881 results about "Eye lens" patented technology

The invention relates to the technical field of spectacle lens processing, in particular to optical spectacle lens polishing equipment which comprises a bottom plate, a polishing unit and a locking mechanism. The rotating ring and the pushing plates and the clamping blocks on the rotating ring jointly clamp the circumferential face of the spectacle lens and conduct self-locking, so that the rotating ring and the spectacle lens are integrated, in the follow-up polishing face replacing process, the rotating ring is moved upwards and turned over, the spectacle lens is placed on the vertical plate, and the polishing face is replaced. In the process, the reference of the rotating ring is always taken as the reference of the spectacle lens, so that the problem that the processing time and the processing error are increased due to the fact that the reference of the spectacle lens needs to be repositioned in the process of replacing the polished surface is solved; the polishing device is suitable for the polishing machining process of two spherical surfaces of the spectacle lens, the swing path of the polishing plate is limited in the polishing process, and the polishing precision and stability are improved.

A lens element for a spectacle lens, a contact lens or an intraocular lens, intended to be worn by a wearer having a refraction area having a refractive power based on a prescription for said eye of the wearer and a plurality of n optical elements, at least one of the n optical elements having an optical function of not focusing an image on the retina of the eye of the wearer, the kth optical element being located in a domain defined by a closed contour, k being a positive integer equal or greater than 2 and smaller or equal to n, a coating layer may be deposited on the lens element, wherein, without taking the potential coating layer into account, the least one kth optical element presents as a standard deviation of sphere values of at least 0.4 dpt, where is defined as, H(xi, yi) mean optical curvature operator at position xi, yi of the kth optical element in its domain, being the mean of the mean optical curvatures over the whole domain of the kth optical element, being an integer of number all positions xi yi in the domain of the k-th optical element and being greater than 100.

Disclosed is a display system for compensating a blind area of a field of view in a rearview mirror of a tractor-trailer. The system includes an acquisition apparatus, a sensing apparatus, a display control apparatus, and a display apparatus. The acquisition apparatus includes a left front camera, a right front camera, a left rear camera, and a right rear camera. The sensing apparatus is an angle sensing sensor arranged on a tractor-trailer, and the angle sensing sensor is used to obtain the angle by which the axis of a trailer deviates from the axis of a vehicle head. The display control apparatus is connected to the acquisition apparatus and the sensing apparatus. The display apparatus is a display arranged in a cab and is used for displaying to the driver an image output by the display control apparatus. By means of the multi-camera configuration, during turning, picture compensation is performed on an area in the rearview mirror that is blocked by the trailer, thereby effectively solving the problem of the trailer blocking field of view for observing. Compared with an ordinary panoramic image spliced when use a fish-eye lens, a driver can more intuitively perceive the position at which a risk factor is located, thereby reducing thinking time and reducing accidents.

The invention belongs to the technical field of refraction detection, and particularly relates to a human eye dynamic refraction detection method based on a three-dimensional phase deflection method. The method comprises the following steps: S1, based on a three-dimensional phase deflection imaging system and an iterative representation integral algorithm, obtaining a 3D shape of a to-be-detected human eye in place in real time; s2, on the basis of the 3D shape of the to-be-detected human eye, the current staring direction of the to-be-detected human eye is obtained in real time in place by combining a ray tracing method; s3, establishing a refractive imaging system, and obtaining a diopter value of the to-be-measured human eye in the current staring direction in real time in place based on the refractive imaging system; and S4, fitting different staring directions of the to-be-detected human eyes and the dynamic numerical curve of the diopter values in the corresponding staring directions to realize human eye dynamic refraction detection. According to the method, an accurate treatment scheme can be accurately provided for the ametropia patient in a real scene, and guidance can be provided in the aspect of personalized customization of the spectacle lenses.

The utility model discloses a lens for delaying eye axis growth by using a negative defocus technology, particularly relates to the field of optical spectacle lenses, and aims to solve the problems that myopia of children and adolescents in China is severe, low-age and severe, existing common methods include angle molding, defocus and foggy vision (point diffusion), and the prevention and control efficiency is declined due to the large use of the methods. According to the utility model, myopia can be better prevented and controlled, and the prevention and control efficiency is improved. A composite ring belt design is adopted, the defocusing amount of an aspheric micro lens in a composite ring belt structure is negative defocusing, and the range of the defocusing amount of the aspheric micro lens is-5.0 D-(-6.5 D). While clear vision correction is ensured in an optical central area, the defocusing amount of a ring belt outside the central area is in an asymptotically increasing trend, so that continuous defocusing is formed in a peripheral area, and the visual acuity is improved. And personalized compensation is carried out on the defocusing amount of the field angle to form a continuous myopia defocusing state, so that excessive increase of the ocular axis and the diopter is delayed, and the purpose of controlling myopia is achieved.

