CN105942970A - Binocular wave front aberration vision optical analysis system - Google Patents
Binocular wave front aberration vision optical analysis system Download PDFInfo
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- CN105942970A CN105942970A CN201610530528.9A CN201610530528A CN105942970A CN 105942970 A CN105942970 A CN 105942970A CN 201610530528 A CN201610530528 A CN 201610530528A CN 105942970 A CN105942970 A CN 105942970A
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- spectroscope
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- amici prism
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/1015—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for wavefront analysis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
Abstract
The invention relates to a binocular wave front aberration vision optical analysis system, relates to the technical field of medical optics, and is used for achieving the technical effect of correcting binocular aberration. The system comprises a laser light source, a right eye subsystem and a left eye subsystem, wherein the right eye subsystem forms one right eye reference light path and one right eye measurement and correction light path through a right first spectroscope, a right dispersion prism, a right flat mirror, a right anamorphoscope, a right second spectroscope, a right Hartmann-Shack sensor, a right eye vision object, a right reflection unit, a right beam expanding unit, and a right beam shrinking unit; the left eye subsystem forms one left eye reference light path and one left eye measurement and correction light path through a left first spectroscope, a left dispersion prism, a left flat mirror, a left anamorphoscope, a left second spectroscope, a left Hartmann-Shack sensor, a left eye vision object, a left reflection unit, a left beam expanding unit, and a left beam shrinking unit. By adopting the system, the measurement and correction of binocular aberration can be realized.
Description
Technical field
The present invention relates to medical optical technology, particularly relate to the technology of a kind of eyes wave front aberration visual optics analysis system.
Background technology
The mankind are typically to utilize Binocular vison thing, visual acuity during Binocular vison thing and contrast sensitivity respectively than mono-vision thing time improve about 1.1 times and 1.4 times.But, stereopsis vision quality is not exclusively determined by the neural factors of visual system, and also depending on the difference of two optics of the eye image quality, the difference of the higher order aberratons between two, the difference of cornea shape, the difference of this optical aberration is common in postoperative.Generally, along with the difference of the optical quality between two increases, the reduction of stereopsis vision quality can be caused.
As the most generally applicable objective wave front analyzer of one, the main principle of Hartmann shark wavefront analyzer is that the wave surface returned from fundus reflex forms, through microlens array, the array that a focus point is formed.But Hartmann shark wavefront analyzer can only measure simple eye wavefront aberration data, for binocular disparity rectification without reference to.
Summary of the invention
For defect present in above-mentioned prior art, the technical problem to be solved is to provide a kind of measurement that can realize binocular disparity, and the eyes wave front aberration visual optics analysis system can corrected binocular disparity.
In order to solve above-mentioned technical problem, a kind of eyes wave front aberration visual optics analysis system provided by the present invention, it is characterised in that: include LASER Light Source, right eye subsystem, left eye subsystem；
Described right eye subsystem is provided with a right eye and gathers station, right eye subsystem includes right wing the first spectroscope, right wing Amici prism, right wing plane mirror, right wing distorting lens, right wing the second spectroscope, right wing hartmann shack sensor, right eye sighting target, and the right wing reflector element being made up of multiple reflecting mirrors, unit is expanded, for reducing the right wing contracting Shu Danyuan of beam diameter for increasing the right wing of beam diameter；
Described left eye subsystem is provided with a left eye and gathers station, left eye subsystem includes left the first spectroscope, left Amici prism, left plane mirror, left distorting lens, left the second spectroscope, left hartmann shack sensor, left eye sighting target, and the left reflector element being made up of multiple reflecting mirrors, unit is expanded, for reducing the left contracting Shu Danyuan of beam diameter for increasing the left of beam diameter；
Right eye subsystem has a right eye reference path and a right eye is measured and corrected light path；Left eye subsystem has a left eye reference path and a left eye is measured and corrected light path；
The light channel structure of right eye reference path is: from LASER Light Source, arrive right eye through right wing the first spectroscope and gather station, station is gathered again from right eye, expand unit through right wing the first spectroscope, right wing reflector element, right wing successively, right wing Amici prism, right wing plane mirror, right wing Amici prism, right wing contracting Shu Danyuan arrive right wing the second spectroscope, it is divided into two-way again by right wing the second spectroscope, the first via that right wing the second spectroscope separates arrives right wing hartmann shack sensor, and the second tunnel that right wing the second spectroscope separates arrives right eye sighting target；
