CN110353623A - A kind of quantitative detection vision fine-tunes device and the application of ability - Google Patents
A kind of quantitative detection vision fine-tunes device and the application of ability Download PDFInfo
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- CN110353623A CN110353623A CN201910758861.9A CN201910758861A CN110353623A CN 110353623 A CN110353623 A CN 110353623A CN 201910758861 A CN201910758861 A CN 201910758861A CN 110353623 A CN110353623 A CN 110353623A
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- 230000004438 eyesight Effects 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 206010018325 Congenital glaucomas Diseases 0.000 claims abstract description 20
- 206010012565 Developmental glaucoma Diseases 0.000 claims abstract description 20
- 208000007157 Hydrophthalmos Diseases 0.000 claims abstract description 20
- 201000001024 buphthalmos Diseases 0.000 claims abstract description 20
- 210000004087 cornea Anatomy 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 3
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- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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Abstract
The present invention proposes that a kind of quantitative detection vision fine-tunes the device of ability, including right-angled intersection cylindrical mirror, sighting target hanger bar and dedicated test sighting target, right-angled intersection cylindrical mirror is mounted on the right and left eyes viewing window of comprehensive optometry instrument, the axle position of right-angled intersection cylindrical mirror is 90 °, one end of sighting target hanger bar is fixed on comprehensive optometry instrument and is horizontally disposed with, and dedicated test sighting target is suspended on the buphthalmos in sighting target hanger bar and with comprehensive optometry instrument at a distance of 40cm；Right-angled intersection cylindrical mirror includes positioning side, right-angled intersection eyeglass and cross eyeglass cylinder.The present invention makes examinee observe the dedicated test sighting target of different refractive diopters under conditions of complete correction by right-angled intersection cylindrical mirror combination sighting target hanger bar and dedicated test sighting target, and the vision for obtaining examinee fine-tunes ability.
Description
Technical field
The present invention relates to ophthalmology and eye to regard light technical field, and especially a kind of quantitative detection vision fine-tunes ability
Device and application.
Background technique
Currently, ophthalmology and eye regard optical arena, in visual capacity inspection measurement, often can not quantitative detection vision it is fine
Regulating power.
In optometry field, so that image is moved forward or is moved back by convex lens or concavees lens is a rudimentary knowledge, if in water
As soon as square to placement convex cylindrical lenses, then the lines of vertical direction will appear Forward, if vertical direction placement one recessed cylindrical mirror,
Then the lines of horizontal direction, which just will appear, moves back, if the recessed cylindrical mirror of the convex cylindrical lenses of horizontal setting and positioned vertical pacified simultaneously
It sets, then the line that can generate the line Forward horizontal direction of vertical direction moves back, and this two cylindrical mirrors superposition can be fabricated to one ten
Word crossed cylinder lens.
Human eye has the ability of aberration in adjustment, that is, fine-tunes ability, however this ability of fine-tuning is each
There is certain difference between people, is mainly manifested in the clear level of image discrimination, such as same vision correction, some people are most
Height is corrected defects of vision 1.0 or 1.2.And can be remedied to 2.0 even higher by some people.
Although making some rough detections of " C " word or " E " word sighting target at present, rational judgment eye can not be really carried out
Fine-tune ability, if the detection sighting target that we be superimposeds with horizontal line group with one using vertical line group, by different in the wrong
The cross column sem observation sighting target of luminosity number can be with if lines both vertically and horizontally can be seen completely
Judge that this at least had such refractive diopter fine-tunes ability, when the continuous increasing with right-angled intersection cylindrical mirror refractive diopter
Greatly, when that can not can see lines horizontally and vertically simultaneously again, then it is so big to illustrate that this has not had
Ability is fine-tuned, detection in this way, quantitative detection vision may be implemented completely and fine-tune ability for we, be ophthalmology
Vision Health eyesight is targetedly carried out with optometry field promotes progress scientific guidance.
