CN103217273A - Multifocal lens diopter detection system and detection method thereof - Google Patents
Multifocal lens diopter detection system and detection method thereof Download PDFInfo
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- CN103217273A CN103217273A CN2013100981972A CN201310098197A CN103217273A CN 103217273 A CN103217273 A CN 103217273A CN 2013100981972 A CN2013100981972 A CN 2013100981972A CN 201310098197 A CN201310098197 A CN 201310098197A CN 103217273 A CN103217273 A CN 103217273A
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Abstract
The invention provides a multifocal lens diopter detection system and a detection method thereof. The multifocal lens diopter detection system is characterized by comprising a parallel light unit, a liquid crystal board provided with multiple pixel windows for forming a light beam, a first claming mechanism, an image acquisition unit for obtaining a deflection light spot, a storage part, a control part and an input display part, wherein a second distance L is formed between the deflection light spot and a base light spot, a third distance S in the direction vertical to the light beam is formed between a principal optic axis and the base light spot, and the control part controls the multiple pixel windows to be opened or closed according to a control command; an area position in the multiple pixel windows corresponding to a position of a focus on a lens is controlled according to an area command; the pixel windows are controlled to conduct an independent opening sequence according to a sequence command; the image acquisition unit is controlled to obtain the base light spot and the deflection light spot; and diopter is obtained based on a first distance r, the second distance L and the third distance S.
Description
Technical field
The present invention relates to a kind of diopter detection system and method thereof of multifocal lens, thus particularly relate to a kind of based on liquid crystal board to the light beam that is transformed by directional light through eyeglass with at least one focus after formed deviation light detect dioptric multifocal lens diopter detection system and the detection method thereof that obtains described eyeglass.
Background technology
Glasses have been brought into play vital role on correction ocular eyesight, protection eye health and raising visual performance, also be optical correction method main in the optometry.So, to the dioptric detection of eyeglass also just become identify institute's wearing spectacles whether be fit to oneself, qualified a kind of important means whether.
The diopter traditional detection technology of eyeglass is to use the lensmeter based on the spot measurement principle, requires measuring light is alignd with the optical centre of eyeglass.But development along with lens, bifocus, three focuses, free form surface and multifocal lens are born in succession, especially multifocal lens, its optical centre no longer is the geometric center of eyeglass, eyeglass is made up of three or above focal power, the face type has also become the nonaxisymmetrical surface of revolution, makes the no longer simplification of eyeglass focal power, standardization.Existing lensmeter can only be realized the measurement of single-point or zonule, when measuring multifocal lens, must find the focal power of eyeglass zonule to measure by moving of eyeglass, yet this method only can obtain the focal power information of base point and bus, and the focal power evaluation of multifocal lens is had significant limitation.Therefore, at the characteristic of multifocal lens, need design can realize the disposable method that measures the focal power information of whole eyeglass.Also exist disposable diopter to detect in the prior art to whole multifocal lens, just by will be by not adding eyeglass to be measured, adding that eyeglass to be measured obtains benchmark hot spot figure respectively and deviation hot spot figure compares processing, can calculate the diopter of this position of eyeglass to be measured, again eyeglass there is the diopter set of a position, the diopter that detects multifocal lens that just can disposable integral.Existence is applied to Hartmann's plate in the diopter detection that detects multifocal lens, but when utilizing Hartmann's plate, can't form and carry out the wall scroll single beam that diopter detects at certain some position on the eyeglass but formed many single beams that close parallel is provided with, thereby mutually interfere for through behind the tested eyeglass in image acquisition units formed deviation hot spot can be offset, moreover, when the lens product in batch of known focus quantity and focus approximate location being carried out diopter detection and qualification rate evaluation, need again on tested single focus of incident or the multifocal lens have a position to carry out the detection of scan-type from the beginning to the end, because known focus quantity and approximate location be but because can't carry out opening separately to light beam, thereby caused the inaccurate of testing result under regional location of setting and scanning sequency, detection time and cost waste, inefficiency.At present, still do not have a kind ofly multifocal lens to be carried out system and the method thereof that diopter can be opened separately the light beam of incident according to the regional location of setting and scanning sequency when detecting at disposable integral.
Summary of the invention
The object of the present invention is to provide a kind of testing result accurately, high-level efficiency, can to eyeglass on the multifocal lens diopter detection system and the detection method thereof of the corresponding incident beam in position, the measured point disposable region-wide formula of opening separately.
