Ishihara Test 24 Plates Pdf 12: A Free and Easy Way to Check Your Color Vision
Color blindness is a condition that affects millions of people around the world. It means that you have difficulty distinguishing certain colors or shades of colors. Color blindness can be inherited or acquired due to diseases or injuries. It can also affect your daily life, such as your ability to read signs, maps, charts, or graphs.
One of the most common ways to diagnose color blindness is by using the Ishihara test. This is a test that consists of 24 plates that contain colored dots arranged in patterns. Each plate has a hidden number or shape that can only be seen by people with normal color vision or a specific type of color deficiency. The test is named after its creator, Dr. Shinobu Ishihara, a Japanese ophthalmologist who invented it in 1917.
Many websites offer the Ishihara test online for free. However, if you want to download and print the test for offline use, you may face some challenges. Some websites may ask you to pay a fee or register for an account. Others may provide low-quality images or incorrect colors that can affect the accuracy of the test.
That's why we have created this article to help you download and use the Ishihara test 24 plates pdf 12. This is a pdf file that contains 12 of the 24 plates from the original Ishihara test. You can download it for free from our website without any hassle. You can also print it on any standard printer using A4 paper.
To use the Ishihara test 24 plates pdf 12, you need to follow these simple steps:
Download the pdf file from our website and save it on your computer or mobile device.
Open the pdf file using a pdf reader software such as Adobe Acrobat Reader.
Print the pdf file on A4 paper using the best quality settings on your printer. Make sure the paper is not glossy or textured.
Cut out each plate along the dotted lines and arrange them in numerical order.
Find a well-lit room with natural or white light. Avoid direct sunlight or colored lights.
Hold each plate at a distance of about 75 cm (30 inches) from your eyes. Do not wear glasses or contact lenses.
Look at each plate for about three seconds and try to identify the number or shape on it. Write down your answer on a piece of paper.
Compare your answers with the correct answers provided at the end of the pdf file.
If you can see all or most of the numbers or shapes correctly, you have normal color vision. If you miss some or all of them, you may have a color deficiency. The type and severity of your color deficiency can be determined by consulting an eye doctor.
We hope this article has helped you download and use the Ishihara test 24 plates pdf 12. If you have any questions or feedback, please feel free to contact us through our website. Thank you for choosing us as your source of information on color blindness. c481cea774