See what it is like to be colorblind by simulating each type. Take a color blindness test to check your vision, and create your own custom colorblind tests to share with others. Learn about what color blindness is, the different kinds, and the effects of it.

If you are colorblind, use this tool to extract colors from the world around you to help you see color better. And share with others was your world is like when they ask.

Features include:
-- Realtime color blind vision –
Use your camera to look through the eyes of the Colorblind.

-- Colorblindness test –
Take a classic Ishihara Test (dot test) to classify if you are colorblind. Build your own tests to say anything you want. Ever wanted to write a message that a colorblind person couldn't read?

-- Learn about color blindness –
Learn more about colorblindness, what it is, how it affects people, and the advantages and disadvantages of it.

-- Extract colors -
Pull out individual colors. Perfect for anyone who is colorblind. Can be used while playing board games to distinguish the pieces, or to help you tell if your clothes match.

Note: This is the free version of Colorblind Vision that has ads.

Color Test is a Cassiopeia-authorized port of the Ishihara test for color vision deficiencies ("color blindness") popular with vision specialists and laypeople alike. The iPhone version of this application has been used and recommended by many doctors across many fields.

Please email the developer with any problems. Simply clicking one star in the comments does not help anyone solve anything for the future. Please send an email with your device specifics and what actions caused the problem. Thank you!

Are you color blind? Did you know that there are actually three distinct types of color blindness? Unlike other freely available tests which are simple pass-fail screening tests, the EnChroma test uses the principles of color vision science to measure the type and extent of color vision deficiency.

This test was created by the EnChroma team to assist in the correct recommendation of color enhancing eyewear products. EnChroma, Inc. is a Berkeley, CA company that makes innovative eyewear products for medical, industrial and lifestyle markets. EnChroma eyewear products are based on an advanced multi-band spectral filtering technology that is computer-optimized for use with specific types of color vision.

On completion of the test, the type and extent of color vision deficiency will be reported, along with a recommendation for which EnChroma eyewear products are best optimized for use with your vision. A copy of your result can be sent by email from this app.

Are you color blind? Try the Color blindness correction app.

Color blindness correction is an augmented reality application that enhances images to make areas confused by color-blind people visible.

It also provides a color-naming feature.

Image processing is done in real-time by using pictures from the device camera. It is possible to process any other still pictures as well!

All the color-blindness types are supported. Several correction modes are proposed like color correction and edges detection.

A simulation mode is available to show your friends how you see the world!

Have you ever wondered whether you're color-blind or not?

By completing this test, you will be able to know it approximately.

This is an Color Blindness Test (CBT) app, which use the the Ishihara Color Test to test peoples's color perception.
The Ishihara Color Test was named after its designer, Dr. Shinobu Ishihara, a professor at the University of Tokyo.
The test consists of a number of colored plates, called Ishihara plates, each of which contains a circle of dots appearing randomized in color and size. Within the pattern are dots which form a number or shape clearly visible to those with normal color vision, and invisible, or difficult to see, to those with a red-green color vision defect, or the other way around. The full test consists of 38 plates, but the existence of a deficiency is usually clear after a few plates. There is also the smaller test consisting only 24 plates. This app is an 24-plates test.
The plates make up several different test designs:
- Transformation plates: individuals with color vision defect should see a different figure from individuals with normal color vision.
1) Vanishing plates: only individuals with normal color vision could recognize the figure.
2) Hidden digit plates: only individuals with color vision defect could recognize the figure.
3) Diagnostic plates: intended to determine the type of color vision defect (protanopia or deuteranopia) and the severity of it.

Check your color vision

Let's try it !!!

Advanced Vision Test allows you to quickly and accurately measure your vision acuity.

This app is based on the popular Snellen chart. The Snellen chart is probably the most popular eye chart used by eye care professionals and others to measure visual acuity.

It also includes a color blind test based on the Ishihara color blindness test.

When was the last time you had your eyes tested? You can’t remember? With this eye test you can test your vision at home easily and totally free! After doing the tests you should be able decide whether or not you should see an eye doctor. Doing the vision tests is fun, and you can also share the results with your friends on Facebook!

The application has 12 types of eye tests:
* Visual acuity tests (based on a Snellen chart, numbers and text, with black or white background)
* An Ishihara Color Blindness test
* 4 Amsler grid tests
* An AMD test for macular degeneration
* A Glaucoma survey
* A Written test aka. how much do you know about the eye?
* An OKN Strip test
* Red Desaturation test
* Contrast Sensitivity test
* Duochrome test
* Landolt C/Tumbling E test
* Astigmatism test

DISCLAIMER:
Due to variations in each screen accuracy (screen size, brightness/contrast, resolution) the eye tests are not perfect. Holding a phone of approx 4" screen size 30 cm/12 inches from your eyes would give you nearly accurate results. Hold it (place it) 52cm/20inches from your eyes if you have e.g. a 7" tablet.
Do not consider the tests in the app official tests. These tests only mean to give you an idea whether or not you should see an eye doctor or go on an eye therapy.

