Eye chart chart or Jaeger chart can be used. While the Snellen chart remains the default, some authors have argued that the logMAR chart is superior. The logMAR chart presents the same number of symbols on each line, uses a typeface with letters that are equally legible at various sizes, and by varying the symbol size logarithmically, it is easier to use at nonstandard distances. As a consequence of these improvements, the logMAR chart has been proposed as a more reliable tool for measuring visual acuity. However, the logMAR chart has not yet been widely adopted. It can be difficult to measure
Sight word the phonetic rule of ai normally makes the long a sound, ay. In this word it makes the short e sound of eh. The word "said" is pronounced as /s/ /e/ /d/. The word “has” also breaks the phonetic rule of s normally making the sss sound, in this word the s makes the z sound, /z/." The word is then pronounced /h/ /a/ /z/. A number of sight word lists have been compiled and published; among the most popular are the Dolch sight words and the magic 100 words. These lists have similar attributes, as they all aim to