Thereby provided by the invention a kind of to the light beam that is transformed by directional light through eyeglass with at least one focus after formed deviation light detect the dioptric multifocal lens diopter detection system that obtains eyeglass, has such feature: comprise, the directional light unit is used to form directional light; Liquid crystal board is used to receive directional light, is set on the path of directional light, is provided with a plurality of pixel windows that are used to form light beam; First clamping device is used to make eyeglass to be set at the path of light beam; Image acquisition units, with have between the eyeglass with direction that light beam parallels on first apart from r, be used to obtain the deviation hot spot that benchmark hot spot that light beam directly forms and light beam form through eyeglass; Storage part is used to store control command, zone order and order order; Control part is connected with image acquisition units with liquid crystal board; The input display part, being used for input sets control command, zone order, order order and shows diopter, wherein, directional light unit, liquid crystal board, first clamping device and image acquisition units all are the central projection setting along primary optical axis in turn, have between deviation hot spot and the benchmark hot spot with the perpendicular direction of light beam on second distance L, have between primary optical axis and the benchmark hot spot with the perpendicular direction of light beam on the 3rd apart from S, control part is used for controlling that a plurality of pixel windows are opened or closed according to control command; Be used for controlling and the corresponding regional location in the position of focus on eyeglass at a plurality of pixel windows according to the zone order; Be used for controlling the order that the pixel window is opened separately according to order order; Be used to control image acquisition units and obtain benchmark hot spot and deviation hot spot; And be used for obtaining diopter apart from r, second distance L and the 3rd apart from S based on first.In multifocal lens diopter detection system of the present invention, can also have such feature: wherein, the directional light unit comprises: light source is used to form light source; Emanator is used to receive light source and forms the pointolite of dispersing, and is set on the path of light source; Collimation lens is used for the acceptance point light source and forms directional light, is set on the path of pointolite.
In multifocal lens diopter detection system of the present invention, can also have such feature: wherein, the directional light unit comprises: the light source device is used to form light source; Emanator is used to receive light source and forms the pointolite of dispersing, and is set on the path of light source; Collimation lens is used for the acceptance point light source and forms directional light, is set on the path of pointolite the second diameter h that the first diameter H that collimation lens has has greater than eyeglass.
In multifocal lens diopter detection system of the present invention, can also have such feature, also comprise: second clamping device, be used to install image acquisition units, wherein, control part is connected with first clamping device, second clamping device respectively, is used to regulate first size apart from r and two distance L.
In addition, the present invention also provides a kind of detection method of utilizing above-mentioned multifocal lens diopter detection system, has such feature, has following steps: adopt the directional light unit to form directional light, utilize described liquid crystal board to accept described directional light incident; Adopting control part to control a plurality of pixel windows described in the liquid crystal board according to described control command all opens, utilize image acquisition units to obtain without eyeglass the directly formed benchmark hot spot of light beam of incident, adopt control part control image acquisition units to obtain the benchmark hot spot, determine any one the pixel position of window in a plurality of pixel windows; Keep first distance, place eyeglass to be measured on first clamping device, adopt control part to come each the pixel window in the position, control area to open separately in order successively, adopt control part to obtain each and the deviation hot spot of opening the corresponding formation of formed light beam separately respectively again according to regional location, order according to control command, zone order and opening sequence order; Utilize control part by according to regional location, order is compared the position of each benchmark hot spot and the position of corresponding each deviation hot spot obtains each second distance, the 3rd distance in turn; Utilize control part to draw the diopter of eyeglass to be measured based on each first distance, second distance and the 3rd distance that obtains in turn.
Effect of the present invention is:
Multifocal lens diopter detection system provided by the invention and detection method thereof by realize to eyeglass on the corresponding incident beam in position, measured point open separately and compare prior art and have the accurate precision height of testing result, save detection time and cost-effective advantage.Set behind the tested eyeglass by adopt liquid crystal board can be to directional light incident after formed each bar light beam control separately and when guaranteeing when any pixel window unlatching other pixel windows all be in closure state, the light beam that is the tested eyeglass of incident is that single quilt is opened separately, got rid of the interference of other light beams, to make scanning to some position on the eyeglass have more specific aim according to the control command that shows the input part input, zone order and order order more efficient, solved cost of idle time blindly, interfered with each other the problem of low precision.
