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All About
Astigmatism Treatment
Symptoms
Signs and symptoms of astigmatism may include:
- Blurred or distorted vision
- Eyestrain or discomfort
- Headaches
- Difficulty with night vision Squinting
Causes
Your eye has two structures with curved surfaces that bend (refract) light onto the retina, which makes the images
- The cornea, the clear front surface of your eye along with the tear film
- The lens, a clear structure inside your eye that changes shape to help focus on near objects
In a perfectly shaped eye, each of these elements has a round curvature, like the surface of a smooth ball. A cornea and lens with such curvature bend (refract) all incoming light equally to make a sharply focused image directly on the retina, at the back of your eye.
More about Treatment
Astigmatism (uh-STIG-muh-tiz-um) is a common and generally treatable imperfection in the curvature of your eye that causes blurred distance and near vision.
Astigmatism occurs when either the front surface of your eye (cornea) or the lens, inside your eye, has mismatched curves. Instead of having one curve like a round ball, the surface is egg shaped. This causes blurred vision at all distances.
Astigmatism is often present at birth and may occur in combination with nearsightedness or farsightedness. Often it's not pronounced enough to require corrective action. When it is, your treatment options are corrective lenses or surgery.
FAQ on this Treatment
What are the limitations of LASIK for astigmatism?
Follow-up surgeries are common with LASIK as they may under-correct or over-correct the eyes. Some patients do still have to wear spectacles even after the surgery for the same reason.
What are the side effects of LASIK?
Increased dryness of eyes for a few months post-surgery and seeing a glare around lights are common effects seen in patients, though these are now minimalised by advancement in techniques and tests.
How long is the procedure for LASIK?
LASIK surgery takes about 15-20 minutes to perform, per eye. It is an out-patient procedure and doesn’t require hospitalisation.
How long does it take for normal vision to be restored after LASIK?
Patients start seeing well the day after the procedure is performed, though it is normal to have slight blur in the vision till about two weeks (If it stays blurry longer, visit the ophthalmologist).