A vision assessment tool suitable for use at home or in settings where standardized testing equipment is unavailable, features rows of progressively smaller letters. Individuals stand a specified distance from the chart and attempt to read the lines, providing a preliminary indication of visual acuity.
This readily accessible resource allows for convenient monitoring of sight and can prompt further evaluation by an eye care professional if deficits are detected. Its historical development facilitated widespread screening for visual impairment, contributing significantly to public health initiatives focused on early detection and intervention.
The subsequent sections will delve into the construction of these charts, optimal usage guidelines for accurate self-assessment, and considerations for selecting a suitable version for individual needs.