Description of drawings
Fig. 1 is the synoptic diagram of multifocal lens diopter detection system in the specific embodiments of the invention;
Fig. 2 is the principle schematic of multifocal lens diopter detection system in the specific embodiments of the invention;
Fig. 3 is the process flow diagram of multifocal lens method for detecting diopter in the specific embodiments of the invention.
Concrete case study on implementation
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the synoptic diagram of multifocal lens diopter detection system in the specific embodiments of the invention.
As shown in Figure 1, multifocal lens diopter detection system 100 is provided with the directional light unit 1 that is used to form directional light 200, directional light unit 1 comprises light source device 2, emanator 3 and collimation lens 4, and light source device 2 adopts the LASER Light Source 2a of 632nm, is used to form the laser 300 with specific wavelength.The emanator 3 employing angles of divergence are 30 ° spatial filter 3a, and emanator 3 is set on the path of laser 300, are used to receive laser 300 and form the pointolite of dispersing 400.Collimation lens 4 is set on the path of pointolite 400, be used for acceptance point light source 400 and form directional light 200, spatial filter 3a changes into the laser 300 of wire and can cover has the pointolite 400 that the first diameter H is the collimation lens 4 of 80mm and focal length 100mm.
Multifocal lens diopter detection system 100 is provided with the liquid crystal board 5 that is used to receive directional light 200, liquid crystal board 5 adopts LCD, liquid crystal board 5 is set on the path of directional light 200, liquid crystal board 5 is provided with opening or 100 closed pixel windows 6 of ten row, ten row compositions, be first row, one row pixel window 7 in turn, first row, two row pixel windows, 8 to the tenth row, nine row pixel windows 9, the tenth row ten row pixel windows 10, after directional light 200 passes through liquid crystal board 5, directional light 200 is converted into corresponding 100 light beams that be arranged in parallel 11 when 100 pixel windows 6 are all opened then, directional light then is converted into the light beam of corresponding independent unlatching when the some pixel windows in 100 pixel windows 66 are opened separately, when opening, first row, one row pixel window 6 formed first row, the one row light beam that does not show among the figure, go down in turn, when opening, the tenth row ten row pixel windows 10 formed the tenth row ten row light beams that do not show among the figure, promptly, the pixel window of opening 6 is all consistent with the quantity and the position of the corresponding light beam that passes through to form 11.
Multifocal lens diopter detection system 100 is provided with first clamping device 12, be used to install clipped lens 13, eyeglass 13 can be installed on first clamping device 12 or from 12 dismountings of first clamping device down, tested eyeglass 13 is set on the path of light beam 11 by first clamping device 12.
When not having eyeglass 13 to be set on first clamping device 12, light beam 11 is directly incident on formation benchmark hot spot A15 on the light beam image collecting unit 14.When eyeglass 13 is set on first clamping device 12, deviations take place through eyeglasses 13 and form deviation hot spot B16 on image acquisition units 14 in light beam 11.Image acquisition units 14 adopts the high-speed CCD video camera 14a of per second 2000 frames, be used to obtain same light beam 11 formed benchmark hot spot A15 and deviation hot spot B16, having first on the direction that parallels with light beam 11 between image acquisition units 14 and the eyeglass 13 is 200mm apart from r17, have between deviation hot spot B16 and the benchmark hot spot A15 with the perpendicular direction of light beam 11 on second distance L18 be 5mm.The first diameter H that collimation lens 4 has makes the sweep limit of directional light 200 formed light beams 11 can cover whole eyeglass 13 greater than the second diameter h that eyeglass 13 has.Multifocal lens diopter detection system 100 also comprises second clamping device 19, be used to install image acquisition units 14, control part 20 respectively with first clamping device 12, second clamping device 19 connects, by controlling first clamping device 12, moving around of second clamping device 19 changes the size of regulating first distance 17 and second distance 18, when first clamping device, 12 stationkeeping, light beam 11 forms deviation light 21 through eyeglass to be measured 13 backs, the deviation fixed angle, regulate second clamping device 13 this moment toward moving with eyeglass 13 direction mutually far away, therefore first distance 13 and second distance 18 have just increased so, reduce otherwise move then toward the direction close with eyeglass 13.
