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Features:1. The device will greatly assist in the quick and easy location of the various manufacturers' marks placed on the progressivelenses2. This is achieved by special background contrasting and lighting3. Adjustable inclination for a better reading4. LED bulbs5. The mounted magnifier assists in the reading of these marks (Manufacturers' marks, Lens type ID, Added power)6. Test the lens strain to avoid the new blurry area7. Check the quality if the surface and coating of the lensFunctions:A. Testing the Lens Strain1. Power on. Hold the lens between the light source and the polarized

Features:9-sided line: 9 horizontal lines of different heights can be drawnAnti-slip rubber ring: Used for line drawing pen non-slipAluminum alloy material, laser lettering, durable Notes:Quickly distinguish between primary and secondary holes: six adjacent holes with scales and rubber rings in the holes are the mainhole, and the other is the secondary holeMain hole scale: 10/12.5/15/20/22.5/25Secondary hole scale: 17.5 (8.25 and 26.75 are not commonly used so they are not marked) Instructions1. The vertical height measurement of the frame (or the interpupillary distance ruler)2. Confirm the

Features:Description:100% brand new & high qualityColor:BlueSize:60*40mm/2.36*1.57"(approx.)The white area is the test areaPackage include:10pcs Anti Blue Test CardNote:Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Payment &

Features:Summary:In indoors or under the sun to test the lens whether photochromic Lens, or test the photochromic Lens's color.Detailed Product Description:1, Do not need sunlight to make photochromic Lens change color at once.2, convenient and quick operation.Parameter:Electric Voltage：220V/50Hz or 110V/60HzPower：30WWeight：0.5kgVolume：23(L)x10.5(w)x12(H)cmPayment &

Features:Deze Tool is ideaal voor buigen brillen Been, roterende schroeven kan worden aangepast up en down links en rechts.Maat: 65mm x 50mm x 17mm (ca.)Payment &

Features:The machine is used to test the stress condition of lens, multi focus of lens,and test if it is injured on the lens surface,arequiring equipment for glasses factories or glasses shop.Functions①Stress Testing Point:To test the situation about the stress of the lens.②Multifocal Testing Point :To check the multifocal lens.③Surface Testing Point:To test the surface of the lens whether there are any scratches.SpecificationsVoltage: 110v/220v,60hz/50hz AC 120wDimension: 350X280X200mmPayment &

Features:Observing the light and shade stripes of the lenses, understanding the internal deflection, not only for transparent lenses, but also for a wide range of colored lenses.Detailed product description:1, can rotate the polarizer rotating disk, adjust brightness;2, the lens can be directly placed on the lens seat can be observed, simple and easy to use.Parameter:Voltage: 220V/50Hz or 110V/60HzPower: 15WNet weight: 0.5kgInner box size: 17 (L) X12 (W) X20 (H) cmPayment &

Features:Optical Polariscope Lens Stress Tester Detector Measurer With Led Lamp1.Easy ,clear and simple to test lens or finished glasses,LED lamp.2.Test the inside stress situationPayment &

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Features:Paper Size: 130mm(L)x35mm(W)Pin distance: 95mm from hole center to hole centerHole diameter: 6mmQuantity: 700sheets/ 2packs Optical Chin rest paperPayment &

Features:This model is very realistic and vivid, even for the details.This product, made of durable PVC, is enlarged 6 times of the natural human eyeball.It is used for demonstrating the structures of the eyeball.This model is designed as an aid for the teaching of hygiene and physiology courses.The eyeball model can be disassemble, perfect for teaching and learning.Specifications:Material: PVCMain Color: White+Red (As pictures shown)Eyeball Diameter: 16cm/6.30inEquipment Size: 10cmx10cmx25cm/3.94inx3.94inx9.84inQuantity: 1 PcNote:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to

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Features:If you are looking for an eyeball model, then you must not miss our eyeball model. Made of PVC material, it is and durable. The model is used to show the anatomy of the human eye. Suitable for teaching and displaying.Features- Color: Random color for yellow series.- Material: PVC.- Size: 16.50X13.00X12.00cm/6.48X5.11X4.72 inch.- This PVC cornea eyeball model is realistic, just like a real eyeball.- Lightweight and strong, you can put it on the table to show the explanation, and you can hold it in your hand.- It is an intuitive teaching aid suitable for schools to explain the course

Features:Phoropter Dust CoverIdeal cover to protect your phoropters against dust and environment;Well fit most brands like A/O, Topcon, Reichert, Marco and Takagi;Large opening with zipper track for easy putting on;Cover size: 48cm(max width) X 33cm(max height).Payment &

Features:If you are looking for an eyeball model, then you must not miss our eyeball model. Made of PVC material, it is and durable. The model is used to show the anatomy of the human eye. Suitable for teaching and displaying.Features- Color: Random color for yellow series.- Material: PVC.- Size: 16.50X13.00X12.00cm/6.48X5.11X4.72 inch.- This PVC cornea eyeball model is realistic, just like a real eyeball.- Lightweight and strong, you can put it on the table to show the explanation, and you can hold it in your hand.- It is an intuitive teaching aid suitable for schools to explain the course

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