The application discloses a microstructure lens and glasses, comprising: a lens body having an optical center; the first microstructure unit is connected with the lens body, the first microstructure unit surrounds the optical center, and the geometric center of the first microstructure unit coincides with the optical center; the plurality of second microstructure units are connected with the lens body, and the plurality of second microstructure units are arranged around the first microstructure unit; the geometric center of any one of the plurality of second microstructure units does not coincide with the geometric center of the first microstructure unit, and the geometric centers of any two of the plurality of second microstructure units do not coincide. According to the micro-structure spectacle lens, the first micro-structure unit and the second micro-structure unit have the function of not focusing light on the retina, and the eccentric asymmetric layout can introduce stimulation signal micro-fluctuation of the micro-structure area on the surface of the lens, so that the time of a high-intensity stimulation effect can be kept; and the durability of the lens in intervening the refractive error development is improved.

The present invention relates to a snap-fit structure for spectacle lens and temple, which comprises a spectacle lens with a buckle hole on a side thereof, and a temple with a lens assembly element. A latching member is pivotally connected in a groove of the lens assembly element. When the spectacle lens and the temple are assembled, the side of the spectacle lens is correspondingly engaged with an embedded opening of the lens assembly element, so that the buckle hole of the spectacle lens is put between an elastic piece and a pressing piece of the latching member, and is coupled with a block of the elastic piece correspondingly. When the spectacle lens is separated from the temple, the pressing piece of the latching member is pressed to deflect the latching member by an angle, so that the elastic piece is separatable from the buckle hole of the spectacle lens.

The invention relates to the technical field of VR glasses, and discloses a pair of head-mounted VR glasses, which comprises a glasses body, a fixed frame is arranged on the glasses body, a partition plate is arranged in the glasses body, the top of the partition plate is connected with the fixed frame, glasses lenses are fixed on the partition plate, a movable cavity is formed in the fixed frame, and the movable cavity is internally provided with a movable cavity. A demisting assembly is arranged in the movable cavity, and the demisting assembly is used for carrying out demisting treatment on the spectacle lenses by blowing air; the demisting assembly comprises a positioning seat, the positioning seat is fixed on the fixed frame, a first sliding groove is formed in the fixed frame, a movable seat is connected to the first sliding groove in a sliding mode, and a supporting plate is arranged on the movable seat; according to the technical scheme, by arranging the demisting assembly, when the VR glasses are used, the surfaces of the glasses lenses can be subjected to demisting treatment, and the transparency of the glasses lenses can be kept, so that the watching effect is improved, and the user experience is improved.

The present application provides a defocused eyeglass with a microlens array, a design method and eyeglasses. The defocused eyeglass with a microlens array comprises a first surface and a second surface opposite to the first surface, a regular polygonal grid area is set outside the clear vision area of ​​the first surface, and a microlens is arranged in each regular polygonal grid. The defocused eyeglass is designed according to the preset energy ratio of the human eye, which can greatly improve the wearer's experience.

A spectacle lens is provided for a display device (1) which can be placed on the head of a user and generates an image, wherein the spectacle lens (3) has a front side (23) and a back side (11), an inlet section (12) and a deflection section (18) spaced from the inlet section (12), and a light guide channel (21) which guides light beams (L1) of the generated image, which are coupled into the spectacle lens (3) via the entrance section (12) of the spectacle lens (3), in the spectacle lens (3) through at least one reflection to the deflection section (18), from which they are deflected to exit the spectacle lens (3) via the rear side (11), wherein the light guide channel (21) has a base body (13) and a first channel boundary layer (16), wherein the base body (13) comprises a first interface (14) and a second interface (15), one of which faces away from the front side (23) and the other away from the rear side (11), wherein the first channel boundary layer (16) is applied directly to the first boundary surface (14) and is designed as an angle-dependent reflection layer which reflects the light beams (L1) only if their angle of incidence is greater than a predetermined first critical angle, and wherein a first colored layer is applied to the first channel boundary layer (16), which is designed as an adhesive layer or as a lacquer layer.

