Astigmatic is a word that is often used in the field of optometry and ophthalmology. It is a term that is used to describe a condition of the eye where the cornea is not perfectly round, resulting in blurred or distorted vision. In this article, we will explore the meaning and definition of astigmatic, as well as its origin, associations, synonyms, and antonyms.
Definitions
Astigmatic is an adjective that describes a condition of the eye where the cornea is not perfectly round. This results in blurred or distorted vision, as the light entering the eye is not focused properly. Astigmatism can be present from birth or can develop later in life.
Origin
The word astigmatic comes from the Greek word ‘a’ meaning ‘without’ and ‘stigma’ meaning ‘point’. The term was first used in the mid-19th century to describe a condition of the eye where the cornea was not perfectly round.
Meaning in different dictionaries
According to the Merriam-Webster dictionary, astigmatic means “affected with astigmatism”. The Oxford English Dictionary defines astigmatic as “relating to or affected by astigmatism”.
Associations
Astigmatism is often associated with nearsightedness or farsightedness. It can also be associated with headaches, eye strain, and difficulty seeing at night.
Synonyms
Some synonyms for astigmatic include:
- Blurred.
- Distorted.
- Imperfect.
- Uneven.
- Irregular.
Antonyms
Some antonyms for astigmatic include:
- Clear.
- Sharp.
- Focused.
- Perfect.
- Regular.
The same root words
Astigmatic is derived from the Greek word ‘stigma’, which means ‘point’. Other words that share this root include:
- Stigmata.
- Stigmatize.
- Stigmatic.
Example Sentences
- “The optometrist diagnosed the patient with astigmatism, which explained their blurry vision.”
- “The artist intentionally created an astigmatic effect in their painting, giving it a unique and distorted appearance.”
- “The new contact lenses corrected the patient’s astigmatism, allowing them to see more clearly than ever before.”