Patients
Hold the printed chart 14 inches from your face. Go ahead and wear corrective contacts if you have them, but no glasses –- that’s cheating! Start reading at the top line and work your way down. The first line that appears blurry will have your ideal magnification listed to the left. Test targets are versatile and can be used for a variety of tests. Some, like the ISO 12233 chart and USAF 1951 Resolution Test Chart, will come up on most web searches. Personally, I located the highest-resolution chart I could download and then I had it printed on photo paper at a big box store at 20 x 30' and dry-mounted on foam core. May 16, 2019 The fixed lens camera market may be a bit niche, but it's here that you'll find some of the best cameras you can buy. Sensors ranging from APS-C to full-frame are designed to match their lenses, which cover ranges from 28-75mm equivalent, so image quality is top-notch.
Searching for a free eye chart to check your vision at home?
Camera Lens Testing Chart
Simply click on the image to the right, and your download will begin. You can use this eye chart to check your entire family's vision.
Remember: This is not a substitute for a complete medical eye exam by a licensed optometrist. But it could help you identify potential vision problems that demand professional attention.
Need the JPEG version? Click here.
How to Use the Eye Chart
- Print the free eye chart on regular 8 1/2 x 11-inch paper
- Tack or tape the chart to a windowless wall in a well-lit room at eye level
- Measure ten feet from the wall
- Cover one eye (if you wear glasses for distance vision, keep them on)
- Have another person point to each line as you read the letters out loud and keep track of which letters you get right
- Continue to the bottom row or until you can no longer read the letters
- Write down the number of the smallest line where you identified the majority of letters correctly (Ex. If you were able to read 5 out of 8 letters on line 8, you would write 20/20.)
- Cover the other eye and repeat steps 5-7
What Do the Results Mean?
That depends on the age of the person being tested. A 3- to 4-year-old should be able to read the 20/40 line, and a 5-year-old the 20/30 line. Older children and adults should be able to read the majority of letters on the 20/20 line.
If you notice any results that fall outside these standards, be sure to schedule an eye exam with your Vision Source doctor.
Testing Lens Test Chart Download Free
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