CN114587783B

CN114587783B - Postoperative light chopper for ophthalmologic laser operation

Info

Publication number: CN114587783B
Application number: CN202210316482.6A
Authority: CN
Inventors: 代修文; 王红; 王霖
Original assignee: Chongqing Bishan Peoples Hospital
Current assignee: Chongqing Bishan Peoples Hospital
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2023-04-07
Anticipated expiration: 2042-03-29
Also published as: CN114587783A

Abstract

The invention provides a postoperative light chopper for an ophthalmologic laser operation, which relates to the technical field of rehabilitation instruments for the ophthalmologic operation and comprises a supporting frame, wherein two through holes are formed in the supporting frame in a penetrating manner, lens mounting frames are respectively arranged in the through holes, an adjusting component is arranged in the middle of the supporting frame and comprises a first arc-shaped block and a second arc-shaped block, light shields are fixed on the inner sides of the first arc-shaped block and the second arc-shaped block, a light shielding component is arranged on one side of the adjusting component and comprises a light shield and a light shielding plate, a fixing component is arranged at the upper end of the supporting frame, and the distance between the lens mounting frames and the light shields on the two sides can be adjusted according to the eye distance of a user by arranging the adjusting component, so that the wearing comfort level is improved, the application range of the device is wider, the light shields can be placed by arranging partition plates on the inner sides of the two arc-shaped blocks, the light shields can be limited by the fixing component, and the installation and the disassembly is convenient.

Description

Postoperative light chopper for ophthalmologic laser operation

Technical Field

The invention relates to the technical field of ophthalmic surgery rehabilitation instruments, in particular to a postoperative light chopper for ophthalmic laser surgery.

Background

Myopia laser surgery is a laser surgery who corrects myopia, and it includes laser optics keratotomy, excimer laser normal position cornea grinds and inlays art, excimer laser upper and lower skin cornea and grinds and inlays art, wavefront aberration guide excimer laser surgery, femto second, six development stages of full femto second laser, need wear the eye-shade after having done laser surgery usually and carry out the shading protection to eyes, a ophthalmology recovered uses the lens-shade that the patent that application number is CN201920803461.0 proposed, including the lens-shade main part, the both ends of lens-shade main part are passed through articulated piece and are connected with first mirror frame and second mirror frame respectively, the one end of first mirror frame is provided with first buckle, the one end of second mirror frame is provided with the second buckle, the surface of first buckle and second buckle all is provided with the draw-in groove, wear fixed establishment is installed to the upper end of lens-shade main part, and the one end of head fixed establishment is fixed with the connector link through flexible adjusting strap mutually, the inside of lens-shade main part is provided with the eye-shade frame, and eye-shade frame is inside is provided with the anti-glare lens. The utility model discloses a through being provided with connecting buckle cooperation head-mounted fixing mechanism, can make the ophthalmology patient wear the lens-shading mirror more stable, be provided with dual protection lens simultaneously, can carry out anti ultraviolet and anti-dazzle protection to the patient.

However, the distance between the two lenses cannot be adjusted according to the eye distance of the user, so that the situation that the visual field is blocked by the frame may occur when some people use the light-shielding glasses, and the number of the protective lenses of the device is fixed, so that the light-shielding effect of the lenses cannot be adjusted according to the length of the postoperative recovery time or the change of the use scene, and the use experience is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a postoperative light chopper for an ophthalmic laser surgery, which can effectively solve the problems that the distance between two lenses cannot be adjusted according to the eye distance of a user by the existing light chopper, so that the situation that the visual field is blocked by a frame may occur when some people use the light chopper, the light chopping effect of the lenses cannot be adjusted according to the postoperative recovery time or different use scenes, and the use experience is influenced.