Right eye measures the light channel structure of rectification light path: from LASER Light Source, expand unit through right wing the first spectroscope, right wing reflector element, right wing successively, right wing Amici prism, right wing distorting lens, right wing Amici prism, right wing contracting Shu Danyuan arrive right wing the second spectroscope, it is divided into two-way again by right wing the second spectroscope, the first via that right wing the second spectroscope separates arrives right wing hartmann shack sensor, and the second tunnel that right wing the second spectroscope separates arrives right eye sighting target；
The light channel structure of left eye reference path is: from LASER Light Source, successively through right wing the first spectroscope, left the first spectroscope arrives left eye and gathers station, station is gathered again from left eye, successively through left the first spectroscope, left reflector element, left expands unit, left Amici prism, left plane mirror, left Amici prism, left contracting Shu Danyuan arrives left the second spectroscope, it is divided into two-way again by left the second spectroscope, the first via that left the second spectroscope separates arrives left hartmann shack sensor, the second tunnel that left the second spectroscope separates arrives left eye sighting target；
Left eye measures the light channel structure of rectification light path: from LASER Light Source, expand unit through right wing the first spectroscope, left the first spectroscope, left reflector element, left successively, left Amici prism, left distorting lens, left Amici prism, left contracting Shu Danyuan arrive left the second spectroscope, it is divided into two-way again by left the second spectroscope, the first via that left the second spectroscope separates arrives left hartmann shack sensor, and the second tunnel that left the second spectroscope separates arrives left eye sighting target.
The eyes wave front aberration visual optics analysis system that the present invention provides, adaptive optics principle is combined with hartmann shack sensor, realize the measurement of binocular disparity, and by the way of adjusting distorting lens, binocular disparity is corrected, objective correction result can be fed back by measured in real time, such that it is able to be optimum state by vision correction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the eyes wave front aberration visual optics analysis system of the embodiment of the present invention.
Detailed description of the invention
Illustrate embodiments of the invention are described in further detail below in conjunction with accompanying drawing; but the present embodiment is not limited to the present invention; the analog structure of every employing present invention and similar change thereof, all should list protection scope of the present invention in, and the pause mark in the present invention all represents the relation of sum.
As it is shown in figure 1, a kind of eyes wave front aberration visual optics analysis system that the embodiment of the present invention is provided, it is characterised in that: include LASER Light Source 4, right eye subsystem, left eye subsystem；
Described right eye subsystem is provided with a right eye and gathers station 31, right eye subsystem includes right wing the first spectroscope 10, right wing Amici prism 15, right wing plane mirror 13, right wing distorting lens 14, right wing the second spectroscope 17, right wing hartmann shack sensor 19, right eye sighting target 18, and the right wing reflector element 11 being made up of multiple reflecting mirrors (in this example being 2), unit 12 is expanded, for reducing the right wing contracting Shu Danyuan 16 of beam diameter for increasing the right wing of beam diameter；
Described left eye subsystem is provided with a left eye and gathers station 32, left eye subsystem includes left the first spectroscope 20, left Amici prism 25, left plane mirror 23, left distorting lens 24, left the second spectroscope 27, left hartmann shack sensor 29, left eye sighting target 28, and the left reflector element 21 being made up of multiple reflecting mirrors (in this example being 2), unit 22 is expanded, for reducing the left contracting Shu Danyuan 26 of beam diameter for increasing the left of beam diameter；
Right eye subsystem has a right eye reference path and a right eye is measured and corrected light path；Left eye subsystem has a left eye reference path and a left eye is measured and corrected light path；
The light channel structure of right eye reference path is: from LASER Light Source 4s, arrive right eye through right wing the first spectroscope 10 and gather station 31, station 31s are gathered again from right eye, successively through right wing the first spectroscope 10, right wing reflector element 11, right wing expands unit 12, right wing Amici prism 15, right wing plane mirror 13, right wing Amici prism 15, right wing contracting Shu Danyuan 16 arrives right wing the second spectroscope 17, it is divided into two-way again by right wing the second spectroscope 17, the first via that right wing the second spectroscope 17 separates arrives right wing hartmann shack sensor 19, the second tunnel that right wing the second spectroscope 17 separates arrives right eye sighting target 18；
Right eye measures the light channel structure of rectification light path: from LASER Light Source 4s, expand unit 12 through right wing the first spectroscope 10, right wing reflector element 11, right wing successively, right wing Amici prism 15, right wing distorting lens 14, right wing Amici prism 15, right wing contracting Shu Danyuan 16 arrive right wing the second spectroscope 17, it is divided into two-way again by right wing the second spectroscope 17, the first via that right wing the second spectroscope 17 separates arrives right wing hartmann shack sensor 19, and the second tunnel that right wing the second spectroscope 17 separates arrives right eye sighting target 18；
