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
Chocolate letter Chocolate letter Chocolate letters are a form of candy associated with the Dutch holiday of Sinterklaas (Saint Nicholas). Celebrants of the Sinterklaas celebration are traditionally given their initials made out of chocolate, either on Sinterklaas Eve, which is the fifth of December each year, or during the morning on Sinterklaas Day, which is the sixth day of December. Various sizes, types and flavours are available. In order to use the same amount of chocolate for each letter the manufacturer varies the thickness of the letter. This way one letter is not favoured over another, for example, with wide letters such