What is the meaning of astigmatic?
Definition of astigmatic 1 : affected with, relating to, or correcting astigmatism. 2 : showing incapacity for observation or discrimination an astigmatic fanaticism, a disregard for the facts — The New York Herald Tribune.
What is another word for astigmatism?
In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for astigmatism, like: astigmia, stigmatism, hyperopia, presbyopia, strabismus, anisometropia, vignetting, hypermetropia, astigmatic, nearsightedness and long-sightedness.
Which terms are astigmatism?
Astigmatism (uh-STIG-muh-tiz-um) is a common and generally treatable imperfection in the curvature of the eye that causes blurred distance and near vision. Astigmatism occurs when either the front surface of the eye (cornea) or the lens inside the eye has mismatched curves.
What is the meaning of Vitreal?
1 : bitterly harsh or caustic language or criticism political commentators spewing angry vitriol Rumor has always played a role in politics, but rarely have the backstage operatives been so adroit, and so cynical, in their use of vitriol.—
Who is prone to astigmatism?
Astigmatism ran fairly high in each group, with Hispanic children having the highest prevalence (37 percent), followed by Asian children (34 percent), white children (26 percent) and, finally, African-American children (20 percent.)
What is the root cause of astigmatism?
It’s not known what causes astigmatism, but genetics is a big factor. It’s often present at birth, but it may develop later in life. It may also occur as a result of an injury to the eye or after eye surgery. Astigmatism often occurs with nearsightedness or farsightedness.
What does intravitreal mean in medical terms?
An intravitreal (pronounced in tra VIT re al) injection is a procedure to place a medication directly into the space in the back of the eye called the vitreous cavity, which is filled with a jelly-like fluid called the vitreous humor gel.
What does vitreous mean in medical terms?
The vitreous is the gel-like fluid that fills your eye. It’s full of tiny fibers that attach to your retina (the light-sensitive layer of tissue at the back of the eye). As you get older, the fibers of your vitreous pull away from the retina. This is called vitreous detachment. It usually happens after age 50.
How serious is astigmatism?
Most times astigmatism is not a serious eye condition, but causes eye strain and fatigue – impacting school and office performances. However, astigmatism can sometimes hide a sight-threatening eye condition. Astigmatism, like myopia (nearsightedness) and hyperopia (farsightedness), is a common refractive error.
What causes astigmatism later in life?
Most cases of astigmatism are hereditary and appear at birth. For some people, the condition can develop later in life. Eye injuries or surgeries may also cause astigmatism due to corneal damage. Vision problems due to astigmatism can get worse as time goes on.
What kind of trauma causes astigmatism?
Conclusions: Blunt trauma can induce astigmatism. Hard and small objects are more likely to induce astigmatism.
What disease causes astigmatism?
Astigmatism often occurs with nearsightedness or farsightedness. Sometimes, though, a rare condition called keratoconus causes astigmatism. This eye disease affects the cornea, causing the clear tissue on the cornea to thin and bulge out.