CN105231986A - Dynamic visual acuity testing system and method - Google Patents
Dynamic visual acuity testing system and method Download PDFInfo
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- CN105231986A CN105231986A CN201510783986.9A CN201510783986A CN105231986A CN 105231986 A CN105231986 A CN 105231986A CN 201510783986 A CN201510783986 A CN 201510783986A CN 105231986 A CN105231986 A CN 105231986A
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Abstract
The invention provides a dynamic visual acuity testing system. The system can be used for performing dynamic visual acuity testing on movement of a sighting mark in eight directions, and the qualification degree of a driver on a specific task can be truly reflected. The system comprises a sighting mark movement unit, a result feedback unit and a testing data processing unit, wherein the sighting mark movement unit enables a sighting mark to make uniform linear motion on a display screen according to designated directions including upper, right upper, right, right lower, lower, left lower, left and left upper directions, the size of the sighting mark has 1.6-0.1 levels, one level is arranged every 0.1, and only one level size is arranged in each sighting mark living duration, and the sighting mark starts to move according to the sequence from 1.6 level to 0.1 level, and is stopped moving when a signal of the result feedback unit is received; the result feedback unit is used for receiving the judging result of a tested person in the opening direction of the sighting mark, and transmitting the result to the testing data processing unit; the testing data processing unit is used for comparing the judging result of the result feedback unit with the actual opening direction of the sighting mark to provide a comparison result. The invention further provides a method adopting the system.
Description
Technical field
The invention belongs to the technical field that vision detects, particularly relate to a kind of dynamic visual acuity test macro, and method of testing.
Background technology
The optic resolving power of observer when dynamic visual acuity refers to and there is relative motion between object observing and observer.Can the quality of dynamic visual acuity be closely related with the task that complete under kinestate.Therefore, dynamic visual acuity detects at all kinds of human pilot of inspection, improves in driver training effect and plays an important role.Meanwhile, dynamic visual acuity detects or selects the important step of aircrew, to the flying score improving pilot, improves its fighting efficiency important role.
In traditional dynamic visual acuity test macro, the direction of motion of sighting target immobilizes, all according to direction motion from left to right, and the reaction of all directions that the dynamic visual acuity level of testee is moved for sighting target inconsistent, perhaps testee is more responsive to the sighting target motion on certain direction, but slow to the sighting target motor reaction on other direction.In actual test, some occasion needs to check testee comprehensive dynamic visual acuity level in a plurality of directions, and driver is to particular job task competence level to rely on multi-direction comprehensive dynamic visual acuity index to reflect.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, provides a kind of dynamic visual acuity test macro, and it can realize sighting target from all directions to the test of motion dynamic visual acuity, reflects the competence level of driver to particular job task more truly.
The technical scheme solved the problem is: this dynamic visual acuity test macro, and it comprises:
Sighting target moving cell, its configuration makes sighting target linear uniform motion on a display screen according to assigned direction, assigned direction be upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left, the size of sighting target has 1.6-0.1 grade, at interval of 0.1 1 grades, a sighting target life span only has the size of a grade, sighting target according to from 1.6 grades to the size order setting in motion of 0.1 grade, until receive the signal of result feedback unit and stop motion;
Result feedback unit, its configuration receives the judged result of testee to sighting target opening direction, and sends to test data processing unit;
Test data processing unit, its configuration comes judged result and the sighting target actual aperture direction of comparative result feedback unit, provides comparative result.
Additionally provide a kind of method adopting this dynamic visual acuity test macro, it comprises the following steps:
(1) start;
(2) assigned direction of sighting target motion is obtained;
(3) sighting target moving cell makes sighting target linear uniform motion on a display screen according to assigned direction, assigned direction be upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left, the size of sighting target has 1.6-0.1 grade, at interval of 0.1 1 grades, a sighting target life span only has the size of a grade, sighting target according to from 1.6 grades to the size order setting in motion of 0.1 grade, until receive the signal of result feedback unit and stop motion;
(4) result feedback unit receives testee to the judged result of sighting target opening direction, and sends to test data processing unit;
(5) judged result of test data processing unit comparative result feedback unit and sighting target actual aperture direction, provide comparative result;
(6) terminate.
