Color Blindness Test Lens, Universal Adjustable Lightweight Improve Vision Red Green Color Blindness Lens Color Blind Lens for Training Red Green Blindness
Asin: B0D3LL25WK
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.Wide Application: Color Blindness Tester Is Very Practical To Use And Can Help You Test Color Blindness And Color Weakness, Suitable For Second Level Visual Function Check. This Is Used To Differentiate Between Red- And Green-Blind Persons..
Best Gift: Second Level Visual Function Test, Color Blindness And Color Weakness Test. You Can Give This Red Green Color Blindness Improvement Trainer As A Gift To Your Family, Friends And Colleagues Who Have Color Blindness Symptoms..
Usage Scenarios: Color Blindness Evaluator Can Improve Visual Clarity And Make Your Eyes More Comfortable, Suitable For Optometry Places, Optical Stores, Etc. You Can Also Do Vision Training At Home..
Adjustable Pupil Distance: The Pupil Distance Of This Red Green Blindness Vision Trainer Is Adjustable, With An Adjustable Range Of 1.7-3.3In And Can Be Used By Both Adults And Children. You Can Also Do Vision Training At Home..
Features
- Color Blindness Test Lens: The slide of the flip shot is stuck relatively tightly, and will not slide when flipped up and down, which can firmly fix the adjusted pupil distance and is not easy to loosen.
- Adjustable Pupil Distance: The pupil distance of this red green blindness vision trainer is adjustable, with an adjustable range of 1.7-3.3in and can be used by both adults and children. You can also do vision training at home.
- Wide Application: Color blindness tester is very practical to use and can help you test color blindness and color weakness, suitable for second level visual function check. This is used to differentiate between red- and green-blind persons.
- Usage Scenarios: Color blindness evaluator can improve visual clarity and make your eyes more comfortable, suitable for optometry places, optical stores, etc. You can also do vision training at home.
- Best Gift: Second level visual function test, color blindness and color weakness test. You can give this red green color blindness improvement trainer as a gift to your family, friends and colleagues who have color blindness symptoms.
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Brand: Agatige | Manufacturer: Agatige
Dimensions: 0.00 x 0.00 x 0.00 inches | Weight: 0.15 Pounds
See On Amazon Similar To Color Blindness Test Lens Universal
#1
JOYTUTUS Sun Visor for Car, Universal Anti-Glare Polarized Sun Visor Extender Easy to Install, UV400 Car Visor Extension Protect from Glare/UV Ray/Stray Light, Safe Driving for Car
Asin: B09R9HFP62 | Model: 001 | PartNumber: 001
【Better Close Fit】The Visor Design Has Been Added A Block Light Barrier, Which Solves The Problem Of Sunlight Irradiates The Eyes Through The Gap At The Top Of The Visor. Escort Your Driving Safety. Polarized Car Visor Lens Size: 12.6 Inch (L) *5 Inch (W). Length Of Block Light Barrier: 1.3 Inch..
【Quality Support】 Package: 1 Polarized Car Sun Visor + 1 Polarized Test Card + 1 Cleaning Cloth. We Provide 1-Year Quality Support For This Polarized Car Sun Visor. If You Have Any Problems With The Purchased Product, Please Feel Free To Contact Us, We Will Solve The Problem For You As Soon As Possible..
【4-In-1 Multifunction】 1. In Summer- Can Block The Sun To Protect Your Eyes. 2. In Winter- Can Reduce Snow Blindness And Allow You To Drive Safely. 3. In Foggy- It Can Increase Visibility In Fog To Maintain A Safe Distance. (Note: It Is Not Recommended To Use The Sun Visor For Car In The Dark.).
【Quick Installation 】Car Visor Extender Only Takes 5 Seconds To Install Quickly, Fits Perfectly To The Original Visor, Ensuring Your Extender Never Moves And Doesn't Fall Off While Driving. Fits Most Cars. Pinch The Spiral Plastic Spacers On The Left And Right Sides And Enjoy A Fingerprint-Free 180-Degree Angle Adjustment Of The Polarized Visor.The Sunshade Lens Is Made Of High-Quality Pc Material, Which Is Resistant To High Temperature And Not Easily Deformed..