The light channel structure of left eye reference path is: from LASER Light Source 4s, successively through right wing the first spectroscope 10, left the first spectroscope 20 arrives left eye and gathers station 32, station 32s are gathered again from left eye, successively through left the first spectroscope 20, left reflector element 21, left expands unit 22, left Amici prism 25, left plane mirror 23, left Amici prism 25, left contracting Shu Danyuan 26 arrives left the second spectroscope 27, it is divided into two-way again by left the second spectroscope 27, the first via that left the second spectroscope 27 separates arrives left hartmann shack sensor 29, the second tunnel that left the second spectroscope 27 separates arrives left eye sighting target 28；
Left eye measures the light channel structure of rectification light path: from LASER Light Source 4s, expand unit 22 through right wing the first spectroscope 10, left the first spectroscope 20, left reflector element 21, left successively, left Amici prism 25, left distorting lens 24, left Amici prism 25, left contracting Shu Danyuan 26 arrive left the second spectroscope 27, it is divided into two-way again by left the second spectroscope 27, the first via that left the second spectroscope 27 separates arrives left hartmann shack sensor 29, and the second tunnel that left the second spectroscope 27 separates arrives left eye sighting target 28.
In the embodiment of the present invention, described right wing expands unit, left expands unit and is respectively made up of the lens that two focal lengths are different and confocal, and the lens that focal length is little are positioned at light incident side, owing to eye pupil bore is less, and the bore of right wing distorting lens, left distorting lens is bigger, the small diameter optical beam gathering station from right eye expands expanding of unit by right wing, can match with the bore of right wing distorting lens, the small diameter optical beam gathering station from left eye expands expanding of unit by left, can match with the bore of left distorting lens.
In the embodiment of the present invention, described right wing contracting Shu Danyuan, left contracting Shu Danyuan is respectively made up of the lens that two focal lengths are different and confocal, and the lens that focal length is big are positioned at light incident side, due to right wing distorting lens, the bore of left distorting lens is bigger, and right wing hartmann shack sensor, the bore of left hartmann shack sensor is less, from the major diameter light beam of the right wing distorting lens contracting bundle by right wing contracting Shu Danyuan, can match with the bore of right wing hartmann shack sensor, from the major diameter light beam of the left distorting lens contracting bundle by left contracting Shu Danyuan, can match with the bore of left hartmann shack sensor.
In the embodiment of the present invention, described hartmann shack sensor, right wing distorting lens, left distorting lens are prior art, and right wing distorting lens, left distorting lens use the optical frames that can produce surface configuration change controlling voltage under driving.
The embodiment of the present invention can measure the aberration of right and left eyes simultaneously, and corrects in real time, meets the rectification needs of stereoscopic vision, and its operation principle is as follows:
The eyes making measured are placed in right eye and gather station and left eye collection station, and the light of LASER Light Source outgoing arrives separately at the retina of right eye of measured, retina of left eye through right wing the first spectroscope, left the first spectroscope；
It is conjugate relation that measured's pupil of right eye expands unit with right wing distorting lens by right wing, and right wing distorting lens, right wing plane mirror are conjugate relation by the microlens array on right wing contracting Shu Danyuan and right wing hartmann shack sensor；Therefore, measured's pupil of right eye and the microlens array on right wing hartmann shack sensor are also in conjugate relation；
It is conjugate relation that measured's pupil of left eye expands unit with left distorting lens by left, and left distorting lens, left plane mirror are conjugate relation by the microlens array on left contracting Shu Danyuan and left hartmann shack sensor；Therefore, measured's pupil of left eye and the microlens array on left hartmann shack sensor are also in conjugate relation；
Optical aberration is mainly measured in the effect of right eye reference path and left eye reference path, and right eye measures the effect correcting light path and left eye measurement rectification light path mainly by hartmann shack sensor and distorting lens measurement human eye aberration；
Adjust right wing distorting lens, the mirror surface configuration of left distorting lens, the wave surface that can modulate incident illumination compensates the aberration of eyeball, by to right wing distorting lens, the adjustment of the mirror surface configuration of left distorting lens, right wing hartmann shack sensor, left hartmann shack sensor is made equally distributed focusing array to be detected, it is possible to achieve the objective measurement of wavefront aberration and rectification；
Also can pass through right wing the second spectroscope by the wave surface after compensating right wing distorting lens, left distorting lens, left the second spectroscope projects on right eye sighting target, left eye sighting target respectively, measured is it is observed that right eye sighting target, left eye sighting target, and can the feedback of effect according to the observation the minute surface of right wing distorting lens, left distorting lens be finely adjusted, it is thus possible on the basis of objective measurement result, realize subjective fine setting, to determine the wavefront aberration distribution obtaining the best visual effect.