Dynamic visual acuity test macro of the present invention by make sighting target upper, upper right, the right side, bottom right, under, lower-left, a left side, eight, upper left side move upward and test the dynamic visual acuity of testee, therefore, it is possible to realize sighting target from all directions to the test of motion dynamic visual acuity, reflect the competence level of driver to particular job task more truly.
Accompanying drawing explanation
Fig. 1 is the structural representation according to dynamic visual acuity test macro of the present invention.
Fig. 2 is the flow chart according to dynamic visual acuity method of testing of the present invention.
Fig. 3 shows according to the sighting target direction of motion of the present invention from bottom to top.
Fig. 4 shows the sighting target direction of motion according to the present invention from lower-left to upper right.
Fig. 5 shows according to the sighting target direction of motion of the present invention from left to right.
Fig. 6 shows the sighting target direction of motion according to the present invention from upper left to bottom right.
Fig. 7 shows according to the sighting target direction of motion of the present invention from top to bottom.
Fig. 8 shows the sighting target direction of motion according to the present invention from upper right to lower-left.
Fig. 9 shows the sighting target direction of motion according to the present invention from right-to-left.
Figure 10 shows the sighting target direction of motion according to the present invention from bottom right to upper left.
Detailed description of the invention
As shown in Figure 1, this dynamic visual acuity test macro, it comprises:
Sighting target moving cell, its configuration makes sighting target linear uniform motion on a display screen according to assigned direction, assigned direction be upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left, the size of sighting target has 1.6-0.1 grade, at interval of 0.1 1 grades, a sighting target life span only has the size of a grade, sighting target according to from 1.6 grades to the size order setting in motion of 0.1 grade, until receive the signal of result feedback unit and stop motion;
Result feedback unit, its configuration receives the judged result of testee to sighting target opening direction, and sends to test data processing unit;
Test data processing unit, its configuration comes judged result and the sighting target actual aperture direction of comparative result feedback unit, provides comparative result.
Dynamic visual acuity test macro of the present invention by make sighting target upper, upper right, the right side, bottom right, under, lower-left, a left side, eight, upper left side move upward and test the dynamic visual acuity of testee, therefore, it is possible to realize sighting target from all directions to the test of motion dynamic visual acuity, reflect the competence level of driver to particular job task more truly.
In addition, the pattern of described sighting target is E or C.Testee is facilitated to judge opening direction like this.
In addition, described result feedback unit is a poke rod, its have upper, upper right, the right side, bottom right, under, lower-left, a left side, eight, upper left assigned direction.Like this after testee judges the opening direction of sighting target, stir this poke rod directly to this direction, facilitate testee to use.
In addition, described poke rod has button, this dynamic visual acuity test macro is opened or is closed in its configuration.Switch and using function are integrated on a part, compact conformation, takes up room little, facilitates again testee to operate.
In addition, described test data processing unit also configures to store multiple judged result and comparative result, provides comprehensive comparison.This makes it possible to the repeated detection result obtaining testee, the dynamic visual acuity of this testee of comprehensive descision.
Additionally provide a kind of method adopting this dynamic visual acuity test macro, it comprises the following steps:
(1) start;
(2) assigned direction of sighting target motion is obtained;
(3) sighting target moving cell makes sighting target linear uniform motion on a display screen according to assigned direction, assigned direction be upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left, the size of sighting target has 1.6-0.1 grade, at interval of 0.1 1 grades, a sighting target life span only has the size of a grade, sighting target according to from 1.6 grades to the size order setting in motion of 0.1 grade, until receive the signal of result feedback unit and stop motion;
(4) result feedback unit receives testee to the judged result of sighting target opening direction, and sends to test data processing unit;
(5) judged result of test data processing unit comparative result feedback unit and sighting target actual aperture direction, provide comparative result;
(6) terminate.