(II) technical scheme

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an ophthalmology laser surgery postoperative photochopper, includes braced frame, braced frame is inside to run through and has seted up two through-holes, the inside lens installing frame that is provided with respectively of through-hole, the braced frame middle part is provided with adjusting part, adjusting part includes threaded rod and two connecting rods, the outer movable sleeve of threaded rod pole body is equipped with the movable block, two the connecting rod is swing joint in the movable block both sides respectively, the one end swing joint that the movable block was kept away from to the connecting rod has first arc piece, braced frame is inside to be connected with the second arc piece that corresponds the setting with first arc piece through first telescopic link, first arc piece and second arc piece inboard are fixed with the lens, adjusting part one side is provided with the shading subassembly, the shading subassembly includes lens hood and light screen, the lens hood sets up in braced frame one side, the light screen sets up inside braced frame, the braced frame upper end is provided with fixed subassembly, braced frame both sides fixedly connected with fixed band.

Preferably, the fixing component comprises a cover plate and an elastic sheet, the upper end of the supporting frame is located at one side, far away from the threaded rod, of the cover plate, one end of the cover plate is connected with the fixing block in a rotating mode, the upper end of the supporting frame is located at two sides of the threaded rod, placing grooves are formed in the two sides of the threaded rod respectively, and the cover plate is attached to the inner wall of the placing grooves.

Preferably, a clamping groove is formed in one side, close to the threaded rod, of the placing groove, an elastic sheet is fixedly connected to one end, close to the threaded rod, of the cover plate, the elastic sheet abuts against the inner wall of the clamping groove, the threaded rod is rotatably connected to the middle of the supporting frame, and a knob is fixedly connected to the top end of the threaded rod.

Preferably, the movable block is located inside the support frame and is in threaded connection with the threaded rod, a plurality of baffles are fixedly connected to the inner wall of one side of the first arc-shaped block and the inner wall of one side of the second arc-shaped block, the light shading sheet is attached to the inner wall of the adjacent baffle, and the first telescopic rod is fixedly connected inside the support frame.

Preferably, a first spring is sleeved outside a rod body at one end, close to the second arc-shaped block, of the first telescopic rod, two ends of the first spring are fixedly connected with the inner wall of the supporting frame and the outer peripheral face of the second arc-shaped block respectively, and the light shield is fixedly connected to one side of the supporting frame.

Preferably, the inner wall of one end, far away from the supporting frame, of the light shield is fixedly connected with a plurality of limiting rods and a third spring, the third spring is sleeved outside the rod body of the limiting rods, and one end, far away from the inner wall of the light shield, of the third spring is fixedly connected with the supporting frame.

Preferably, a plurality of limiting grooves corresponding to the limiting rods are formed in the supporting frame, one ends, far away from the inner wall of the light shield, of the limiting rods are movably connected to the inner portions of the limiting grooves, and movable cavities are formed in two sides of the inner wall of the through hole and located at two ends of the lens mounting frame respectively.

Preferably, the light screen is movably connected inside the movable cavity, the inner wall of the light screen is abutted to the outer peripheral surface of the lens mounting frame, and the middle part of one side, far away from the lens mounting frame, of the light screen is fixedly connected with a second telescopic rod respectively.

Preferably, one end of the second telescopic rod, which is far away from the light screen, is fixedly connected inside the supporting frame, a second spring is fixedly connected on the inner wall of the movable cavity and outside the rod body of the second telescopic rod, and one end of the second spring, which is far away from the inner wall of the movable cavity, is fixedly connected with the outer peripheral surface of the light screen.

As preferred, lens installing frame both ends inboard is fixedly connected with stopper respectively, the guide way that is used for the stopper activity is seted up respectively to the braced frame both sides, stopper outer peripheral face and guide way inner wall sliding connection.

Compared with the prior art, the invention has the following beneficial effects:

1. set up adjusting part at braced frame middle part, it rotates to drive the threaded rod through rotating the knob, thereby it reciprocates at the outer of threaded rod pole to drive the movable block, thereby drive connecting rod and first arc piece and remove, because lens installing frame opposite side is provided with second arc piece and first spring, when first arc piece is towards the direction removal of keeping away from the lens installing frame, first spring drives first telescopic link extension and make second arc piece tightly support at the lens installing frame outer peripheral face under self elastic action, and then can make the lens installing frame keep laminating with first arc piece, thereby can adjust the interval of both sides lens installing frame and anti-dazzling screen according to user's eye distance, thereby improve the comfort level of wearing, also make the application scope of device wider simultaneously.