Claims (1)
1. an eyes wave front aberration visual optics analysis system, it is characterised in that: include LASER Light Source, right eye subsystem, left eye subsystem；
Described right eye subsystem is provided with a right eye and gathers station, right eye subsystem includes right wing the first spectroscope, right wing Amici prism, right wing plane mirror, right wing distorting lens, right wing the second spectroscope, right wing hartmann shack sensor, right eye sighting target, and the right wing reflector element being made up of multiple reflecting mirrors, unit is expanded, for reducing the right wing contracting Shu Danyuan of beam diameter for increasing the right wing of beam diameter；
Described left eye subsystem is provided with a left eye and gathers station, left eye subsystem includes left the first spectroscope, left Amici prism, left plane mirror, left distorting lens, left the second spectroscope, left hartmann shack sensor, left eye sighting target, and the left reflector element being made up of multiple reflecting mirrors, unit is expanded, for reducing the left contracting Shu Danyuan of beam diameter for increasing the left of beam diameter；
Right eye subsystem has a right eye reference path and a right eye is measured and corrected light path；Left eye subsystem has a left eye reference path and a left eye is measured and corrected light path；
The light channel structure of right eye reference path is: from LASER Light Source, arrive right eye through right wing the first spectroscope and gather station, station is gathered again from right eye, expand unit through right wing the first spectroscope, right wing reflector element, right wing successively, right wing Amici prism, right wing plane mirror, right wing Amici prism, right wing contracting Shu Danyuan arrive right wing the second spectroscope, it is divided into two-way again by right wing the second spectroscope, the first via that right wing the second spectroscope separates arrives right wing hartmann shack sensor, and the second tunnel that right wing the second spectroscope separates arrives right eye sighting target；
Right eye measures the light channel structure of rectification light path: from LASER Light Source, expand unit through right wing the first spectroscope, right wing reflector element, right wing successively, right wing Amici prism, right wing distorting lens, right wing Amici prism, right wing contracting Shu Danyuan arrive right wing the second spectroscope, it is divided into two-way again by right wing the second spectroscope, the first via that right wing the second spectroscope separates arrives right wing hartmann shack sensor, and the second tunnel that right wing the second spectroscope separates arrives right eye sighting target；
The light channel structure of left eye reference path is: from LASER Light Source, successively through right wing the first spectroscope, left the first spectroscope arrives left eye and gathers station, station is gathered again from left eye, successively through left the first spectroscope, left reflector element, left expands unit, left Amici prism, left plane mirror, left Amici prism, left contracting Shu Danyuan arrives left the second spectroscope, it is divided into two-way again by left the second spectroscope, the first via that left the second spectroscope separates arrives left hartmann shack sensor, the second tunnel that left the second spectroscope separates arrives left eye sighting target；
Left eye measures the light channel structure of rectification light path: from LASER Light Source, expand unit through right wing the first spectroscope, left the first spectroscope, left reflector element, left successively, left Amici prism, left distorting lens, left Amici prism, left contracting Shu Danyuan arrive left the second spectroscope, it is divided into two-way again by left the second spectroscope, the first via that left the second spectroscope separates arrives left hartmann shack sensor, and the second tunnel that left the second spectroscope separates arrives left eye sighting target.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109683312A (en) * | 2019-01-22 | 2019-04-26 | 中国工程物理研究院激光聚变研究中心 | A kind of adjusting method of adaptive optics system Image relaying relationship |
| CN112587084A (en) * | 2021-03-04 | 2021-04-02 | 季华实验室 | Optical coherent imaging system with real-time adjustable imaging depth |
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Application publication date: 20160921 |