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.

May 15, 2025 · What is the Snellen Eye Chart? The Snellen eye chart remains one of the most recognisable medical tools in history. Dutch ophthalmologist Dr. Hermann Snellen created this …

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 …

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.

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 …

Aug 26, 2025 · The Snellen chart is a fundamental tool used worldwide to assess visual acuity, offering a standardized method to measure how well a person can see at various distances.

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.