Eye chart number). The denominator indicates the distance in feet at which a person with normal vision could stand to correctly identify the same symbols identified by the person tested. For example, a visual acuity of 20/20 is considered normal. Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision. There is often also a need to test a subject's vision at near or occupational tasks (such as reading or computer use). For these situations, a Rosenbaum
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