- Supported Devices
- Mobile
- Updated
- May 22,2019
- Size
- 5.27 MB
- Age
- Everyone
- Release Date
-
- Description
-
Test your color vision with the most accurate digital tests from Biyee SciTech, Inc. that have been online since 2000.
This suite of tests are based on the same principles as Ishihara plates used by optometrists, but uses test plates that are randomly and accurately generated at run time.
The prevalence of color vision deficiency (aka color blindness) is about 5%. Most of them are caused by the missing or defect of one of the three cones in the retina responsible for color vision. If one cone is missing, it is called dichromacy which has three types corresponding to the three cones (protanopia, deuteranopia, tritanopia to L-, M-, S-cone respectively). If one cone is defective, it is called anomalous trichromacy also with three types corresponding to the three cones (protanomaly, deuteranomaly and tritanomaly). This app is intended to identify these color vision deficiencies.
Please note: there are various types of color vision deficiency, and they can be complicated. Please consult your optometrist or ophthalmologist for the final diagnosis.
The is the smartphone version of Biyee's free color vision tests online since 2000.
Instructions:
1. Click the arrow at the center of the test panel to begin the test.
2. Look at the test panel consisting of color dots with one of the four shapes (square, circle, triangle and star) embedded. Click the corresponding shape in the choice panel to collect a test sample. If you are unable to identify the shape, click the last choice with a question mark.
3. Repeat step 2 until achieving a satisfactory score reliability ("very good" is recommended, "superb" is the highest quality).
4. Click button "=>>" below the choice panel to finish the test and see the results.
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