging optical system that receives reflected light from the fundus of the subject's eye and captures a fundus image, and a wavefront aberration of the eye to be examined by controlling the wavefront of incident light that is disposed in the optical path of the fundus imaging optical system. A wavefront compensation device that compensates for this, a wavefront aberration detection optical system that projects measurement light toward the fundus of the eye to be examined, and detects reflected light from the fundus using a wavefront sensor, Control means for performing feedback control that repeats detection of wavefront aberration of the examiner's eye and control of the wavefront compensation device based on the detection result, the wavefront compensation device using wavefront control information stored in advance in the storage means And control means for resuming feedback control after controlling.
Claims (6)
前記眼底撮像光学系の光路中に配置され、入射光の波面を制御して被検眼の波面収差を補償する波面補償デバイスと、
被検眼眼底に向けて測定光を投光し、その眼底からの反射光を波面センサにより検出する波面収差検出光学系と、
前記波面センサ上に設定された前記波面補償デバイスの補償可能領域と前記波面センサによる眼底反射光束の検出領域とのずれ情報を検出する検出手段と、
前記波面センサからの検出信号に基づく被検者眼の波面収差の検出と、その検出結果に基づく前記波面補償デバイスの制御とを繰り返すフィードバック制御を行う制御手段であって、前記検出手段により検出されるずれ情報が許容範囲内を外れた場合に、フィードバック制御を一時的に停止させ、前記ずれ情報が許容範囲内に復帰した場合にフィードバック制御を再開させる制御手段と、を備えることを特徴とする波面補償付眼底撮影装置。 A fundus imaging optical system that receives reflected light from the fundus of the subject's eye and captures a fundus image;
A wavefront compensation device that is disposed in the optical path of the fundus imaging optical system and that controls the wavefront of incident light to compensate the wavefront aberration of the eye to be examined;
A wavefront aberration detection optical system that projects measurement light toward the fundus of the subject's eye and detects reflected light from the fundus by a wavefront sensor;
Detecting means for detecting deviation information between a compensable region of the wavefront compensation device set on the wavefront sensor and a detection region of a fundus reflected light beam by the wavefront sensor;
Control means for performing feedback control that repeats detection of wavefront aberration of the subject's eye based on a detection signal from the wavefront sensor and control of the wavefront compensation device based on the detection result, the detection means being detected by the detection means If the Ruzure information is out of the allowable range, temporarily stops the feedback control, characterized in that it comprises a control means for resuming the feedback control when the shift information is returned within the permissible range A fundus imaging device with wavefront compensation.
眼底撮像光学系により連続的に撮像される眼底像を動画として出力する表示手段を備えることを特徴とする波面補償付眼底撮影装置。 The fundus imaging apparatus according to claim 1,
A fundus photographing apparatus with wavefront compensation comprising display means for outputting a fundus image continuously captured by a fundus imaging optical system as a moving image.
さらに、前記ずれ情報が許容範囲内に収まるように前記検出光学系と被検眼との位置関係を相対的に調整する位置調整手段を備えることを特徴とする波面補償付眼底撮影装置。 The fundus photographing apparatus according to claim 2,
Further, the fundus photographing apparatus with wavefront compensation includes a position adjusting unit that relatively adjusts a positional relationship between the detection optical system and the eye to be examined so that the deviation information is within an allowable range.
前記制御手段は、フィードバック制御を停止させるとき、前記波面収差補償デバイスによる収差補償量を，前記ずれ情報が許容範囲内を外れた前の収差補償量で保持することを特徴とする波面補償付眼底撮影装置。 The fundus imaging apparatus according to claim 3,
Wherein, when stopping the feedback control, the wavefront aberration compensating the aberration compensation amount by the device, the deviation information fundus with wavefront compensation, characterized in that retaining aberration compensation amount before an off-the acceptable range Shooting device.