Features
- PROTECT YOUR EYES Sun visor extender protects your eyes like sunglasses. The polarizing plate can eliminate glare and provide you with a clear vision. Make the visual environment soft and comfortable, reducing eye fatigue. Patented Design
- QUICK INSTALLATION Car visor extender only takes 5 seconds to install quickly, Fits perfectly to the original visor, ensuring your extender never moves and doesn't fall off while driving. fits most cars. Pinch the spiral plastic spacers on the left and right sides and enjoy a fingerprint-free 180-degree angle adjustment of the polarized visor.The sunshade lens is made of high-quality PC material, which is resistant to high temperature and not easily deformed.
- BETTER CLOSE FIT The visor design has been added a block light barrier, which solves the problem of sunlight Irradiates the eyes through the gap at the top of the visor. Escort your driving safety. Polarized car visor lens size: 12.6 inch (L) *5 inch (W). Length of block light barrier: 1.3 inch.
- 4-IN-1 MULTIFUNCTION 1. In summer- Can block the sun to protect your eyes. 2. In winter- Can reduce snow blindness and allow you to drive safely. 3. In foggy- It can increase visibility in fog to maintain a safe distance. (Note: It is not recommended to use the sun visor for car in the dark.)
- QUALITY SUPPORT Package: 1 polarized car sun visor + 1 polarized test card + 1 cleaning cloth. We provide 1-year quality support for this polarized car sun visor. If you have any problems with the purchased product, please feel free to contact us, we will solve the problem for you as soon as possible.
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Brand: JOYTUTUS | Manufacturer: JoyTutus
Dimensions: 0.04 x 12.60 x 6.30 inches
Warranty: 1 year
See On Amazon #2
TIME TIMER 8 inch Visual Timer - 60 Minute Desk Countdown Clock with Dry Erase Activity Card, Also Magnetic - for Kids Classroom, Homeschooling Study Tool, Task Reminder, Home and Kitchen Timer
Asin: B08FBJCRMD | Model: TT08B-W | PartNumber: TT08B-W | Ean: 0051497166311 | UPC: 051497166311
Easy To Use — The Timer For Kids Provides No Loud Ticking For Concentration And A Dry-Erase Activity Card To Write Down Tasks And Placed On Top Of The Slot As A Reminder Optional Audible Alert — The Homework Timer Provides An Optional Alarm Feature For Sound-Sensitive Environments; Ideal For Activities Such As Doing Homework, Reading, Studying, Cooking And Working Out Product Details — The 7.5 Inches X 1.25 Inches X 7.5 Inches Visual Timer Requires 2 Aa Batteries (Not Included). The Portability And Size Of The Countdown Timer Is Ideal For Individual Use Or Small Groups. The Magnetic Clock Timer Can Be Used As A Wall Mount Or Stand With Foldable Feet On A Kids' Desk.
Special Needs — The Visual Design Of The Desk Timer Helps To Ease Transitions Between Activities And Encourages Independence And Productivity For All Abilities, Including Those With Autism, Adhd, Or Other Special Needs.
Features
- TIME MANAGEMENT The 60-minute learning clock helps to stay on task, and assist with organization and concentration during study time. The dry-erase activity card helps to keep track of a task list and daily reminders
- SPECIAL NEEDS The visual design of the desk timer helps to ease transitions between activities and encourages independence and productivity for all abilities, including those with autism, ADHD, or other special needs
- EASY TO USE The timer for kids provides no loud ticking for concentration and a dry-erase activity card to write down tasks and placed on top of the slot as a reminder OPTIONAL AUDIBLE ALERT The homework timer provides an optional alarm feature for sound-sensitive environments; ideal for activities such as doing homework, reading, studying, cooking and working out PRODUCT DETAILS The 7.5 inches x 1.25 inches x 7.5 inches visual timer requires 2 AA batteries (not included). The portability and size of the countdown timer is ideal for individual use or small groups. The magnetic clock timer can be used as a wall mount or stand with foldable feet on a kids' desk
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Brand: TIME TIMER | Manufacturer: Time Timer
Dimensions: 7.50 x 7.50 x 1.25 inches | Weight: 0.77 pounds
Warranty: One year replacement warranty.
See On Amazon #3
Ishihara Test Chart Books, for Color Deficiency
Asin: B000FLTPZU | Model: 1254 | PartNumber: 1254 | Ean: 0717076043021 | UPC: 717076043021
Includes Four Special Plates For Tests To Determine The Kind And Degree Of Defect In Color Vision..
