Home use of this Snellen eye chart will help you determine the clarity of your distance vision. This can be useful to screen children for nearsightedness, which causes blurry distance vision.

Visual acuity (VA) is commonly referred to as the sharpness of vision, measured by the ability to discern letters or numbers at a given distance according to a fixed standard. 20/20 vision is considered …

Apr 1, 2026 · Snellen and other well-known eye charts are used to measure visual acuity, which refers to how well you can see without glasses or contacts. The results are used to determine if you need …

In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of …

Jun 29, 2025 · Visual acuity is your ability to see clearly and correctly. The Snellen eye test chart is the most common way providers test your vision during an eye exam.

The Visual Acuity Testing (Snellen Chart) assess binocular and monocular visual acuity.

Apr 7, 2025 · The Snellen Test is a widely used eye test that measures visual acuity, which is the sharpness or clarity of vision. This test is often conducted by optometrists and ophthalmologists to …

The Snellen visual acuity test is a widely recognized method for measuring the sharpness of a person’s distance vision. Dutch ophthalmologist Herman Snellen created the chart in 1862, establishing a …

Test your vision with our digital Snellen eye chart. Free online visual acuity test with standard 20/20 vision screening, distance adjustment, and comprehensive vision assessment results.

Mar 22, 2025 · A Snellen test uses a chart with different sizes of letters or forms to evaluate your visual acuity - that is, the sharpness of your vision. The test shows how accurately you can see from a …