Eye chart smaller symbols until the person cannot identify the symbols. The smallest symbols that can be reliably identified is considered the person's visual acuity. The Snellen chart is the most widely used. Alternative types of eye charts include the logMAR chart, Landolt C, E chart, Lea test, Golovin–Sivtsev table, the Rosenbaum chart, and the Jaeger chart. Charts display several rows of optotypes, which are standardized symbols for testing vision. Optotypes are usually letters, numbers, or geometric symbols. Each row of the chart depicts optotypes of a different size. Typically the largest optotypes are in the top row. The optotypes become progressively
Flip chart chart which writes word for word everything it is instructed to record. The disability action group "Armless" has stated that this is a significant step forward for disabilities groups to have conferences like people without disabilities. Also available are flipchart stands which are self heightening. Flip chart A flip chart is a stationery item consisting of a pad of large paper sheets. It is typically fixed to the upper edge of a whiteboard, typically supported on a tripod or four-legged easel. Such charts are commonly used for presentations. Although most commonly supported on a tripod, flip charts come in various