Store the order order 22c of control command 22a, zone order 22b and unlatching in the storage part 22.Input display part 23 is used for keying in setting control command 22a, zone order 22b, order is ordered 22c, and be can be used for showing the diopter of whole eyeglass 13.Storage part 22, input display part 23 are connected with control part 20 respectively, and control part 20 is connected with liquid crystal board 5, image acquisition units 14, first clamping device 12 and second clamping device 19.
Directional light unit 1, liquid crystal board 5, eyeglass 13 and image acquisition units 14 all are the central projection setting along primary optical axis 24 in turn, that is to say, the central point of the central point of the central point of the central point of directional light unit 1, liquid crystal board 5, eyeglass 13 and image acquisition units 14 all is the central projection setting, have between primary optical axis 24 and the benchmark hot spot A15 with the perpendicular direction of light beam 11 on the 3rd be 10mm apart from S25.
Control part 20 can be opened or closed according to each pixel window 6 that control command 22a controls 100 pixel windows 6, independent unlatching that can an independent pixel window 6 or the unlatching or the closure of at least two pixel windows 6 arbitrarily.
Control part 20 will according to the zone order 22b that sets control with figure in the focus that do not show in the position on the eyeglass 13 corresponding regional location in 100 pixel windows 6, come the approximate region scope with focus known on the eyeglass 13 is carried out the scanning of light beam 11 incidents targetedly according to the zone order 22b that sets, be fit to batch eyeglass 13 dioptric qualification rate checks with product type.
Control part 20 is controlled the order that pixel window 6 is opened separately according to the order order 22c that sets, and scanning sequency can be selected to regulate when whole eyeglass 13 or fixed regional location are carried out light beam 11 incidents scanning.
Control part 20 obtains the benchmark hot spot A15 and the deviation hot spot B16 of each the bar light beam that carries out incident scanning by the image acquisition units 14 of control linkage, according to the second distance 25 between benchmark hot spot A15 and the deviation hot spot B16, what gather first is that 200mm, second distance L18 are that 5mm and the 3rd is that the diopter that 10mm calculates tested eyeglass 13 is 1.55D apart from S25 apart from r17.
Fig. 2 is the principle schematic of multifocal lens diopter detection system in the specific embodiments of the invention.
According to geometric optical theory, the direction of propagation of light can change because of the density difference of transmission medium, and this phenomenon is exactly the dioptric phenomenon, and the unit that characterizes refractive power is exactly a diopter, i.e. " focal power ".Because former and later two minute surfaces of eyeglass can obtain different light respectively and converge and disperse ability, so eyeglass has the differentiation of preceding focal power and back focal power, and the diopter of general said eyeglass refers to the back vertex lens power of eyeglass.As shown in Figure 2, in the time of on the light path of the light beam 11 that does not have eyeglass 13 to be measured to be arranged on to be used for incident, light beam 11 direct incident ccd video camera 14a have formed benchmark hot spot A15.The incidence point 26 of light beam 11 on eyeglass to be measured 13 that is used for incident is the C point, and light beam 11 through C incidence point 26 backs deviation takes place and forms deviation light 21, deviation light 21 incident on ccd video camera 14a formation deviation hot spot B16.Having first on the direction that parallels with light beam 11 between ccd video camera 14a and the eyeglass 13 is 200mm apart from r17, have between deviation hot spot B16 and the benchmark hot spot A15 with the perpendicular direction of light beam 11 on second distance L18 be 5mm, can draw on the focal power face 27 have between primary optical axis 24 and the benchmark hot spot A15 with the perpendicular direction of light beam 11 on the 3rd be 10mm apart from S25.Then can draw the diopter that above-mentioned incidence point 26C orders according to diopter formula D=L/rs is 1.55D.As above first distance 17 and second distance 18 can be conditioned, when eyeglass 13 stationkeeping to be measured, change first distance 17 and the second distance 18 by regulating ccd video camera 14a, as shown in Figure 2, the maximal value of first distance 17 can not be advisable greater than the distance between focal power face 27 and the eyeglass 13.
Fig. 3 is the process flow diagram of multifocal lens method for detecting diopter in the specific embodiments of the invention.