VISUAL ACUITY
The visual acuity test is a routine part of an eye examination, particularly in case of vision problems.

COLOR BLINDNESS
Color Blindness is a commonly misleading term, because most people think color blind people cannot see colors. They can see colors, but cannot make out the difference between some couples of complementary colors.

AMSLER GRID
The Amsler grid is a grid of horizontal and vertical lines used to check vision problems caused by changes in the retina, particularly the macula as well as the optic nerve.

AMD
Age-related macular degeneration is a progressing eye condition that affects millions of people. The disease attacks the macula, which is responsible for the sharp, central vision.

GLAUCOMA
Glaucoma is a group of diseases that damage the eye’s optic nerve and can result in vision loss. If left untreated, It can lead to blindness. With the proper treatment you can protect your eyes and vision.

RED DESATURATION
The optic nerve is sensitive to red, so when it is damaged, red-colored objects may appear dull, washed-out or faded.

CONTRAST SENSITIVITY
A contrast sensitivity test checks for the ability to differentiate between light and dark.

DUOCHROME TEST
This test is used to estimate whether you are long or short sighted.

LANDOLT C
The Landolt C is the standard optotype for acuity measurement in most European countries.

TUMBLING E
This test is the standard visual acuity test for people who cannot read the Roman alphabet.

ASTIGMATISM
Astigmatism is a vision condition that causes blurred vision making it difficult to see fine details, either close up or from a distance.

What to do if I get bad results?

If your results indicate you may have vision problems, you should see an eye doctor. Having regular eye examinations promotes eye health. It also allows your doctor to measure your vision and make the necessary changes to your prescriptions.
You can also download eye training apps to preserve your eye sight and improve vision. You should take better care of your eyes and vision. Preserving vision health is one of our most important thing to do. Omitting eye care and eye exams can result in serious vision damage.
If you experience any eye problems using the web browser, to-do apps, calendars, writing messages or checking the phone book or the call log, you should take this test to check if you need eye treatment and/or vision training.

You receive regular reminders in the post to get your eyes tested and you don't respond, you just stick them straight in the bin. You're probably one of the 40% of people that haven’t had your eyes tested in the last two years and although you are convinced they're fine, you find that your vision isn't quite as good as it used to be; but you don’t have time to go down to the opticians to be sure, and to be quite honest you can’t really be bothered. Sound familiar? Introducing, the all new Vision Test App: an eye test in the palm of your hand.

From Visual Acuity, Astigmatism and Colour Tests - Vision Test will asses your eyes in a variety of different ways, all from the comfort of your own home. If it turns out you really do need to go the optician, the app will let you know; and even locate your nearest one!

**** FEATURES ****
- Visual Acuity Test
- Astigmatism Test
- Duochrome Test
- Colour Test
- Far field vision test
- Optician Finder
- Eye Quiz
- Eye Tips and facts

**** WARNING ****
This app provides a basic guideline for your eye sight, and is not intended to replace a full eye examination by a registered optician.

**** SIGNS YOU MAY NEED THIS APP ****
- Holding the paper at arms length - granddad style
- Guessing what to have in a restraint because you can't read the menu

Sebelum Anda ke Dokter mata untuk cek apakah Anda buta warna atau tidak ada baiknya mencoba aplikasi ini, Aplikasi Tes Buta Warna berisi gambar acak da pengguna tinggal memilih jawaban Aplikasi tes buta warna yang simpel dan mudah digunakan.

Buta warna adalah suatu kelainan yang disebabkan ketidakmampuan sel-sel kerucut mata untuk menangkap suatu spektrum warna tertentu yang disebabkan oleh faktor genetis. Dalam membantu mendiagnosa apakah seseorang mempunyai kelainan buta warna maka dibutuhkan sebuah tes terhadap mata. Untuk itu aplikasi ini diciptakan dengan harapan membantu memberikan tes apakah seseorang mempunyai kelainan buta warna atau tidak.

Aplikasi Buta Warna ini bebas dan gratis untuk digunakan, selain itu aplikasi ini juga dapat digunakan tanpa menggunakan koneksi jaringan internet.

Aplikasi Tes Buta Warna screening hasil dan diagnosa pemakai apakah buta warna atau tidak. Berisi gambar acak dan masukan jawaban untuk menilai seseorang mempunyai kelainan buta warna atau tidak yang sesuai dengan buku Ishihara Asli. Data gambar dan jawaban selalu acak sehingga pengguna tidak mudah untuk menebak isi gambar. Aplikasi tes buta warna yang simpel dan mudah digunakan.