In addition, in described step (3), sighting target moving cell according to assigned direction make sighting target on a display screen linear uniform motion comprise step by step following:
(1) direction of motion is judged, if on, sighting target moves from bottom to top all the time in this life cycle;
(2) what first sighting target occurred on screen is 1.6 grades, moves to directly over sighting target immediately below screen, until sighting target disappears at screen; Then 1.5 grade sighting targets move to directly over sighting target immediately below screen, until sighting target disappears at screen; Sighting target grade like this changes step by step, until 0.1 grade sighting target occurs immediately below screen, until disappear directly over linear uniform motion to screen;
(3) when testee identifies sighting target opening direction, test data processing unit is sent a command to, this moment corresponding sighting target vision grade u;
(4) if sighting target actual aperture direction with judge that direction is consistent, this eyesight testing result is u; If sighting target actual aperture direction with judge that direction is inconsistent, this eyesight testing result is 0.
Below illustrate in greater detail the present invention.
The present invention develops a kind of dynamic visual acuity test set, the sighting target opening direction first in sighting target generation system has " upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left " these eight gears, eight gears occur according to random equiprobability mode.In traditional dynamic visual acuity checkout gear, dynamic visual testing sign moves repeatedly from left to right, and sighting target size successively becomes large, after subject person identifies sighting target opening direction, stir single pole, if single pole direction is consistent with sighting target opening direction, correct judgment is described, corresponding dynamic visual acuity testing level is provided; If stir single pole (i.e. poke rod) direction and sighting target opening direction inconsistent, prompting test result mistake.
The conventional dynamic vision testing system sighting target direction of motion immobilizes, and is all according to direction motion from left to right.The invention provides the dynamic visual testing sign direction of motion and there are eight kinds of directions, can test the dynamic visual acuity level of each direction of motion respectively.If click upwards button, the dynamic visual testing sign direction of motion is from bottom to top through test platform, as shown in Figure 3; Click up-right button, the dynamic visual testing sign direction of motion be from lower-left to upper right pass test platform, as shown in Figure 4; Click to right button, the dynamic visual testing sign direction of motion is from left to right through test platform, as shown in Figure 5; Click downright button, the dynamic visual testing sign direction of motion is pass test platform from upper left to bottom right, as shown in Figure 6; Click downward button, the dynamic visual testing sign direction of motion is from top to bottom through test platform, as shown in Figure 7; Click down-left button, the dynamic visual testing sign direction of motion is pass test platform from upper right to lower-left, as shown in Figure 8; Click to left button, the dynamic visual testing sign direction of motion is from right-to-left through test platform, as shown in Figure 9; Click left button, the dynamic visual testing sign direction of motion is pass test platform from bottom right to upper left, as shown in Figure 10.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Will be understood by those skilled in the art that, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. a dynamic visual acuity test macro, is characterized in that: it comprises:
Sighting target moving cell, its configuration makes sighting target linear uniform motion on a display screen according to assigned direction, assigned direction be upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left, the size of sighting target has 1.6-0.1 grade, at interval of 0.1 1 grades, a sighting target life span only has the size of a grade, sighting target according to from 1.6 grades to the size order setting in motion of 0.1 grade, until receive the signal of result feedback unit and stop motion;
Result feedback unit, its configuration receives the judged result of testee to sighting target opening direction, and sends to test data processing unit;
Test data processing unit, its configuration comes judged result and the sighting target actual aperture direction of comparative result feedback unit, provides comparative result.
2. dynamic visual acuity test macro according to claim 1, is characterized in that: the pattern of described sighting target is E or C.
3. dynamic visual acuity test macro according to claim 2, is characterized in that: described result feedback unit is a poke rod, its have upper, upper right, the right side, bottom right, under, lower-left, a left side, eight, upper left assigned direction.
