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
Word search of the word (if a word list is provided). After finding the letter, one should look at the eight surrounding letters to see whether the next letter of the word is there. One can then continue this method until the entire word is found. Another strategy is to look for 'outstanding' letters within the word one is searching for (if a word list is provided). Since most word searches use capital letters, it is easiest to spot the letters that stand out from others. These letters include Q, J, X, and Z. Lastly, the strategy of looking for double letters