The utility model discloses a spectacle lens chamfering mechanism, which belongs to the technical field of spectacle lens processing and comprises a shell, a turntable is rotatably mounted on the inner top wall of the shell, sleeves are uniformly arranged at the bottom of the turntable, springs are fixed in the sleeves, sleeve rods are fixed at the bottom ends of the springs, abutting blocks are hinged to the bottom ends of the sleeve rods, and the abutting blocks are hinged to the inner top wall of the shell. A motor is installed on the inner bottom wall of the shell, a tray is fixed to an output shaft of the motor, and a supporting rod is fixed to the middle of the top of the tray. Through cooperative use of the shell, the rotating disc, the sleeve, the spring, the sleeve rod, the abutting block, the motor, the tray, the supporting rod, the supporting block, the hydraulic rod, the reinforcing block, the hydraulic cylinder and the grinding machine, the placement angle of the spectacle lens can be adjusted according to different use requirements, the purpose of conveniently chamfering the spectacle lens at different angles is achieved, manual adjustment is not needed, time and labor are saved, and the working efficiency is improved. The operation is convenient, so that the practicability of the spectacle lens chamfering mechanism is improved.

Microlens peripheral defocus eyeglasses belong to the technical field of eyeglasses. The eyeglasses of the present invention are arranged as a central correction area, a nasal microlens area, a temporal microlens area, and a lower microlens area. The nasal microlens area and the temporal microlens area are each provided with two gradient microlens areas with different refractive powers and a full-quantity microlens area. Or the eyeglasses are arranged as a central correction area and an annular microlens area. The annular microlens area is provided with two gradient annular microlens areas with different refractive powers and a full-quantity annular microlens area, or the lower area of ​​the annular microlens area is provided with an annular lower microlens area. The microlens area is composed of a plurality of independent microlens arrays, and at least two or more microlenses in the microlens array area have different refractive powers, shapes, and diameter lengths. The independent microlens is arranged as a convex lens relative to the central correction area, with a diameter length of 0.2 mm to 4.5 mm, and a distance between two adjacent microlenses of 0.1 mm to 0.4 mm.

According to the fish-eye lens stain detection method, a detection device, a fish-eye lens fixing device and a shooting module are included; the detection device comprises a picture reading module, the picture reading module is in data connection with a binarization processing module, the binarization processing module is in data connection with a circle center and radius calculation module, and the circle center and radius calculation module is in data connection with an image preprocessing module. According to the fish-eye lens stain detection method, a binarization threshold value is set, a dark boundary is extracted, a circle is fitted through boundary coordinate points, an area in the circle is identified and detected, a center area and a frontier detection area are divided with the circle center as the center and the radius as the edge (judgment standards are different, such as contrast, etc. And detecting in the pair area to judge whether stains exist or not.

The present disclosure relates to an ophthalmic lens comprising an optical zone and a control zone. And the optical area can provide a correction effect on the vision of the ametropia patient. The control area surrounds the central optical area of the spectacle lens and comprises control subunits which are sequentially arranged in the circumferential direction, each control subunit is provided with a plurality of first lens arrays and second lens arrays which are parallel to one another, each first lens array comprises a plurality of first lenses which are attached to one another, and each second lens array comprises second lenses which are attached to one another. The change rate of the modulation-demodulation function of each control subunit at adjacent positions in the circumferential direction under each frequency is extremely small, and the size of the point sequence diagram is not changed, and the directions are different. The spectacle lens can achieve a long-term effective ametropia prevention and control effect.

The utility model relates to the field of spectacle lens coating, and discloses coating equipment for spectacle lenses, which comprises a main body, a mounting cavity is formed in the main body, a rotary drum is rotatably arranged in the mounting cavity, and cleaning liquid is placed in the rotary drum; a power mechanism is mounted in the mounting cavity and is in transmission connection with the rotary drum; a fixed plate is in sealed running fit in the rotary drum, the fixed plate is coaxially and fixedly connected with a fixed column, and the fixed column penetrates through the rotary drum and is fixedly connected with the main body; the rotary drum is rotationally arranged on the fixed column; a rotating shaft is rotationally arranged on the fixing plate, a storage box is installed on the rotating shaft, and a clamping piece is arranged in the storage box and clamps a lens; the rotary drum and the rotary shaft are in transmission connection through a linkage assembly. The rotary drum can be driven to rotate through the power mechanism and the linkage assembly, the rotary shaft can also be driven to rotate, one driving source is dual-purpose, the structure is simple, the manufacturing cost is greatly reduced, and the economic benefit is improved.

