Snellen chart

The **Snellen chart** is a standardized eye chart used by eye care professionals to measure visual acuity. It features rows of letters that decrease in size from top to bottom, allowing for precise assessment of a person’s ability to see at various distances. Commonly used during eye exams, the Snellen chart helps diagnose vision problems and determine whether corrective lenses are needed. This tag covers topics related to eye testing, vision assessment tools, and optometry equipment.