Vision Tests


November 21, 2015

Contrast Sensitivity Chart

Posted in: Eye Conditions, Vision Tests

November 21, 2015

Hyperacuity Grid

Posted in: Eye Conditions, Vision Tests

This uses your hyperacuity to easily locate areas of visual distortion possibly caused by fluid or blood leakage in your retina. Print this page, then cut out the strip of dots below. With one eye shut, gaze at the center of the graph from a distance of about 12 inches (30 cm). Slide the strip
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July 12, 2013

Visual Field Grid

Posted in: Vision Tests

The Visual Field Grid was designed to allow you to map the scotomas (blind spots) in your central vision. It is easy to do, and it can be used to either monitor your own own progress or to explain your vision to others. To map your visual field, print this page and follow the steps
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July 12, 2013

Snellen Chart

Posted in: Vision Tests

This is the same chart that your doctor uses to determine your visual acuity. The normal height for the letter A is 88 mm, and the viewing distance is 6 meters. To properly view the chart on your monitor: Measure the height of the letter A in millimeters Divide by 88 Multiply by 6 The
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July 12, 2013

Amsler Grid

Posted in: Vision Tests

The purpose of the Amsler Grid is to identify distortion in your visual field. To accomplish it, sit approximately 18 inches from your monitor screen and close either eye. Stare at the center of the grid, and observe the surrounding area peripherally. If any lines are distorted (“bent”), this is evidence of swelling of your
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