What font is used on eye charts?
Courier Bold is the PostScript font that most closely approximates the official Snellen letters. Note: the top of the second page of the eye chart will need to be taped to the bottom of the first page of the eye chart (at the dotted line). Be sure to cover the dotted line with your paper.
How do you make a vision chart?
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)
What font size are the letters on an eye chart?
The font size on a modern Jaeger eye chart usually ranges from J10 (about 14-point type in Times New Roman font) to J1 (about 3-point type in Times New Roman). Some Jaeger charts have an additional paragraph labeled J1+ that may be even smaller than the J1 block of text.
Are all eye charts the same letters?
Today, there are many variations of the Snellen test. Most of them include: 11 rows of capital letters. A top row with only one letter, often a big “E.” Other letters can also be used.
How can I check my eyesight on mobile?
Peek Acuity is a smartphone-based vision check app developed by eye experts to allow anyone to check visual acuity using only an Android smartphone. Peek Acuity helps screen and identify people who need further examination. It is not intended to replace detailed examinations from a qualified eye health professional.
How do I know if I have 20 20 Vision?
Basically, if you have 20/20 vision, you have no problem seeing clearly at 20 feet what should normally be seen at that distance. The “20/20” fractions refer to your distance (in feet) from an eye chart and the distance at which a person with normal eyesight can read the same line of letters on the chart.