Summary of the invention
Technical problem solved by the invention is to provide the device that a kind of quantitative detection vision fine-tunes ability, passes through
Right-angled intersection cylindrical mirror combination sighting target hanger bar and dedicated test sighting target keep examinee's observation under conditions of complete correction different in the wrong
The dedicated test sighting target of luminosity number, the vision for obtaining examinee fine-tune ability.
The technical solution for realizing the aim of the invention is as follows:
A kind of quantitative detection vision fine-tunes the device of ability, including right-angled intersection cylindrical mirror, sighting target hanger bar and dedicated
Sighting target is detected, two right-angled intersection cylindrical mirrors are separately mounted on the right and left eyes viewing window of comprehensive optometry instrument, right-angled intersection cylindrical mirror
Axle position is 90 °, and one end of sighting target hanger bar is fixed on comprehensive optometry instrument and is horizontally disposed with, and dedicated test sighting target is suspended on sighting target
Buphthalmos in hanger bar and with comprehensive optometry instrument is at a distance of 40cm；Right-angled intersection cylindrical mirror includes positioning side, right-angled intersection eyeglass and ten
Word eyeglass cylinder, cross eyeglass cylinder are hollow cylinder and the center that right-angled intersection cylindrical mirror is arranged in, and positioning side is arranged in right-angled intersection
The edge of cylindrical mirror, the height of cross eyeglass cylinder are greater than the height on positioning side, and the edge of right-angled intersection cylindrical mirror is additionally provided with two card slots,
Central symmetry of two card slots about right-angled intersection cylindrical mirror, the buphthalmos edge for positioning side and comprehensive optometry instrument fit, and cross is handed over
It is carved with corresponding degree on fork eyeglass, cross eyeglass cylinder matches with the right and left eyes viewing window of comprehensive optometry instrument.
Further, quantitative detection vision of the invention fine-tunes the device of ability, and the dedicated test sighting target is white
Color background is equipped with the uniform horizontal black solid line of several spacing and the uniform vertical black solid line of several spacing, and horizontal black
Solid line intersects with vertical black solid line, and the contrast of black solid line and white background is 200: 1.
Further, quantitative detection vision of the invention fine-tunes the device of ability, which is characterized in that horizontal black reality
Line, vertically the quantity of black solid line is 5, and horizontal black solid line, vertically the length of black solid line is 20mm, and diameter is 0.2mm,
Line spacing is 2mm.
Further, quantitative detection vision of the invention fine-tunes the device of ability, which is characterized in that right-angled intersection mirror
The refractive diopter of piece include: ± 0.25D eyeglass, ± 0.50D eyeglass, ± 0.75D eyeglass, ± 1.00D eyeglass, ± 1.25D eyeglass,
± 1.50D eyeglass.
A kind of detection method for the device fine-tuning ability based on any of the above-described quantitative detection vision, including following step
It is rapid:
Step 1: adjusting the horizontal button of buphthalmos of comprehensive optometry instrument, the bubble in horizontal ruler is made to be located at center；
Step 2: pushing button aside, buphthalmos is made to be in remote interpupillary distance state；
Step 3: being adjusted to the data of window by adjusting interpupillary distance button consistent with the interpupillary distance data of examinee；
Step 4: the window's position adjustment knob is allocated to 0；
Step 5: whether adjustment volume button, the cornea for observing examinee by viewing window are tangent with the line of Confucius；
Step 6: correcting refractive diopter by adjusting thick disk, thin disk input concave-sphere, and observed by form hole；
Step 7: inputting cylindrical mirror and axle position data by adjusting cylindrical mirror regulation button, and cylindrical mirror degree is observed by form hole
Number, by observing cylindrical mirror axle position on observation window mouth；
Step 8: two right-angled intersection cylindrical mirrors being respectively disposed on right and left eyes viewing window, and check whether that fitting is firm；
Step 9: sighting target hanger bar being horizontally fixed on comprehensive optometry instrument, dedicated test sighting target is suspended on and hangs sighting target
On hanging rod, determine dedicated test sighting target away from 0.4 meter of buphthalmos according to the mark in sighting target hanger bar；
Step 10: enable examinee observe the dedicated test sighting target hung in sighting target hanger bar by buphthalmos form hole, if by
Inspection person reports that vertical black solid line is clear as horizontal black solid line, then the biggish right-angled intersection cylindrical mirror of degree is replaced, until tested
When person reports that vertical black solid line and horizontal black solid line cannot equally understand simultaneously, then the degree of upper right-angled intersection cylindrical mirror mark
The vision of the as examinee fine-tunes ability.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
1, quantitative detection vision of the invention fine-tune ability apparatus structure it is simple, easy to use, directly cooperation is existing
Some comprehensive optometry instruments use the vision that can quickly detect examinee to fine-tune ability；
2, the device that quantitative detection vision of the invention fine-tunes ability is handed over by using the cross of different refractive diopters
Crutch mirror realizes that the vision of quantitative detection examinee fine-tunes ability.