Ghf1254.
Image May Not Reflect Actual Product Sold. Please Read Description Carefully..
Package Info: Each.
Features
- Grafco Ishihara Test Chart Book
- Package Info: Each
- Includes four special plates for tests to determine the kind and degree of defect in color vision.
- Image may not reflect actual product sold. Please read description carefully.
- GHF1254
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Brand: Graham-Field | Manufacturer: Graham Field
Dimensions: 0.00 x 0.00 x 0.00 inches
See On Amazon #4
SAILEAD Sun Visor for Car - Polarized, Universal Car Visor Extender Sun Blocker, Sunglass Holder for Car Visor, Sunglasses Clip - Protects from Sun Glare, Snow Blindness and UV Rays
Asin: B07RZ7BDZS | Model: SL-AU-5 | PartNumber: SL-AU-5 | Ean: 0720355258733, 0720355260569 | UPC: 720355258733, 720355260569
[Spring Loaded & Automatic Installation]: Spring Design Makes It Easiest To Install, You Can Install Our Visor Just By One Hand..
[Polycarbonate & Best Durability] 60 Times Stronger Than Glass, 20 Times Stronger Than Tac, 10 Times Stronger Than Resin, Our Car Sun Visors Also Have Better Light Transmission, Impact-Resistance, Temperature Resistance And Scratch-Resistance, Giving Maximum Strength And Durability For Long Lasting Usage..
[Uv400 Visor & Protects Your Eyes] Our Visors Protect Your Vision Against Various Ranges Of Harmful Radiation From The Invisible And Visual Spectrum, Block Uv Rays 100%, Whether You’Re Stuck In Strong Sunlight Or You’Re Sensitive To Light, Our Visors Provide Full Eye And Skin Protection..
[360° Rotation & Free Height Adjustment] : Our Sun Visor Uses The Unique Cardan Shaft To Adjust The Angle Of Visor Extender. Position Can Also Be Adjusted By Height Adjustment Slider. Which Makes It Fit For All People And Cars. Compatible With Visor's Width Range From 5.1 Inch To 8.2 Inch..
Features
- [POLARIZED VISOR & CUT GLARE] Our car sun visor extender uses NASA polarizing technology to filter out the reflected light , eliminate the distracting and blinding glare that causes visual discomfort in any sunny situation. Paired with polarized tester card, you can also test the effect of other sun visors and sunglasses
- [360 ROTATION & FREE HEIGHT ADJUSTMENT] : Our sun visor uses the unique Cardan Shaft to adjust the angle of visor extender. Position can also be adjusted by Height Adjustment Slider. Which makes it fit for all people and cars. compatible with visor's width range from 5.1 inch to 8.2 inch.
- [SPRING LOADED & AUTOMATIC INSTALLATION]: SPRING DESIGN makes it Easiest to Install, you can install our visor just by one hand.
- [UV400 VISOR & PROTECTS YOUR EYES] our visors protect your vision against various ranges of harmful radiation from the invisible and visual spectrum, Block UV rays 100%, Whether you re stuck in strong sunlight or you re sensitive to light, our visors provide full EYE AND SKIN PROTECTION.
- [POLYCARBONATE & BEST DURABILITY] 60 times stronger than glass, 20 times stronger than TAC, 10 times stronger than resin, our car sun visors also have better light transmission, impact-resistance, temperature resistance and scratch-resistance, giving maximum strength and durability for long lasting usage.
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Brand: SAILEAD | Manufacturer: SAILEAD
Dimensions: 2.99 x 13.23 x 7.36 Inches
See On Amazon #5
Ishihara Test Chart Books for Color Deficiency 38 Plates with User Manual and One Eye Occluder by KASHSURG
Asin: B00Q4B8VI2
Hidden Digit Design: Only Colorblind People Are Able To Spot The Sign. If You Have Perfect Color Vision, You Won’T Be Able To See It..
Classification Design: This Is Used To Differentiate Between Red- And Green-Blind Persons. The Vanishing Design Is Used On Either Side Of The Plate, One Side For Deutan Defects An The Other For Protans..
Transformation Design: Color Blind People Will See A Different Sign Than People With No Color Vision Handicap..
Features
- Vanishing design: Only people with good color vision can see the sign. If you are colorblind you won t see anything.
- Transformation design: Color blind people will see a different sign than people with no color vision handicap.
- Hidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you won t be able to see it.
- Classification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans.
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Brand: KANEHARA | Manufacturer: JAPAN
See On Amazon #6
Ishihara Test for Colour Blindness 14 Plates Concise Edition Ship from USA
Asin: B01JA66TWW | Model: ISH-14PL | PartNumber: ISH-14PL
2018 Edition.
Concise Edition Of 14 Plates With User Manual..
Features
- Ishihara Test for Color Blindness 14 Plated Concise Edition
- Concise Edition of 14 Plates with User Manual.
- 2018 Edition
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Brand: Visionären | Manufacturer: Ishihara
See On Amazon #7
ISHIHARA Color Vision Test Book with 38 Plate with User Manual Vision Testing Charts Optometry Color Deficiency Test Book Plates for Testing All Forms of Color by AAIRA
Asin: B0BSBRH8FG
Diagnostic Plates: Intended To Determine The Type Of Color Vision Defect..
Each Book Contains 38 Pages..
Color Plates Encased In Specially Designed Album-Type Books For Ease Of Handling. Detailed Instructions Included..
Features
- Individual'S With Color Vision Defect Should See A Different Figure From Individuals With Normal Color Vision
- Color Plates Encased In Specially Designed Album-Type Books For Ease Of Handling. Detailed Instructions Included.
- Diagnostic Plates: Intended To Determine The Type Of Color Vision Defect.
- Each Book Contains 38 Pages.
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Brand: Generic | Manufacturer: AAIRA
See On Amazon #8
38 Plates ISHIHARA Book for Colour Blindness Eye Testing
Asin: B07FVZPZ7L
Transformation Design: Color Blind People Will See A Different Sign Than People With No Color Vision Handicap..
Classification Design: This Is Used To Differentiate Between Red- And Green-Blind Persons. The Vanishing Design Is Used On Either Side Of The Plate, One Side For Deutan Defects An The Other For Protans..
Hidden Digit Design: Only Colorblind People Are Able To Spot The Sign. If You Have Perfect Color Vision, You Won’T Be Able To See It..
Vanishing Design: Only People With Good Color Vision Can See The Sign. If You Are Colorblind You Won’T See Anything..
Features
- 38 Plate edition of so called pseudoisochromatic plates, each of them showing either a number or some lines.
- Vanishing design: Only people with good color vision can see the sign. If you are colorblind you won t see anything.
- Transformation design: Color blind people will see a different sign than people with no color vision handicap.
- Hidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you won t be able to see it.
- Classification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans.
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Brand: BEXCO | Manufacturer: BEXCO
See On Amazon #9
KANEHARA Ishihara Test Chart Books for Color Deficiency 24 Plates. by KANEHARA
Asin: B0195NKA84 | Model: ISH002 | PartNumber: ISH002 | Ean: 0782794897478 | UPC: 782794897478
Brand: KSIPL | Manufacturer: IMPORTED
See On Amazon #10
Ishihara Test Book 38 Plates with Eye Occluder Handheld
Asin: B082L3BPXY | Ean: 8906121590142
Combo Pack (Ishihara Book And Occluder).
Eye Occluder For Eye Examination Handheld Type.
Features
- Ishihara Color Vision Book 38 Plates Latest Edition
- Eye Occluder for Eye Examination Handheld Type
- Combo Pack (Ishihara Book and Occluder)
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Brand: KSIPL | Manufacturer: KT
See On Amazon #11
CHILDWEET Color Blindness Test Card Test Book for Color Deficiency Color Blind Testing Book Color Chart Color Blind Testing Charts Eye Exam Chart Eye Chart Manual Color Card Paper
Asin: B0CTQN4RNC
Vision Test Book For Color Deficiency-- Portable And Lightweight, Stable To Use, Durable And Can Be Used For A Long Time..
Test Book For Color Deficiency-- Simple Design, Easy To Use, Clear Printing, Easy To Identify, Useful And Practical..
Visual Examination Chart-- Specifically Designed In English Version To Facilitate Easy Testing By English-Speaking Users..
Color Blind Testing Charts-- Portable And Easy To Store, Making It A Practical Tool For Use In Multiple Settings..
Features
- Eye testing chart for eye exam-- offers a comprehensive and user-friendly way to assess drivers' vision for safe driving.
- Color blind testing charts-- portable and easy to store, making it a practical tool for use in multiple settings.