前記波面補償デバイスの波面制御情報を記憶する記憶手段と、を備え、
前記制御手段は、前記ずれ情報が許容範囲内に収まっている場合の波面制御情報を前記記憶手段に記憶させ、前記ずれ情報が許容範囲内に復帰した場合、前記波面補償デバイスの波面制御情報を前記波面補償デバイスへ反映させることを特徴とする波面補償付眼底撮影装置。 The fundus imaging apparatus according to claim 3,
Storage means for storing wavefront control information of the wavefront compensation device,
The control means stores the wavefront control information when the deviation information is within an allowable range in the storage means, and when the deviation information is restored within the allowable range, the wavefront control information of the wavefront compensation device is stored. A fundus photographing apparatus with wavefront compensation, which is reflected in the wavefront compensation device.
前記眼底撮像光学系の光路中に配置され、入射光の波面を制御して被検眼の波面収差を補償する波面補償デバイスと、A wavefront compensation device that is disposed in the optical path of the fundus imaging optical system and that controls the wavefront of incident light to compensate the wavefront aberration of the eye to be examined;
被検眼眼底に向けて測定光を投光し、その眼底からの反射光を波面センサにより検出する波面収差検出光学系と、A wavefront aberration detection optical system that projects measurement light toward the fundus of the subject's eye and detects reflected light from the fundus by a wavefront sensor;
前記波面センサからの検出信号に基づく被検者眼の波面収差の検出と、その検出結果に基づく前記波面補償デバイスの制御とを繰り返すフィードバック制御を行う制御手段であって、予め、記憶手段に記憶された波面制御情報にて波面補償デバイスを制御した後、フィードバック制御を再開させる制御手段と、を備えることを特徴とする波面補償付眼底撮影装置。 Control means for performing feedback control that repeats detection of the wavefront aberration of the subject's eye based on the detection signal from the wavefront sensor and control of the wavefront compensation device based on the detection result, which is stored in the storage means in advance And a control means for resuming feedback control after controlling the wavefront compensation device with the wavefront control information thus obtained.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010247900A JP5727197B2 (en) | 2010-11-04 | 2010-11-04 | Fundus imaging device with wavefront compensation |
| US13/286,357 US8801178B2 (en) | 2010-11-04 | 2011-11-01 | Fundus photographing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010247900A JP5727197B2 (en) | 2010-11-04 | 2010-11-04 | Fundus imaging device with wavefront compensation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012095924A JP2012095924A (en) | 2012-05-24 |
| JP2012095924A5 true JP2012095924A5 (en) | 2013-12-12 |
| JP5727197B2 JP5727197B2 (en) | 2015-06-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6074241B2 (en) * | 2012-11-29 | 2017-02-01 | キヤノン株式会社 | Compensation optical apparatus, imaging apparatus, compensation optical apparatus control method, and program |
| JP6116227B2 (en) * | 2012-12-14 | 2017-04-19 | キヤノン株式会社 | Aberration measuring apparatus and method |
| JP6102369B2 (en) * | 2013-03-14 | 2017-03-29 | 株式会社ニデック | Fundus photographing device |
| JP6651747B2 (en) * | 2015-09-02 | 2020-02-19 | 株式会社ニデック | Scanning laser ophthalmoscope |
| JP6556179B2 (en) * | 2017-03-22 | 2019-08-07 | キヤノン株式会社 | Aberration measuring apparatus and method |
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| US5777719A (en) * | 1996-12-23 | 1998-07-07 | University Of Rochester | Method and apparatus for improving vision and the resolution of retinal images |
| FR2791548B1 (en) * | 1999-04-01 | 2001-07-06 | Univ Paris Vii Denis Diderot | DEVICE FOR OBSERVING A HIGH RESOLUTION BODY |
| JP4510534B2 (en) * | 2004-06-22 | 2010-07-28 | 株式会社トプコン | Optical characteristic measuring device and fundus image observation device |
| WO2007020334A1 (en) * | 2005-08-18 | 2007-02-22 | Imagine Eyes | Method and system for correcting aberrations of the eye for an ophthalmic instrument |
| GB2429522A (en) * | 2005-08-26 | 2007-02-28 | Univ Kent Canterbury | Optical mapping apparatus |
| JP4822331B2 (en) * | 2006-06-22 | 2011-11-24 | 株式会社トプコン | Ophthalmic equipment |
| JP5511323B2 (en) * | 2009-11-17 | 2014-06-04 | キヤノン株式会社 | Compensating optical device, compensating optical method, imaging device, and imaging method |
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