Detailed description of the invention
Fig. 1 is the dedicated test sighting target figure for the device that quantitative detection vision of the invention fine-tunes ability；
Fig. 2 is the structure chart of the right-angled intersection cylindrical mirror for the device that quantitative detection vision of the invention fine-tunes ability；
Fig. 3 is the design drawing of the right-angled intersection cylindrical mirror for the device that quantitative detection vision of the invention fine-tunes ability；
Fig. 4 is the plug-in schematic diagram for the device that quantitative detection vision of the invention fine-tunes ability；
Fig. 5 is the usage state diagram for the device that quantitative detection vision of the invention fine-tunes ability.
Appended drawing reference meaning: 1: the horizontal button of buphthalmos, 2: interpupillary distance button, 3: the window's position adjustment knob, 4: thick disk, 5: thin disk,
6: viewing window, 7: cylindrical mirror regulation button, 8: form hole, 9: button, 10: right and left eyes viewing window, 11: sighting target hanger bar, 12: form
Hole, 13: mark, 14: button, 15: horizontal ruler, 17: window, 18: right-angled intersection cylindrical mirror, 19: positioning side, 20: right-angled intersection mirror
Piece, 21: cross eyeglass cylinder, 22: dedicated test sighting target.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
A kind of quantitative detection vision fine-tunes the device of ability, as shown in figure 5, including right-angled intersection cylindrical mirror 18, sighting target
Hanger bar 11 and dedicated test sighting target 22.Two right-angled intersection cylindrical mirrors 18 are separately mounted to the right and left eyes viewing window of comprehensive optometry instrument
On 10, the axle position of right-angled intersection cylindrical mirror 18 is 90 °, and one end of sighting target hanger bar 11 is fixed on comprehensive optometry instrument and level is set
It sets, dedicated test sighting target 22 is suspended on the buphthalmos in sighting target hanger bar 11 and with comprehensive optometry instrument at a distance of 40cm.
As shown in Figure 2,3, right-angled intersection cylindrical mirror 18 includes positioning side 19, right-angled intersection eyeglass 20 and cross eyeglass cylinder 21.
Cross eyeglass cylinder 21 is hollow cylinder and the center that right-angled intersection cylindrical mirror 18 is arranged in, and positioning side 19 is arranged in right-angled intersection cylindrical mirror
18 edge, the height of cross eyeglass cylinder 21 are greater than the height on positioning side 19.The edge of right-angled intersection cylindrical mirror 18 is additionally provided with two
Card slot 22, central symmetry of two card slots 22 about right-angled intersection cylindrical mirror 18.Position the buphthalmos edge on side 19 and comprehensive optometry instrument
Fit, can guarantee the axle position all-the-time stable of every group of right-angled intersection cylindrical mirror in this way, will not because of operator fault and influence
Actually detected effect.Corresponding degree, the right and left eyes of cross eyeglass cylinder 21 and comprehensive optometry instrument are carved on right-angled intersection eyeglass 20
Viewing window 10 matches.