- Vision test book for color deficiency-- portable and lightweight, stable to use, durable and can be used for a long time.
- Visual examination chart-- specifically designed in english version to facilitate easy testing by english-speaking users.
- Test book for color deficiency-- simple design, easy to use, clear printing, easy to identify, useful and practical.
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Brand: CHILDWEET | Manufacturer: CHILDWEET
Dimensions: 0.12 x 3.82 x 3.35 inches | Weight: 0.03 pounds
See On Amazon #12
Ishihara Color Vision Test Book 24 Plates with User Manual
Asin: B09VBPVC6J | Ean: 8906121590685
The Most Widely Used Standard Of Color Vision Screening In A Book Form. Instructions Included..
Includes Four Special Plates For Tests To Determine The Kind And Degree Of Defect In Color Vision..
Features
- Ishihara Color Vision Book 24 Plates Concise Edition
- Includes four special plates for tests to determine the kind and degree of defect in color vision.
- The most widely used standard of color vision screening in a book form. Instructions Included.
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Brand: Bawsh | Manufacturer: Kanehara
See On Amazon #13
ISHIHARA Color Vision Test Book with 14 Plate with User Manual Occluder
Asin: B09RK5G3JR | Ean: 0880024008721 | UPC: 880024008721
Hidden Digit Design: Only Colorblind People Are Able To Spot The Sign. If You Have Perfect Color Vision, You Won’T Be Able To See It..
Classification Design: This Is Used To Differentiate Between Red- And Green-Blind Persons. The Vanishing Design Is Used On Either Side Of The Plate, One Side For Deutan Defects An The Other For Protans..
Transformation Design: Color Blind People Will See A Different Sign Than People With No Color Vision Handicap..
Features
- Vanishing design: Only people with good color vision can see the sign. If you are colorblind you won t see anything.
- Transformation design: Color blind people will see a different sign than people with no color vision handicap.
- Hidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you won t be able to see it.
- Classification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans.
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Brand: Kanehara | Manufacturer: Swayam Exports
See On Amazon #14
Ishihara Colour Vision Test Book for Color Deficiency 24 Plates with User Manual
Asin: B01N7NFWT2
Diagnostic Plates: Intended To Determine The Type Of Color Vision Defect.
Ishihara Test Chart Books For Color Deficiency 24 Plates With Usar Manual.
Makes Use Of The Peculiarity That In Red-Green Blindness, Blue And Yellow Appear Remarkably Bright Compared With Red And Green.
Features
- individuals with color vision defect should see a different figure from individuals with normal color vision.
- Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green
- Diagnostic plates: intended to determine the type of color vision defect
- Ishihara Test Chart Books for Color Deficiency 24 Plates with usar manual
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Brand: PSM | Manufacturer: Pal Surgical And Medical
See On Amazon #15
Ishihara Color Vision Book 24 Plates with Eye Occluder (Combo Pack)
Asin: B082L37KX7 | Ean: 8906121590159
Pack Of 2 Pc (Ishihara Book & Eye Occluder)..
Eye Occluder For Eye Examination..
Features
- Ishihara Book 24 Plates Latest Edition.
- Eye Occluder for Eye Examination.
- Pack of 2 Pc (Ishihara Book & Eye Occluder).
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Brand: KSIPL | Manufacturer: KSIPL
See On Amazon #16
Ishihara Test Chart Books, for Color Deficiency
Asin: B09KGPL78N | Ean: 3233664162266
The Third Type Is The 14-Plate(Latest)Edition. On The Average, Charts Of Highest Accuracy Were Selected From The 38 Plate(Complete) Edition To Conduct Minimum Examinations Of Color Deficiency..
Ishihara Colour Blindness Book 14 Plates With User Manual. 14 Plates Latest Edition. The Ishihara Colour Deficiency Test Is Ideal For Commercial Industrial Colour Screening For Protan And Deutan Defects..
Color Plates Encased In Specially Designed Album-Type Books For Ease Of Handling. Detailed Instructions Included..
Patients Must Identify Numbers Or Patterns Formed In A Matrix Of Small Coloured Dots Varying In Colour And Intensity (Pseudo-Ischromatic Plates)..
Features
- The Ishihara Colour Deficiency Test is ideal for commercial/ industrial colour screening for protan and dutan defects.