As shown in figures 1 and 3, utilize directional light unit 1 to form directional light 28, make liquid crystal board 5 receive directional light 200 and come incident; When eyeglass 13 to be measured not being set, adopt control part 20 to control in the liquid crystal board 5 100 pixel windows 6 and all open 29 according to control command, utilize ccd video camera 14a to obtain without eyeglass 13 the directly light beam 11 formed benchmark hot spots 30 of incident, the quantity of benchmark hot spot 15 is consistent with the quantity of pixel window 6, control part 20 control image acquisition units 14 are obtained benchmark hot spot 15, determine the position of any one the pixel window 6 in a plurality of pixel windows 6, promptly, to locating with a plurality of pixel window 6 corresponding a plurality of benchmark hot spots 15;
Keep first distance 17, place eyeglass 13 to be measured on first clamping device 12, control part 20 comes each the pixel window 6 in the position, control area to open 31 separately in order successively according to the order order 22c of control command 22a, zone order 22b and unlatching, and control part 20 orders 22c control image acquisition units 14 to obtain 30 each and the deviation hot spot 25 of opening formed light beam 11 corresponding formation separately respectively according to regional location, order according to zone order 22b, order;
Utilize control part 20 to obtain 32 each second distance 18, the 3rd distance 25 in turn by the position of comparing the position of each benchmark hot spot 15 and corresponding each deviation hot spot 16 according to regional location, order;
Utilize control part 20 based on the diopter 33 that each first distance 17, second distance 18 and the 3rd distance 25 that obtain in turn draw eyeglass to be measured 13, show the diopter 34 of all focal positions on the Integrated lens at last by the input display part.
The effect and the effect of invention
To sum up, effect of the present invention and effect are:
Multifocal lens diopter detection system provided by the invention and detection method thereof by realize to eyeglass on the corresponding incident beam in position, measured point open separately and compare prior art and have the accurate precision height of testing result, save detection time and cost-effective advantage.Set behind the tested eyeglass by adopt liquid crystal board can be to directional light incident after formed each bar light beam control separately and when guaranteeing when any pixel window unlatching other pixel windows all be in closure state, the light beam that is the tested eyeglass of incident is that single quilt is opened separately, got rid of the interference of other light beams, to make scanning to some position on the eyeglass have more specific aim according to the control command that shows the input part input, zone order and order order more efficient, solved cost of idle time blindly, interfered with each other the problem of low precision.
In addition, multifocal lens diopter detection system provided by the invention and detection method thereof can also provide such function: when carrying out fast detecting between to two same model eyeglasses, the focal position of wherein going up an eyeglass can be recorded and be stored in the storage part, when being set on first clamping device, the eyeglass of next same model can according to the focal position of storage portion stores corresponding pixel window be opened the light beam that directly forms at the focus incident of next eyeglass by control part, and fast efficient.
Control part in the multifocal lens diopter detection system provided by the invention is connected with first clamping device, second clamping device respectively, can regulate the size of first distance and second distance, purpose is to reach following effect, when the equipment that adopts in image acquisition units for example under the device resolution precision condition of limited of ccd video camera etc., can make the deviation hot spot and the distance between the benchmark hot spot that incide on the image acquisition units farther more obvious by increasing first distance and second distance simultaneously, easier being monitored to, the dirigibility height reduces cost.
Calculate each some diopter after can gathering second distance to each incidence point respectively in the multifocal lens method for detecting diopter provided by the invention, also can unify to gather each point according to related command earlier and unifiedly calculate whole diopter again behind second distance, method provided by the invention all is the effect that can reach such.
Above-mentioned embodiment is a preferred case of the present invention, is not used for limiting protection scope of the present invention.
