Description
A visual acuity chart is a chart used to measure visual acuity. Vision charts are often used by health care professionals (such as doctors or nurses) to screen people with visual impairments. Ophthalmologists who specialize in ophthalmology also use vision charts to monitor a patient's vision in response to various treatments such as medications or surgery..The visual acuity test chart is placed at a standard distance from the person taking the visual acuity test. The person then attempts to identify the symbols on the chart, starting with the larger symbols and continuing with progressively smaller symbols until the person is unable to identify them. The smallest symbols that can be reliably identified are considered to be the person's visual acuity..Snellen charts are the most widely used charts. Other types of visual acuity charts include logMAR charts, Landolt C and E charts, Lea tests, Golovin-Sivtsev charts, Rosenbaum charts and Jaeger charts snellen charts..Installation Desktop bracket and wall mount are included.The product provides a one-year warranty, we will warranty you by way of accessories