The invention discloses a peripheral retina data-based microstructure lens and a design method, and the lens comprises a mother lens which is provided with a first surface facing the retina of a human eye; the first surface comprises a central luminosity area, a luminosity modulation area and a luminosity compensation area which are arranged in sequence; the central luminosity area, the luminosity modulation area and the luminosity compensation area are respectively arranged around the optical center in a concentric circle mode; the luminosity modulation area is provided with a plurality of first areas which are divided into equal areas, the luminosity compensation area is provided with a plurality of second areas which are divided into equal areas, and the first areas and the second areas are adjacent in the first direction and jointly matched so as to be used for intervening the imaging quality of the retina within the pupil range. Peripheral retina data is adopted to carry out design compensation on spectacle lenses, so that a more accurate and more personalized correction mode is realized, and an optimal management method for inhibiting ametropia can be selected according to the actual condition of a wearer.

The invention discloses an LCOS optical illumination system for an AR-HUD projection unit, and belongs to the field of photoelectric illumination and display technologies. The system comprises an illumination light source, a collimating lens, a fly-eye lens, an optical diffuser, a wavelength selective light combination element, a polarized light conversion device, a relay lens, a PBS prism and an LCOS display chip. The illumination light source is a three-color LED light source and is composed of a red light LED, a green light LED and a blue light LED. After red primary light, green primary light and blue primary light are collimated by the collimation system, the light parallelism is optimized, the collimated light sequentially passes through the light diffusion element to optimize the light field uniformity and the fly-eye lens to eliminate the non-uniform illumination, then is unified into a single linear polarization state by the polarized light converter, is shaped by the relay system and keeps the light beam transmission quality, and finally is transmitted to the light source. And polarization state separation and light combination are realized through the PBS prism, and finally, the light is accurately coupled to the LCOS display chip, so that high-efficiency polarization state matching and imaging quality optimization are completed. According to the HUD-PGU system, the illumination brightness of the whole system is improved, the color reducibility of the system is improved, the illumination uniformity of system imaging is improved, the light energy utilization rate of the system is improved, meanwhile, the size of the HUD-PGU is reduced, and the manufacturing cost is reduced.

The utility model discloses a microstructure spectacle lens and a pair of glasses, and belongs to the technical field of eye vision optics. The lens comprises a mother lens and a plurality of prism units arranged on the mother lens; the mother mirror has a geometric center, and the plurality of prism units are arranged around the geometric center; the mother mirror has a thickness direction and a radial direction perpendicular to the thickness direction; each prism unit comprises a binding surface connected with the mother lens and at least one refracting surface protruding out of the mother lens in the thickness direction; the refracting surface and the binding surface are connected with each other; the refracting surface is inclined to the thickness direction; the maximum size of the binding face in the radial direction is n mm, the maximum size of the refraction face and the binding face in the thickness direction is m mm, and n / m is larger than or equal to 10 and smaller than or equal to 3000. The prism unit is arranged to deflect the light when the incident light passes through the refracting surface of the prism unit, so that the focus is deviated from the macular center of the retina, the imaging quality is influenced, and the effect of inhibiting further occurrence and development of ametropia is achieved.

The invention discloses an optimal design method of an illumination optical system with high energy utilization rate and high uniformity. The illumination optical system is mainly composed of a laser light source, a collimation and beam expansion lens group, a fly lens array unit, a relay lens group, a TIR prism group and a DMD. The optimization design method comprises the following steps: determining the optimal size of the fly-eye lens array through DMD parameters; the optimal parameters of the TIR prism group are calculated through the total reflection law and the Snell law, and the optimal deflection angle of the TIR prism group is analyzed through simulation; and the optimal deflection angle of the DMD is calculated based on the Scheimpflug principle. According to the method, the optimal relation between the uniformity and the energy utilization rate of the illumination system in the laser target simulator is determined, the uniformity and the energy utilization rate of the system are improved while the size of the system is reduced, and a research thought is provided for design of the target simulator or target scene simulation.