2. Set up the lens hood on one side of braced frame for the third spring drives the lens hood under self elastic action and offsets with user's face, and then improves the leakproofness around the eye, prevents the light leak, and, two light screens tightly support in lens installing frame both sides under the elastic action of second spring, when the lens installing frame removes, two light screen correspondences move at the activity intracavity portion, through setting up the light screen with lens installing frame synchronous movement, can keep better shading effect throughout at lens installing frame removal process.

3. Through setting up a plurality of baffles at first arc piece and second arc piece inner wall, can be used for placing the anti-dazzling screen, drive second arc piece through first spring and remove towards the direction that is close to the anti-dazzling screen, thereby can fix the anti-dazzling screen inside first arc piece and second arc piece, this setting can increase or reduce the quantity of anti-dazzling screen according to individual in service behavior, thereby adjust irradiant light and shade degree, can satisfy the different demands to illumination intensity of user's postoperative different time quantum, carry out the joint through setting up shell fragment and draw-in groove in apron one end, thereby can be convenient for install and dismantle the anti-dazzling screen.

Drawings

FIG. 1 is a schematic view of the overall structure of a shutter after an ophthalmic laser surgery according to the present invention;

FIG. 2 is a schematic top view of a shutter according to the present invention after an ophthalmic laser surgery;

FIG. 3 isbase:Sub>A schematic cross-sectional view A-A of the shutter of FIG. 2 after an ophthalmic laser surgery according to the present invention;

FIG. 4 is a schematic cross-sectional view B-B of the shutter of FIG. 2 after an ophthalmic laser surgery according to the present invention;

FIG. 5 is a schematic cross-sectional view of the shutter of FIG. 2 taken along line C-C of the eye after laser surgery according to the present invention;

FIG. 6 is a schematic cross-sectional view taken along line D-D in FIG. 2 of the shutter after an ophthalmic laser surgery according to the present invention;

FIG. 7 is an enlarged view of the shutter of FIG. 3 at E after an ophthalmic laser surgery procedure in accordance with the present invention;

FIG. 8 is an enlarged view of the structure at F of FIG. 4 of the shutter after an ophthalmic laser surgery of the present invention;

FIG. 9 is an enlarged view of the shutter of FIG. 6 at G after an ophthalmic laser surgery according to the present invention.

In the figure: 1. a support frame; 101. a through hole; 102. a guide groove; 103. a card slot; 104. a limiting groove; 105. a placement groove; 106. a movable cavity; 2. an adjustment assembly; 201. a threaded rod; 202. a movable block; 203. a connecting rod; 204. a first arc-shaped block; 205. a second arc-shaped block; 206. a partition plate; 207. a first telescopic rod; 208. a first spring; 209. a knob; 3. a shading component; 301. a light shield; 302. a visor; 303. a limiting rod; 304. a third spring; 305. a second spring; 306. a second telescopic rod; 4. a lens mounting frame; 5. a fixing assembly; 501. a cover plate; 502. a fixed block; 503. a spring plate; 6. fixing belts; 7. a limiting block; 8. and (4) a shading sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

As shown in fig. 1-9, an ophthalmic laser surgery postoperative light shield, including braced frame 1, braced frame 1 is inside to run through and has seted up two through-holes 101, the inside lens installing frame 4 that is provided with respectively of through-hole 101, braced frame 1 middle part is provided with adjusting part 2, adjusting part 2 includes threaded rod 201 and two connecting rods 203, threaded rod 201 pole body outer movable sleeve is equipped with movable block 202, two connecting rods 203 swing joint respectively are in movable block 202 both sides, the one end swing joint that movable block 202 was kept away from to connecting rod 203 has first arc piece 204, braced frame 1 is inside to be connected with the second arc piece 205 that corresponds the setting with first arc piece 204 through first telescopic link 207, first arc piece 204 and second arc piece 205 inboard are fixed with lens 8, adjusting part 2 one side is provided with shading subassembly 3, shading subassembly 3 includes lens hood 301 and light screen 302, lens hood 301 sets up in braced frame 1 one side, light screen 302 sets up inside braced frame 1, braced frame 1 upper end is provided with fixed subassembly 5, braced frame 1 both sides fixedly connected with fixed band 6.

