JP2019134908A5 - - Google Patents

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JP2019134908A5
JP2019134908A5 JP2018018727A JP2018018727A JP2019134908A5 JP 2019134908 A5 JP2019134908 A5 JP 2019134908A5 JP 2018018727 A JP2018018727 A JP 2018018727A JP 2018018727 A JP2018018727 A JP 2018018727A JP 2019134908 A5 JP2019134908 A5 JP 2019134908A5
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Japan
Prior art keywords
oct
optical system
control means
inspected
eye
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JP2018018727A
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JP7187777B2 (en
JP2019134908A (en
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Claims (6)

被検眼を撮影するOCT装置であって、
波長掃引型光源から出射された測定光が前記被検眼によって反射した反射光と、前記測定光に対応する参照光と、の干渉状態に基づいてOCT信号を取得するOCT光学系と、
前記OCT光学系のフォーカス位置を、前記OCT光学系の光軸方向に調整する調整手段と、
前記調整手段を制御する制御手段と、を備え、
前記制御手段は、前記フォーカス位置を、前記OCT光学系のゼロディレイ位置とは前記光軸方向に異なる位置に配置させることを特徴とするOCT装置。
It is an OCT device that photographs the eye to be inspected.
An OCT optical system that acquires an OCT signal based on an interference state between the reflected light emitted from the wavelength sweep type light source and reflected by the eye to be inspected and the reference light corresponding to the measurement light.
An adjusting means for adjusting the focus position of the OCT optical system in the optical axis direction of the OCT optical system, and
A control means for controlling the adjusting means is provided.
The control means is an OCT apparatus characterized in that the focus position is arranged at a position different from the zero delay position of the OCT optical system in the optical axis direction.
前記制御手段は、前記フォーカス位置を水晶体後面付近に配置させることを特徴とする請求項1のOCT装置。 The OCT apparatus according to claim 1, wherein the control means arranges the focus position near the rear surface of the crystalline lens. 前記制御手段は、前記ゼロディレイ位置を角膜、または前記角膜と前記OCT装置の間に配置させることを特徴とする請求項1または2のOCT装置。 The OCT apparatus according to claim 1 or 2, wherein the control means arranges the zero delay position between the cornea or the cornea and the OCT apparatus. 前記制御手段は、前記被検眼に応じてフォーカス位置を変化させることを特徴とする請求項1〜3のいずれかのOCT装置。 The OCT apparatus according to any one of claims 1 to 3, wherein the control means changes the focus position according to the eye to be inspected. 前記制御手段は、フォーカス位置を変化させながら取得した複数のOCT信号をマージすることを特徴とする請求項4のOCT装置。 The OCT apparatus according to claim 4, wherein the control means merges a plurality of acquired OCT signals while changing the focus position. 被検眼を撮影するOCT装置において実行されるOCT制御プログラムであって、前記OCT装置のプロセッサによって実行されることで、
OCT光学系を制御し、波長掃引型光源から出射された測定光が前記被検眼によって反射した反射光と、前記測定光に対応する参照光と、の干渉状態に基づいてOCT信号を取得する取得ステップと、
前記OCT光学系のフォーカス位置をゼロディレイ位置とは光軸方向に異なる位置に配置する調整ステップと、
を前記OCT装置に実行させることを特徴とするOCT制御プログラム。
It is an OCT control program executed in the OCT apparatus for photographing the eye to be inspected, and is executed by the processor of the OCT apparatus.
Acquisition that controls the OCT optical system and acquires an OCT signal based on the interference state of the measurement light emitted from the wavelength sweep type light source reflected by the eye to be inspected and the reference light corresponding to the measurement light. Steps and
An adjustment step of arranging the focus position of the OCT optical system at a position different from the zero delay position in the optical axis direction, and
The OCT control program, characterized in that the OCT apparatus is executed.
JP2018018727A 2018-02-05 2018-02-05 OCT device and OCT control program Active JP7187777B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018018727A JP7187777B2 (en) 2018-02-05 2018-02-05 OCT device and OCT control program

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Application Number Priority Date Filing Date Title
JP2018018727A JP7187777B2 (en) 2018-02-05 2018-02-05 OCT device and OCT control program

Publications (3)

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JP2019134908A JP2019134908A (en) 2019-08-15
JP2019134908A5 true JP2019134908A5 (en) 2021-02-12
JP7187777B2 JP7187777B2 (en) 2022-12-13

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JP2018018727A Active JP7187777B2 (en) 2018-02-05 2018-02-05 OCT device and OCT control program

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114847868B (en) * 2022-05-06 2024-05-03 山东探微医疗技术有限公司 Focusing assembly, intermittent focusing scanning and automatic focusing OCT device and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4619694B2 (en) * 2004-06-08 2011-01-26 株式会社ニデック Ophthalmic measuring device
JP2007101250A (en) * 2005-09-30 2007-04-19 Fujifilm Corp Optical tomographic imaging method
JP5339934B2 (en) * 2009-01-22 2013-11-13 キヤノン株式会社 Optical tomographic imaging apparatus and optical tomographic imaging method
JP6075755B2 (en) * 2012-11-19 2017-02-08 株式会社トプコン Optical image measuring device
CN105530853B (en) * 2013-07-25 2018-12-04 光学医疗公司 The original position of the refractive index of substance is determined
JP6442903B2 (en) * 2014-07-31 2018-12-26 株式会社ニデック Ophthalmic equipment
JP6484949B2 (en) * 2014-07-31 2019-03-20 株式会社ニデック Ophthalmic equipment
JP6603545B2 (en) * 2015-10-29 2019-11-06 株式会社トプコン Ophthalmic equipment
JP6294423B2 (en) * 2016-09-08 2018-03-14 株式会社トーメーコーポレーション Ophthalmic equipment

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