4. dynamic visual acuity test macro according to claim 3, is characterized in that: described poke rod has button, and this dynamic visual acuity test macro is opened or closed in its configuration.
5. dynamic visual acuity test macro according to claim 1, is characterized in that: described test data processing unit also configures to store multiple judged result and comparative result, provides comprehensive comparison.
6. adopt a method for dynamic visual acuity test macro according to claim 1, it is characterized in that: it comprises the following steps:
(1) start;
(2) assigned direction of sighting target motion is obtained;
(3) sighting target moving cell makes sighting target linear uniform motion on a display screen according to assigned direction, assigned direction be upper, upper right, the right side, bottom right, under, lower-left, a left side, upper left, the size of sighting target has 1.6-0.1 grade, at interval of 0.1 1 grades, a sighting target life span only has the size of a grade, sighting target according to from 1.6 grades to the size order setting in motion of 0.1 grade, until receive the signal of result feedback unit and stop motion;
(4) result feedback unit receives testee to the judged result of sighting target opening direction, and sends to test data processing unit;
(5) judged result of test data processing unit comparative result feedback unit and sighting target actual aperture direction, provide comparative result;
(6) terminate.
7. method according to claim 6, is characterized in that: in described step (3), sighting target moving cell according to assigned direction make sighting target on a display screen linear uniform motion comprise step by step following:
(1) direction of motion is judged, if on, sighting target moves from bottom to top all the time in this life cycle;
(2) what first sighting target occurred on screen is 1.6 grades, moves to directly over sighting target immediately below screen, until sighting target disappears at screen; Then 1.5 grade sighting targets move to directly over sighting target immediately below screen, until sighting target disappears at screen; Sighting target grade like this changes step by step, until 0.1 grade sighting target occurs immediately below screen, until disappear directly over linear uniform motion to screen;
(3) when testee identifies sighting target opening direction, test data processing unit is sent a command to, this moment corresponding sighting target vision grade u;
(4) if sighting target actual aperture direction with judge that direction is consistent, this eyesight testing result is u; If sighting target actual aperture direction with judge that direction is inconsistent, this eyesight testing result is 0.
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| CN106333642A (en) * | 2016-09-27 | 2017-01-18 | 深圳市亮睛视觉研究所 | Dynamic vision test instrument and test method thereof |
| CN106821297A (en) * | 2016-12-31 | 2017-06-13 | 安徽三联交通应用技术股份有限公司 | A kind of portable dynamic vision testing method based on the aobvious equipment of head |
| CN107320063A (en) * | 2017-07-03 | 2017-11-07 | 中国人民解放军海军总医院 | The dual calibrating method of sighting target illumination in dynamic visual acuity test system |
| CN108113638A (en) * | 2018-02-05 | 2018-06-05 | 中国人民解放军空军航空医学研究所 | A kind of dynamic visual acuity detection method |
| CN109077701A (en) * | 2018-02-05 | 2018-12-25 | 中国人民解放军空军航空医学研究所 | A kind of dynamic visual acuity detection device |
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| CN115778311A (en) * | 2023-02-08 | 2023-03-14 | 安徽医学高等专科学校 | Vision detection disc |
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| CN106333642A (en) * | 2016-09-27 | 2017-01-18 | 深圳市亮睛视觉研究所 | Dynamic vision test instrument and test method thereof |
| CN106821297A (en) * | 2016-12-31 | 2017-06-13 | 安徽三联交通应用技术股份有限公司 | A kind of portable dynamic vision testing method based on the aobvious equipment of head |
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| CN108113638A (en) * | 2018-02-05 | 2018-06-05 | 中国人民解放军空军航空医学研究所 | A kind of dynamic visual acuity detection method |
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| CN115778311A (en) * | 2023-02-08 | 2023-03-14 | 安徽医学高等专科学校 | Vision detection disc |
| CN115778311B (en) * | 2023-02-08 | 2023-11-03 | 安徽医学高等专科学校 | Vision detection disc |
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Application publication date: 20160113 |