What is a serious astigmatism?
astigmatism is a very common problem of the eye in which the cornea or lens is slightly wrong, resulting in blurred or distorted vision. Most astigmatisms are mild and can be easily compensated with glasses or contact lenses. However, severe astigmatism can cause serious vision problems, chronic headaches and other symptoms that make it difficult to perform basic daily tasks. Symptoms tend to deteriorate with age and permanent blindness is a possible consequence of non -observance of treatment. In most cases, severe astigmatism requires eye surgery led by laser to correct the shape and curvature of the cornea.
In a healthy eye, the cornea and the lens are evenly, smoothly curved so that the light gathered from any angle can be properly refract for the retina. Severe astigmatism can cause part of the lens or cornea to curl much more sharply than the surroundings. The cornea may also be rough in the sense that its surface is covered by impacts and steep ridges. As a result, a light that hitNot a cornea from certain angles is distorted at a time when it reaches the retina.
Most cases of astigmatism are inherited and congenital. However, the vision does not have to become a problem until a person reaches adolescence or maturity. Natural changes in the eye tend to worsen astigmatisms in older patients. Sometimes a person can develop serious astigmatism after damage to the eye, surgery for correction of glaucoma or serious viral or bacterial diseases.
serious astigmatism can affect both central and peripheral vision. Brurriness can make it difficult or impossible to concentrate on text or object. Severe astigmatism is often accompanied by a significant almost or foresight, which worsens your vision problems. In addition to vision problems, one can experience frequent headaches, fatigue, nausea and dizziness.
ophthalmologist cdiagnostics astigmatism by asking for symptoms and performing a careful physical test. A microscope of slot is used to look at the cornea from different angles. The physician can specify exactly where the ridges or steep curves and the measure are present to which they deviate from normal. Goggles on prescriptions and strict contacts can help some people with severe astigmatism to achieve a better vision, but most individuals have to undergo surgery.
Laser assisted surgery in situ keratomileusis (lasik) is the most common procedure used to treat serious astigmatism. During the procedure, small slots are produced in the cornea and are open, while the laser burns pieces of cornea and lenses. The eye is shaped with laser until it is smooth and evenly curved. Within one week, the patient usually noticed a significant improvement in the clarity of vision and other symptoms of astigmatism.