Buta warna adalah suatu kelainan yang disebabkan ketidakmampuan sel-sel kerucut mata untuk menangkap suatu spektrum warna tertentu yang disebabkan oleh faktor genetis. Dalam membantu mendiagnosa apakah seseorang mempunyai kelainan buta warna maka dibutuhkan sebuah tes terhadap mata. Untuk itu aplikasi ini diciptakan dengan harapan membantu memberikan tes apakah seseorang mempunyai kelainan buta warna atau tidak.

Aplikasi ButaWarna ini bebas dan gratis untuk digunakan, selain itu aplikasi ini juga dapat digunakan tanpa menggunakan koneksi jaringan internet. Aplikasi ini hanyalah bentuk dari screening tes buta warna yang sesungguhnya. Aplikasi ini dapat Anda gunakan sebagai latihan dalam Tes Buta Warna sesungguhnya. Sumber gambar diambil dari beberapa sumber buku Ishihara yang tersedia di internet.

Are you colorblind and want to know what color an object is? Take a picture of the surface with your camera and get a readout of in words of the top five colors the camera sees. The app maps color data to color names in such a way as to approximate color perception by the average person.

See what it is like to be colorblind by simulating each type. Take a color blindness test to check your vision, and create your own custom colorblind tests to share with others. Learn about what color blindness is, the different kinds, and the effects of it.

If you are colorblind, use this tool to extract colors from the world around you to help you see color better. And share with others was your world is like when they ask.

Features include:
-- Realtime color blind vision –
Use your camera to look through the eyes of the Colorblind.

-- Colorblindness test –
Take a classic Ishihara Test (dot test) to classify if you are colorblind. Build your own tests to say anything you want. Ever wanted to write a message that a colorblind person couldn't read?

-- Learn about color blindness –
Learn more about colorblindness, what it is, how it affects people, and the advantages and disadvantages of it.

-- Extract colors -
Pull out individual colors. Perfect for anyone who is colorblind. Can be used while playing board games to distinguish the pieces, or to help you tell if your clothes match.

اختبار سريع لعمى الالوان اختبر نظرك بهذا التطبيق
التطبيق هو اختبار من اختبارات النظر خاص بالالوان فقط

Point your camera to an object to identify its color.

This is a research project aiming to find new convenient ways of color representation for color blind people.

Do you find the color wheel representation useful?
Or do you rather prefer the RGB values?
Or maybe you would prefer simple color name instead?

Please leave feedback, it will be much appreciated.

Keywords: daltonism, color blind, protanopia, deuteranopia, tritanopia

Based on the photograph of a one-handed pocket watch created by Breguet et fils, Paris, 1810, this small app shows the time. No bells, no whistles, no ticking.

All our apps are 100% ad-free.

Ratcheting is a well-known tradition since 1482. It creates lots of noise by turning a wooden ratchet – the faster, the better! 3D model and sound were captured from an original wooden easter ratchet originally built by my uncle. Our digital ratchet behaves just as a real one, but it‘s easier to take with you everywhere you go.

Now with transparency mode (background is a camera preview). Tap screen once for autofocus. Please send us a short email message if it does not work correctly for you.

DISCLAIMER: We cannot be held responsible for flying mobile phones. If you fear for your mobile phone, use the Touch-Mode to control the ratchet via Touchscreen.

KNOWN BUGS: Some Android 2.1 phones have the camera preview rotated 90°. We can send you a version in landscape mode by email (i.e. menu will be rotated 90°, everything else will be all right). If you have Android 2.2+ camera preview can be rotated via menu entry. Unfortunately Android 2.1 does not yet have this API function.

All our apps are 100% ad-free.

Let your children search for the fitting vehicle, ship or animal parts. If all three parts are at the correct place, the entire name is marked green. Additionally a confirmation sound is played. So your child recognizes whether it's choice is correct.

Children LOVE to create new vehicles, ships or animals. Or do you know a ICE-MIX-MOBILE or a CONCRETE-SCHOOL-MACHINE? To take the mixed vehicle parts and arrange them in correct order brings to the children much fun and successful experiences. Each vehicle is an unique creative piece. Altogether 648 vehicles, ships and animals are possible (Pro version)!

Learning effect
* Combination: What does and does not fit together?
* Reading: How is the compound object named?
* Multilinguality: The language of descriptions can be chosen. This way your child also learn multiple languages in a playful manner!
* Feedback of learning success via optical and acoustical signals
* Enhances creativity and inventitiveness

This free version includes only vehicles in German and English language. Ships and animals are available in the Pro version. New variants are planned. Please submit wishes concerning new variants via EMail or comments.

All our apps are 100% ad-free.