The specification of right-angled intersection eyeglass 20 includes:
A, ± 0.25 eyeglass (i.e.+0.25/-0.50 × 90 °)；
B, ± 0.50 eyeglass (i.e.+0.50/-1.00 × 90 °)；
C, ± 0.75 eyeglass (i.e.+0.75/-1.50 × 90 °)；
D, ± 1.00 eyeglass (i.e.+1.00/-2.00 × 90 °)；
E, ± 1.25 eyeglass (i.e.+1.25/-2.50 × 90 °)；
F, ± 1.50 eyeglass (i.e.+1.50/-3.00 × 90 °).
Dedicated test sighting target 22 is white background, as shown in Figure 1, be equipped with the uniform horizontal black solid line of several spacing with
The uniform vertical black solid line of several spacing, and horizontal black solid line intersects with vertical black solid line, black solid line and white background
Contrast is 200: 1.Wherein, horizontal black solid line, vertical black solid line quantity be 5, horizontal black solid line, vertical black solid line
Length is 20mm, and diameter is 0.2mm, and line spacing is 2mm.
A kind of detection method fine-tuning capability device based on above-mentioned quantitative detection vision, as shown in figure 4, including following
Step:
Step 1: adjusting the horizontal button 1 of buphthalmos of comprehensive optometry instrument, the bubble in horizontal ruler 15 is made to be located at center；
Step 2: pushing button 14 aside, buphthalmos is made to be in remote interpupillary distance state；
Step 3: being adjusted to the data of window 17 by adjusting interpupillary distance button 2 consistent with the interpupillary distance data of examinee；
Step 4: the window's position adjustment knob 3 is allocated to 0；
Step 5: whether adjustment volume button 9, the cornea for observing examinee by viewing window 6 are tangent with the line of Confucius；
Step 6: inputting concave-sphere by adjusting thick disk 4, thin disk 5 and correct refractive diopter, and observed by form hole 12；
Step 7: inputting cylindrical mirror and axle position data by adjusting cylindrical mirror regulation button 7, and cylindrical mirror degree is observed by form hole 8
Number, by observing cylindrical mirror axle position on observation window mouth 10；
Step 8: two right-angled intersection cylindrical mirrors 18 being respectively disposed on right and left eyes viewing window 10, and check whether that fitting is steady
Gu；
Step 9: sighting target hanger bar 11 being horizontally fixed on comprehensive optometry instrument, dedicated test sighting target 22, which is suspended on, to be regarded
It marks in hanger bar 11, determines dedicated test sighting target 22 away from 0.4 meter of buphthalmos according to the mark 13 in sighting target hanger bar 11；
Step 10: enable examinee observe the dedicated test sighting target 22 hung in sighting target hanger bar 11 by buphthalmos form hole,
If examinee reports that vertical black solid line is clear as horizontal black solid line, the biggish right-angled intersection cylindrical mirror 18 of degree is replaced, directly
When reporting that vertical black solid line and horizontal black solid line cannot equally understand simultaneously to examinee, then a upper right-angled intersection cylindrical mirror 18 is marked
The degree of knowledge is that the vision of the examinee fine-tunes ability.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement should be regarded as guarantor of the invention
Protect range.