In this embodiment, the fixing component 5 includes a cover plate 501 and an elastic sheet 503, the upper end of the support frame 1 is located at one side of the cover plate 501, which is far away from the threaded rod 201, the fixing block 502 is fixedly connected to one side of the cover plate 501, one end of the cover plate 501 is rotatably connected to the fixing block 502, the placing grooves 105 are respectively arranged at two sides of the threaded rod 201 and at the upper end of the support frame 1, the cover plate 501 is attached to the inner wall of the placing grooves 105, the clamping groove 103 is arranged at one side of the placing grooves 105, which is close to the threaded rod 201, the cover plate 501 is close to one end of the threaded rod 201, which is fixedly connected to the elastic sheet 503, and the elastic sheet 503 is abutted to the inner wall of the clamping groove 103.

When specifically setting up, fixed block 502 rotates to be connected inside apron 501, offers standing groove 105 in braced frame 1 upper end and is used for the installation and dismantles lens 8, correspond shell fragment 503 through rotating apron 501 and go into the draw-in groove 103 inside, make shell fragment 503 tightly support with draw-in groove 103 inner wall under self elastic action to can fix apron 501 inside standing groove 105, play spacing effect to lens 8 simultaneously, prevent that lens 8 from accidentally falling out inside braced frame 1.

In this embodiment, the threaded rod 201 is rotated and is connected at braced frame 1 middle part, threaded rod 201 top fixedly connected with knob 209, movable block 202 be located braced frame 1 inside and with threaded rod 201 threaded connection, a plurality of baffles 206 of the relative one side inner wall difference fixedly connected with of first arc piece 204 and second arc piece 205, anti-dazzling screen 8 and the laminating of adjacent baffle 206 inner wall, first telescopic link 207 fixed connection is inside braced frame 1, first telescopic link 207 is close to the pole body overcoat of the one end of second arc piece 205 and is equipped with first spring 208, first spring 208 both ends respectively with braced frame 1 inner wall and second arc piece 205 outer peripheral face fixed connection.

When specifically setting up, first arc piece 204 and second arc piece 205 both sides offset with light screen 302 inboard respectively, with first arc piece 204 and second arc piece 205 and connecting rod 203 one end swing joint, connect the connecting rod 203 other end in movable block 202 both sides again, thereby can carry on spacingly to movable block 202, make movable block 202 only can reciprocate, prevent that movable block 202 from following threaded rod 201 and taking place the rotation, in addition, threaded rod 201 top runs through braced frame 1, knob 209 is located braced frame 1 outside and is used for adjusting the interval of two lens installing frames 4, drive threaded rod 201 through rotating knob 209 and rotate, thereby drive movable block 202 and reciprocate outside threaded rod 201 pole, thereby drive connecting rod 203 and first arc piece 204 and remove, because lens installing frame 4 opposite side is provided with second arc piece 205 and first spring 208, when first arc piece 204 removes towards the direction of keeping away from lens installing frame 4, first spring 208 drives first telescopic link 207 extension and make second arc piece 205 support tightly at installing frame 4 outer peripheral face, and then can make first arc piece 4 and first arc piece 204 keep the lens installing frame 4 and the lens interval to adjust lens interval and lens interval 8, thereby the lens is suitable for the lens is installed to the lens is also set up to the wide side, thereby the lens is suitable for the lens is improved to the lens is worn under self elasticity effect.