A vision detection apparatus is provided which comprises an eye lens, and the followings which are juxtaposed, with the eye lens as a common component: an ocular axial length measurement light path for measuring an ocular axial length of a detected eye; a diopter detection light path for obtaining refractive error information of the tested eye; an optotype light path for providing a fixation image for the detected eye 1 and enabling the detected eye to gaze stably; an eye position monitoring light path for performing three-dimensional positioning for the detected eye and collect imaging information of the detected eye. Through the present disclosure, it is possible to obtain information on refractive errors in the eyes, measure the anterior and posterior segment regions, and obtain eye parameters such as axial length, which has high practical value in vision detection of the teenagers.

The invention discloses a spectacle lens and a design method thereof. The spectacle lens comprises a lens body, wherein the lens body comprises a first surface arranged towards the retina of a human eye; the lens body is provided with an optical center which coincides with the geometric center of the first surface. The first surface comprises a retina refraction area, a retina periphery refraction area and a refraction correction area which are sequentially arranged from the optical center to the edge of the lens body; the retinal diopter, the peripheral retina diopter, and the diopter correction region are disposed around the optical center, respectively, and cooperate together to intervene in retinal imaging quality within the pupil range. According to the retina peripheral characteristics of the wearer, the micro-structure lens more adaptive to the retina of the human eye is designed, the retina peripheral diopter of the human eye can be more accurately obtained, and the progress of ametropia is efficiently intervened according to the characteristics of the retina peripheral diopter of the human eye.

The invention discloses a spectacle lens with a hexagonal cylindrical microstructure on the surface, and relates to the technical field of optical lenses, and the spectacle lens comprises a lens main body which is divided into a central optical area, a hexagonal cylindrical microstructure distribution area and a peripheral optical area from inside to outside in sequence by taking the geometric center of the lens main body as a circle point, the hexagonal cylindrical surface microstructure is arranged on the surface of the lens main body and comprises a plurality of regular girdle cylindrical surface microstructures and inverse girdle cylindrical surface microstructures which are concentrically arranged, the regular girdle cylindrical surface microstructures and the inverse girdle cylindrical surface microstructures are alternately arranged in the radial direction, and irregular astigmatism generates high-order disturbance on incident wave surfaces of human eyes. The method is mainly suitable for teenagers with fast myopia development, and low-order and high-order aberrations and myopia defocus can be alternately introduced into the peripheral retina view field, so that the effect of preventing and controlling the myopia of the teenagers is improved.

The invention provides a low-light-level enhancement camera imaging enhancement method and system, and the method comprises the steps: obtaining a target video shot by a microarray fly's-eye lens camera, carrying out the frame-by-frame splitting processing of the target video, so as to obtain a plurality of target video frames, and carrying out the preprocessing of the corresponding target video frames, so as to obtain a plurality of target images; establishing an initial filter, performing updating processing on the initial filter to obtain an updated filter, and performing adaptive filtering processing on the target image based on the updated filter to obtain a filtered image; identifying a noise level of the filtered image, and determining a low-light image frame based on the noise level; gaussian filtering processing and detail enhancement are carried out on the low-light image frame; according to the method, the corresponding low-light-level image is determined according to the noise level of the image, enhancement processing is carried out on the low-light-level image, the calculation complexity is remarkably reduced, and super-resolution enhancement of the low-light-level image is achieved.

The utility model relates to efficient contact lens polishing equipment which comprises a base, a motor is arranged on the right side in the base, a rotating disc is fixedly connected to the right side of an output shaft of the motor, an eccentric rod is fixedly connected to the right side of the rotating disc, and a first driving arm is movably connected to the outer portion of the eccentric rod. A rotating rod is fixedly connected to the left side of the first driving arm, a second driving arm is fixedly connected to the top of the rotating rod, and a third driving arm is hinged to the second driving arm. According to the efficient polishing equipment for the contact lenses, the rotating direction of the polishing block is the same as that of the contact lens body, the rotating speed of the polishing block is larger than that of the contact lens body, the rotating speed difference value of the polishing block and the contact lens body is the polishing speed of the contact lens body, and the polishing speed of the contact lens body is adjusted by adjusting the rotating speed of the second motor and the rotating speed of the third motor. And the polishing speed of the contact lens body can be accurately regulated and controlled.