Claims (5)
1. the device that a kind of quantitative detection vision fine-tunes ability, which is characterized in that including right-angled intersection cylindrical mirror (18), sighting target
Hanger bar (11) and dedicated test sighting target (22), two right-angled intersection cylindrical mirrors (18) are separately mounted to the right and left eyes of comprehensive optometry instrument
On viewing window (10), the axle position of right-angled intersection cylindrical mirror (18) is 90 °, and one end of sighting target hanger bar (11) is fixed on comprehensive optometry instrument
It is upper and horizontally disposed, dedicated test sighting target (22) be suspended on sighting target hanger bar (11) and with the buphthalmos of comprehensive optometry instrument apart
40cm；
Right-angled intersection cylindrical mirror (18) includes positioning side (19), right-angled intersection eyeglass (20) and cross eyeglass cylinder (21), cross eyeglass
Cylinder (21) is hollow cylinder and is arranged in the center of right-angled intersection cylindrical mirror (18), positions side (19) and is arranged in right-angled intersection cylindrical mirror
(18) edge, the height of cross eyeglass cylinder (21) are greater than the height of positioning side (19), and the edge of right-angled intersection cylindrical mirror (18) is also
If there are two card slot (22), central symmetry of two card slots (22) about right-angled intersection cylindrical mirror (18) is positioned side (19) and comprehensive
The buphthalmos edge of optometry unit fits, and corresponding degree, cross eyeglass cylinder (21) and synthesis are carved on right-angled intersection eyeglass (20)
The right and left eyes viewing window (10) of optometry unit matches.
2. the device that quantitative detection vision according to claim 1 fine-tunes ability, which is characterized in that the dedicated inspection
Surveying sighting target (22) is white background, is equipped with the uniform horizontal black solid line of several spacing and several spacing are uniform vertical black
Solid line, and horizontal black solid line intersects with vertical black solid line, the contrast of black solid line and white background is 200: 1.
3. the device that quantitative detection vision according to claim 2 fine-tunes ability, which is characterized in that horizontal black reality
Line, vertically the quantity of black solid line is 5, and horizontal black solid line, vertically the length of black solid line is 20mm, and diameter is 0.2mm,
Line spacing is 2mm.
4. the device that quantitative detection vision according to claim 1 fine-tunes ability, which is characterized in that right-angled intersection mirror
The refractive diopter of piece (20) includes: ± 0.25D eyeglass, ± 0.50D eyeglass, ± 0.75D eyeglass, ± 1.00D eyeglass, ± 1.25D
Eyeglass, ± 1.50D eyeglass.
5. a kind of quantitative detection vision any based on claim 1-4 fine-tunes the detection method of the device of ability, special
Sign is, comprising the following steps:
Step 1: adjusting the horizontal button of buphthalmos (1) of comprehensive optometry instrument, the bubble in horizontal ruler (15) is made to be located at center；
Step 2: pushing button (14) aside, buphthalmos is made to be in remote interpupillary distance state；
Step 3: being adjusted to the data of window (17) by adjusting interpupillary distance button (2) consistent with the interpupillary distance data of examinee；
Step 4: the window's position adjustment knob (3) is allocated to 0；
Step 5: whether adjustment volume button (9), the cornea for observing examinee by viewing window (6) are tangent with the line of Confucius；
Step 6: correcting refractive diopter by adjusting thick disk (4), thin disk (5) input concave-sphere, and observed by form hole (12)；
Step 7: inputting cylindrical mirror and axle position data by adjusting cylindrical mirror regulation button (7), and observe cylindrical mirror degree by form hole (8)
Number, by observing cylindrical mirror axle position on observation window mouth (10)；
Step 8: two right-angled intersection cylindrical mirrors (18) being respectively disposed on right and left eyes viewing window (10), and check whether that fitting is steady
Gu；
Step 9: sighting target hanger bar (11) being horizontally fixed on comprehensive optometry instrument, dedicated test sighting target (22) is suspended on and will be regarded
It marks on hanger bar (11), determines dedicated test sighting target (22) away from 0.4 meter of buphthalmos according to the mark (13) on sighting target hanger bar (11)；
Step 10: enable examinee observe the dedicated test sighting target (22) hung on sighting target hanger bar (11) by buphthalmos form hole,
If examinee reports that vertical black solid line is clear as horizontal black solid line, the biggish right-angled intersection cylindrical mirror (18) of degree is replaced,
When examinee reports vertical black solid line and horizontal black solid line cannot equally understand simultaneously, then a upper right-angled intersection cylindrical mirror
(18) degree identified is that the vision of the examinee fine-tunes ability.
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