It should be noted that, at a plurality of baffles 206 of first arc piece 204 and the inboard setting of second arc piece 205, be used for placing light-shielding sheet 8, put into back between the adjacent baffle 206 from standing groove 105 with light-shielding sheet 8, drive second arc piece 205 through first spring 208 and move towards the direction that is close to light-shielding sheet 8, thereby can fix light-shielding sheet 8 inside first arc piece 204 and second arc piece 205, this setting can increase or reduce the quantity of light-shielding sheet 8 according to individual in service behavior, thereby adjust irradiant light and shade degree, can satisfy the different demands of different time quantums to illumination intensity of user's postoperative.

In this embodiment, the light shield 301 is fixedly connected to one side of the supporting frame 1, the inner wall of one end of the light shield 301, which is far away from the supporting frame 1, is fixedly connected with a plurality of limiting rods 303 and a third spring 304, the third spring 304 is sleeved outside the rod of the limiting rod 303, one end of the third spring 304, which is far away from the inner wall of the light shield 301, is fixedly connected with the supporting frame 1, a plurality of limiting grooves 104 corresponding to the limiting rods 303 are formed inside the supporting frame 1, and one end of the limiting rod 303, which is far away from the inner wall of the light shield 301, is movably connected inside the limiting groove 104.

It should be noted that, the lens hood 301 adopts comparatively soft silica gel material and the middle part is provided with the cavity, third spring 304 and gag lever post 303 set up inside the cavity, when wearing braced frame 1, user's face and lens hood 301 contact and compress third spring 304 and gag lever post 303, make the gag lever post 303 keep away from the facial one end of patient slide in spacing groove 104 inside, after braced frame 1 is fixed, third spring 304 drives lens hood 301 and removes towards the direction of keeping away from braced frame 1 under self elastic action, thereby make lens hood 301 surface and user's face offset, and then improve the leakproofness around the eye, prevent the light leak.

In this embodiment, activity chamber 106 has been seted up respectively to through-hole 101 inner wall both sides and being located lens installing frame 4 both ends, and light screen 302 swing joint is inside activity chamber 106, and light screen 302 inner wall offsets with the 4 outer peripheral faces of lens installing frame, and light screen 302 keeps away from one side middle part difference fixedly connected with second telescopic link 306 of lens installing frame 4.

In this embodiment, one end of the second telescopic rod 306 far away from the light shielding plate 302 is fixedly connected inside the supporting frame 1, the second spring 305 is fixedly connected to the inner wall of the movable chamber 106 and located outside the rod body of the second telescopic rod 306, and one end of the second spring 305 far away from the inner wall of the movable chamber 106 is fixedly connected to the outer peripheral surface of the light shielding plate 302.

It can be understood, in this application, two light screens 302 tightly support 4 both sides at the lens installing frame under the spring action of second spring 305, when lens installing frame 4 moves towards the direction that is close to threaded rod 201, second spring 305 and the shrink of second telescopic link 306 that is close to lens installing frame 4 one side, keep away from second spring 305 and the extension of second telescopic link 306 of lens installing frame 4 one side, two light screens 302 correspond and move in activity chamber 106 is inside, through setting up light screen 302 with lens installing frame 4 synchronous motion, can keep better shading effect all the time at lens installing frame 4 removal process.

In this embodiment, the inner sides of the two ends of the lens mounting frame 4 are respectively and fixedly connected with the limiting blocks 7, the two sides of the supporting frame 1 are respectively provided with the guide grooves 102 for the movement of the limiting blocks 7, and the outer peripheral surfaces of the limiting blocks 7 are slidably connected with the inner walls of the guide grooves 102.

In order to prevent the lens mounting frame 4 from rotating or deviating in the moving process, the upper end and the lower end of the lens mounting frame 4 are provided with the limiting blocks 7, the two sides of the supporting frame 1 are provided with the guide grooves 102 corresponding to the limiting blocks 7, the guide grooves 102 are parallel to the first telescopic rods 207, the movement track of the lens mounting frame 4 can be limited, and the stability in the adjusting process is improved.