- Patients must identify numbers or patterns formed in a matrix of small coloured dots varying in colour and intensity (pseudo-ischromatic plates).
- The third type is the 14-plate(latest)edition. On the average, charts of highest accuracy were selected from the 38 plate(Complete) Edition to conduct minimum examinations of color deficiency.
- Color plates encased in specially designed album-type books for ease of handling. Detailed instructions included.
- Ishihara Colour Blindness Book 14 Plates with User Manual. 14 Plates Latest EDITION. The Ishihara Colour Deficiency Test is ideal for commercial Industrial colour screening for protan and deutan defects.
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Brand: Ishihara | Manufacturer: Kanehara & CO. Ltd
Dimensions: 0.98 x 7.09 x 6.30 inches | Weight: 0.30 Kilograms
See On Amazon #17
Ishihara Color Vision Test Book of 38 Plates with User Manual
Asin: B0764C9YMC
Hidden Digit Design: Only Colorblind People Are Able To Spot The Sign. If You Have Perfect Color Vision, You Won’T Be Able To See It..
Classification Design: This Is Used To Differentiate Between Red- And Green-Blind Persons. The Vanishing Design Is Used On Either Side Of The Plate, One Side For Deutan Defects An The Other For Protans..
Transformation Design: Color Blind People Will See A Different Sign Than People With No Color Vision Handicap..
Features
- Vanishing design: Only people with good color vision can see the sign. If you are colorblind you won t see anything.
- Transformation design: Color blind people will see a different sign than people with no color vision handicap.
- Hidden digit design: Only colorblind people are able to spot the sign. If you have perfect color vision, you won t be able to see it.
- Classification design: This is used to differentiate between red- and green-blind persons. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans.
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Brand: KASHSURG | Manufacturer: INDIA
Weight: 1.10 pounds
See On Amazon #18
Ishihara Color Deficiency Test Book 38 Plates
Asin: B001D1NTOO | Model: ISH-003 | PartNumber: ISH-003
Color Vision Test Book.
Brand: Visionären | Manufacturer: Kanehara
Weight: 0.00 Pounds
See On Amazon #19
Ishihara Test Chart Book for Color Deficiency 38 Plates Latest Edition with User Manual and One Eye OCCLUDER
Asin: B07M7GLT85 | Ean: 7432136885849
Includes Four Special Plates For Tests To Determine The Kind And Degree Of Defect In Color Vision..
Color Plates Encased In Specially Designed Album-Type Books For Ease Of Handling..
Makes Use Of The Peculiarity That In Red-Green Blindness, Blue And Yellow Appear Remarkably Bright Compared With Red And Green..
A Simple And Accurate Method For Discovering Congenital Color Blindness And Red-Green Blindness, Each In Two Forms, Complete And Incomplete..
Features
- 38 Plate Book with Instruction Manual and 1 eye Occluders ( Occluder provided is Same as in Image 2 )
- A simple and accurate method for discovering congenital color blindness and red-green blindness, each in two forms, complete and incomplete.
- Includes four special plates for tests to determine the kind and degree of defect in color vision.
- Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green.
- Color plates encased in specially designed album-type books for ease of handling.
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Brand: Kanehara | Manufacturer: Kanehara
Weight: 0.99 pounds
See On Amazon #20
Aist Optics Ishihara Test Chart Books Color Vision Test Book with 38 Plate
Asin: B0B3X9VH3S | Ean: 8056893409644
Hidden Number Design: Only Colorblind People Can Spot This Sign. If You Have Perfect Color Vision, You Won't Be Able To See It..
Categorical Design: Used To Differentiate Between Red-Blindness And Green-Blindness. Vanishing Is Designed To Be Used On Either Side Of The Board, One For Deutan Defects And The Other For Protans..
Conversion Design: People With Color Blindness See Different Signs Than People Without Color Vision Impairment. With Instructions For Use.
Features
- Disappearing Design: Only people with good color vision can see the logo. If you are colorblind, you cannot see anything. With instructions for use
- Conversion Design: People with color blindness see different signs than people without color vision impairment. With instructions for use
- Hidden Number Design: Only colorblind people can spot this sign. If you have perfect color vision, you won't be able to see it.
- Categorical Design: Used to differentiate between red-blindness and green-blindness. Vanishing is designed to be used on either side of the board, one for deutan defects and the other for protans.
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Brand: Generic | Manufacturer: Japan
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