Snellen chart ... A Snellen chart is an eye chart that can be used to measure visual acuity.

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

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.

Oct 28, 2025 · 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 …

What is visual acuity and what does 20/20 vision mean? Visual acuity (VA) is commonly referred to as the sharpness of vision, measured by the ability to discern letters or numbers at a given …

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 …

ottom. Providers can display the Snellen chart with a projector or digital screen, allowing for letter alteration and line-by-line presentation to prevent memorization of letters and lines. The row of …

Feb 14, 2024 · Facts and history about the eye testing chart. The most commonly used eye chart is known as the Snellen chart. It usually shows 11 rows of capital letters.

Snellen chart, chart used to measure visual acuity by determining the level of visual detail that a person can discriminate. It was developed by the Dutch ophthalmologist Herman Snellen in …

Aug 13, 2025 · The Snellen chart is the classic tool for testing distance vision (visual acuity) and remains a cornerstone of eye examinations worldwide.