The working principle of the postoperative light chopper for the ophthalmic laser surgery comprises the following steps:

when the glasses support is used, firstly, the fixing band 6 is sleeved outside the head of a user, the support frame 1 is correspondingly moved to the periphery of eyes, the light shield 301 is attached to the periphery of the eyes of the user, the fixing band 6 is tightened to a proper length, in the adjusting process, the third spring 304 contracts, one end, far away from the inner wall of the light shield 301, of the limiting rod 303 slides in the limiting groove 104, after the fixing band 6 is fixed, the third spring 304 drives the light shield 301 to be attached to the face of the user under the action of the elastic force of the third spring 304, the position of the support frame 1 is fixed, then, the distance between the two lens mounting frames 4 is adjusted according to the eye distance of the user, specifically, the knob 209 is rotated, the threaded rod 201 is driven to rotate through the knob 209, the movable block 202 moves upwards or downwards outside the rod of the threaded rod 201, and when the movable block 202 moves upwards, the connecting rod 203 and the first arc-shaped block 204 are driven to move, the first arc-shaped block 204 moves towards the direction far away from the lens mounting frame 4, the first spring 208 on the other side of the lens mounting frame 4 drives the second arc-shaped block 205 to move towards the direction close to the threaded rod 201 under the action of the self elasticity, and pushes the lens mounting frame 4 to move, so that the lens mounting frame 4 is kept attached to the first arc-shaped block 204, when the movable block 202 moves downwards, the connecting rod 203 and the first arc-shaped block 204 are driven to move, so that the first arc-shaped block 204 pushes the lens mounting frame 4 to move towards the direction far away from the threaded rod 201, the first spring 208 and the first telescopic rod 207 are contracted, the lens mounting frame 4 is always fixed inside the first arc-shaped block 204 and the second arc-shaped block 205, the lens mounting frame 4 drives the limiting block 7 to move in the moving process, the limiting block 7 slides inside the guide groove 102, so as to guide and limit the movement track of the lens mounting frame 4, prevent 4 squints of lens installing frame, open apron 501 afterwards, place anti-dazzling screen 8 inboard at adjacent baffle 206, drive second arc piece 205 through first spring 208 and support in anti-dazzling screen 8 both sides, thereby can fix anti-dazzling screen 8 inside first arc piece 204 and second arc piece 205, increase or reduce anti-dazzling screen 8's quantity according to individual in service behavior afterwards, thereby adjust irradiant light and shade degree, and satisfy the different demands of different time quantums of user's postoperative to illumination intensity, it corresponds inside the card income draw-in groove 103 with shell fragment 503 to rotate apron 501 at last, make shell fragment 503 tightly support with draw-in groove 103 inner wall under self spring action, thereby can fix apron 501 inside standing groove 105, play spacing effect to anti-dazzling screen 8 simultaneously, prevent that anti-dazzling screen 8 accident from falling out.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and that various other modifications and changes can be made on the basis of the above description by those skilled in the art.

Claims

1. An ophthalmic laser surgery postoperative shutter, includes braced frame (1), its characterized in that: two through holes (101) are arranged in the supporting frame (1) in a penetrating way, the through holes (101) are internally provided with lens mounting frames (4) respectively, an adjusting component (2) is arranged in the middle of the supporting frame (1), the adjusting component (2) comprises a threaded rod (201) and two connecting rods (203), the outside of the rod body of the threaded rod (201) is movably sleeved with a movable block (202), two connecting rods (203) are respectively movably connected with the two sides of the movable block (202), one end of the connecting rod (203) far away from the movable block (202) is movably connected with a first arc-shaped block (204), a second arc-shaped block (205) which is arranged corresponding to the first arc-shaped block (204) is connected with the inner part of the supporting frame (1) through a first telescopic rod (207), a shading sheet (8) is fixed on the inner sides of the first arc-shaped block (204) and the second arc-shaped block (205), one side of the adjusting component (2) is provided with a shading component (3), the shading assembly (3) comprises a shading cover (301) and a shading plate (302), the light shield (301) is arranged on one side of the supporting frame (1), the light screen (302) is arranged inside the support frame (1), the upper end of the supporting frame (1) is provided with a fixing component (5), two sides of the supporting frame (1) are fixedly connected with fixing belts (6);