The embodiment of the invention provides a laser illumination module, an optical projection system and intelligent head-mounted equipment. The laser illumination module comprises a first lens group, a fly eye lens, a second lens group, a reflector, an internal total reflection prism and a DMD chip. The first lens group comprises at least one of a first lens and a second lens and a diffusion sheet; the fly-eye lens is located on the light emitting side of the first lens group; the second lens group comprises a third lens and a fourth lens; the reflecting mirror is positioned on a light path between the third lens and the fourth lens; the internal total reflection prism is positioned on the light emitting side of the fourth lens; the DMD chip and the internal total reflection prism are arranged adjacently; the fourth lens can move along the optical axis of the fourth lens so as to change the interval between the fourth lens and the third lens and the interval between the fourth lens and the internal total reflection prism, and therefore zooming is achieved. And the DMD chip receives the zoomed illumination light, so that the laser illumination module can be matched with DMD chips with different sizes.

The embodiment of the invention provides an optical test method and device for identifying fly-eye lens defects and a medium. The optical test method for identifying fly's-eye lens defects comprises the following steps: enabling parallel light to pass through a fly's-eye lens to be tested and then to be projected to a lens group; focusing the light emitted by the fly's-eye lens through the lens group, so that the light forms a light spot of the fly's-eye lens on a preset imaging surface; comparing the light spot of the fly-eye lens with a standard light spot; and according to a comparison result, identifying whether the fly's-eye lens has defects or not.

The utility model relates to the field of near-eye display equipment, and discloses a lens module and AR glasses, and the lens module of one embodiment comprises an optical waveguide assembly which comprises an optical waveguide lens of which at least one side is provided with a grating structure; the first coating layer is arranged on the far-eye side of the optical waveguide assembly; and the near-eye lens assembly comprises an optical lens arranged on the near-eye side of the optical waveguide assembly. The lens module of another embodiment comprises an optical waveguide lens with a grating structure formed on at least one side; the near-eye lens assembly comprises an optical lens which is arranged on the near-eye side of the optical waveguide assembly, and the distance between the optical lens and the optical waveguide assembly is 0.01-10 mm; and no blue light prevention structure is arranged between the optical waveguide assembly and the near lens assembly. The first coating layer is moved to the far-eye side of the optical waveguide assembly, or the blue light preventing structure in the lens module is removed to avoid double images, ghosting images and the like, the overall transmittance of the lens is improved, and the definition and the use experience of a user using AR glasses to watch the real world are improved.

The invention belongs to the technical field of intelligent glasses, and discloses intelligent optical zoom glasses which comprise two glasses frames provided with lenses, a nose bridge frame is connected between the two glasses frames, the two glasses frames are provided with nose pads and pile heads, the two pile heads are respectively provided with a left glasses leg and a right glasses leg in a hinged mode, the lenses are optical waveguide glasses lenses, and the optical waveguide glasses lenses are optical waveguide glasses lenses. An electrochromic liquid crystal film is mounted on the front side of the lens; the nose bridge frame is provided with a distance sensor; according to the invention, under the combined action of the lens prism module and the optical waveguide spectacle lenses, rapid long-shot, close-shot, micro-distance and wide-angle zooming is realized, and intelligent zooming can be realized at any time through a distance sensor, a left brain-computer signal sensor and a right brain-computer signal sensor on a spectacle cross beam. Manual focusing can be carried out through a focusing key, and voice focusing can be carried out through a microphone.

The contact lens cleaning device comprises a cup body, a platinum neutralizing ring, a cup cover, a left lens clamp and a right lens clamp, wherein the left lens clamp and the right lens clamp are used for clamping lenses; an external thread is arranged at a cup opening of the cup body; the platinum neutralizing ring is positioned in the cup body; the left lens clamp and the right lens clamp are respectively connected with the cup cover to form a whole; the cup cover is screwed to the cup opening of the cup body in a threaded assembly mode, and the left lens clamp and the right lens clamp are both located in the cup body and located above the platinum neutralization ring. The device is simple in structural design and convenient to operate.

The utility model relates to a spectacle lens and a pair of frame spectacles. The spectacle lens comprises an optical region and a control region, and the optical area can provide a correction effect on the vision of the ametropia patient. The control area surrounds the central optical area of the spectacle lens and comprises control subunits which are sequentially arranged in the circumferential direction, each control subunit is provided with a plurality of first lens arrays and second lens arrays which are parallel to one another, each first lens array comprises a plurality of first lenses which are attached to one another, and each second lens array comprises second lenses which are attached to one another. And an included angle which is not less than 30 degrees is formed between a straight line section limited by each first lens array and an adjacent side on the triangle. The spectacle lens can achieve a long-term effective ametropia prevention and control effect.