Claims (4)
- One kind to the light beam that is transformed by directional light through eyeglass with at least one focus after formed deviation light detect and obtain the dioptric multifocal lens diopter detection system of described eyeglass, it is characterized in that, comprising:The directional light unit is used to form described directional light;Liquid crystal board is used to receive described directional light, is set on the path of described directional light, is provided with a plurality of pixel windows that are used to form described light beam;First clamping device is used to make described eyeglass to be set at the path of described light beam;Image acquisition units and has first on the direction that parallels with described light beam apart from r between the described eyeglass, be used to obtain the deviation hot spot that benchmark hot spot that described light beam directly forms and described light beam form through described eyeglass;Storage part is used to store control command, zone order and order order;Control part is connected with described image acquisition units with described liquid crystal board; AndThe input display part is used for input and sets described control command, the order of described zone, described order order and show described diopter,Wherein, described directional light unit, described liquid crystal board, described first clamping device and described image acquisition units all are the central projection setting along primary optical axis in turn,Have between described deviation hot spot and the described benchmark hot spot with the perpendicular direction of described light beam on second distance L,Have between described primary optical axis and the described benchmark hot spot with the perpendicular direction of described light beam on the 3rd apart from S,Described control part is used for controlling that described a plurality of pixel window is opened or closed according to described control command; Be used for controlling and the corresponding regional location in the position of described focus on described eyeglass at described a plurality of pixel windows according to the order of described zone; Be used for controlling the order that described pixel window is opened separately according to described order order; Be used to control described image acquisition units and obtain described benchmark hot spot and described deviation hot spot; And be used for obtaining described diopter apart from r, described second distance L and the described the 3rd apart from S based on described first.
- 2. according to the multifocal lens diopter detection system described in the claim 1, it is characterized in that:Wherein, described directional light unit comprises: the light source device is used to form light source; Emanator is used to receive described light source and forms the pointolite of dispersing, and is set on the path of described light source; Collimation lens is used to receive described pointolite and forms described directional light, is set on the path of described pointolite the second diameter h that the first diameter H that described collimation lens has has greater than described eyeglass.
- 3. according to the multifocal lens diopter detection system described in the claim 1, it is characterized in that:Also comprise: second clamping device, be used to install described image acquisition units,Wherein, described control part is connected with described first clamping device, second clamping device respectively, is used to regulate described first size apart from r and described two distance L.
- 4. detection method of utilizing the multifocal lens diopter detection system described in the claim 1 is characterized in that having following steps:Adopt described directional light unit to form described directional light, utilize described liquid crystal board to accept described directional light incident;Adopting control part to control a plurality of pixel windows described in the liquid crystal board according to described control command all opens, utilize image acquisition units to obtain without described eyeglass the directly formed benchmark hot spot of described light beam of incident, adopt control part to control described image acquisition units and obtain described benchmark hot spot, determine any one the pixel position of window in described a plurality of pixel window;Keep described first distance, place described eyeglass to be measured on described first clamping device, each the described pixel window that adopts control part to control in the described regional location according to described control command, the order of described zone and described opening sequence order carries out described independent unlatching according to described order successively, adopts control part to obtain each and the described deviation hot spot of the corresponding formation of the formed light beam of described independent unlatching respectively according to described regional location, described order again;Utilize control part by comparing each described benchmark hot spot according to described regional location, described order the position and the position of corresponding each described deviation hot spot obtain each described second distance, described the 3rd distance in turn;Utilize control part to draw the described diopter of described eyeglass to be measured based on each described first distance that obtains in turn, described second distance and described the 3rd distance.
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| CN104605810A (en) * | 2015-02-15 | 2015-05-13 | 杭州市质量技术监督检测院 | Detecting system for diopter of progressive multi-focal lens |
| CN106017867A (en) * | 2015-03-24 | 2016-10-12 | 北京威斯顿亚太光电仪器有限公司 | Method for detecting field angle of hard tube endoscope |
| CN106153303A (en) * | 2015-03-24 | 2016-11-23 | 北京威斯顿亚太光电仪器有限公司 | A kind of dioptric detection method of rigid endoscope based on liquid lens |
| CN107664572A (en) * | 2016-07-29 | 2018-02-06 | 埃西勒国际通用光学公司 | For carrying out the method and relevant device of virtual test at least one eyeglass with predetermined optical feature |
| CN107835935A (en) * | 2015-05-10 | 2018-03-23 | 6超越6视觉有限公司 | Determine device, system and the method for one or more optical parametrics of eyeglass |
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| CN109556839A (en) * | 2019-01-08 | 2019-04-02 | 江苏明月光电科技有限公司 | A kind of more optical axis progressive multi-focus lens focal power measuring systems and method |
| US10670494B2 (en) | 2015-05-10 | 2020-06-02 | 6 Over 6 Vision Ltd. | Apparatus, system and method of determining one or more optical parameters of a lens |
| TWI759850B (en) * | 2020-09-04 | 2022-04-01 | 瑞軒科技股份有限公司 | Lens detection system and operation method of the same |
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