the inner wall of one end, far away from the supporting frame (1), of the light shield (301) is fixedly connected with a plurality of limiting rods (303) and a third spring (304), the third spring (304) is sleeved outside the rod body of the limiting rods (303), and one end, far away from the inner wall of the light shield (301), of the third spring (304) is fixedly connected with the supporting frame (1); a plurality of limiting grooves (104) corresponding to the limiting rods (303) are formed in the supporting frame (1), one ends, far away from the inner wall of the light shield (301), of the limiting rods (303) are movably connected into the limiting grooves (104), and movable cavities (106) are formed in two sides of the inner wall of the through hole (101) and located at two ends of the lens mounting frame (4) respectively; the light screen (302) is movably connected inside the movable cavity (106), the inner wall of the light screen (302) is abutted against the outer peripheral surface of the lens mounting frame (4), and the middle part of one side of the light screen (302), which is far away from the lens mounting frame (4), is respectively and fixedly connected with a second telescopic rod (306); one end, far away from the light screen (302), of the second telescopic rod (306) is fixedly connected inside the supporting frame (1), the inner wall of the movable cavity (106) is located outside the rod body of the second telescopic rod (306), and a second spring (305) is fixedly connected to the outer side of the rod body of the second telescopic rod (306), and one end, far away from the inner wall of the movable cavity (106), of the second spring (305) is fixedly connected with the outer peripheral face of the light screen (302).

2. The ophthalmic laser surgery postoperative shutter according to claim 1, characterized in that: fixed subassembly (5) are including apron (501) and shell fragment (503), braced frame (1) upper end just is located apron (501) and keeps away from one side fixedly connected with fixed block (502) of threaded rod (201), apron (501) one end is rotated with fixed block (502) and is connected, braced frame (1) upper end just is located threaded rod (201) both sides and has seted up standing groove (105) respectively, apron (501) and the laminating of standing groove (105) inner wall.

3. The ophthalmic laser surgery postoperative shutter according to claim 2, characterized in that: the novel multifunctional hanging rack is characterized in that a clamping groove (103) is formed in one side, close to the threaded rod (201), of the placing groove (105), an elastic sheet (503) is fixedly connected to one end, close to the threaded rod (201), of the cover plate (501), the elastic sheet (503) is abutted to the inner wall of the clamping groove (103), the threaded rod (201) is rotatably connected to the middle of the supporting frame (1), and a knob (209) is fixedly connected to the top end of the threaded rod (201).

4. The ophthalmic laser surgery postoperative shutter according to claim 3, characterized in that: the movable block (202) is located inside the supporting frame (1) and is in threaded connection with the threaded rod (201), a plurality of partition plates (206) are fixedly connected to the inner wall on one side of the first arc-shaped block (204) and the inner wall on the opposite side of the second arc-shaped block (205) respectively, the light shading sheet (8) is attached to the inner wall of the adjacent partition plate (206), and the first telescopic rod (207) is fixedly connected inside the supporting frame (1).

5. The ophthalmic laser surgery postoperative shutter according to claim 4, wherein: one end of the rod body, close to the second arc-shaped block (205), of the first telescopic rod (207) is sleeved with a first spring (208), two ends of the first spring (208) are fixedly connected with the inner wall of the supporting frame (1) and the outer peripheral face of the second arc-shaped block (205) respectively, and the light shield (301) is fixedly connected to one side of the supporting frame (1).

6. The ophthalmic laser surgery postoperative shutter according to claim 1, characterized in that: lens installing frame (4) both ends inboard fixedly connected with stopper (7) respectively, guide way (102) that are used for stopper (7) activity are seted up respectively to braced frame (1) both sides, stopper (7) outer peripheral face and guide way (102) inner wall sliding connection.