"Dim sighted" refers to a person's inability to see clearly due to a variety of reasons including age, disease, or injury. There are many synonyms for the term "dim sighted" such as "nearsighted," "farsighted," and "astigmatic." Other words that can be used as synonyms for "dim sighted" include "myopic," "hyperopic," "presbyopic," "glaucomatous," and "cataractous." It is important to remember that each of these terms refers to a specific medical condition that affects vision and people should seek the advice of a qualified medical professional to get a proper diagnosis and treatment plan.