Eye chart smaller towards the bottom of the chart. The person removes any glasses or contact lenses, and stands or sits a standardized distance from the chart (e.g., 20 feet for the Snellen chart). The person is then asked to identify the optotypes on the chart, starting with large rows and continuing to smaller rows until the optotypes cannot be reliably identified any more. The row in which the person can reliably identify symbols defines the visual acuity. One eye is tested at a time. Practically, this is accomplished by covering the other eye with a hand, piece of paper, or a
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