Eye Problems in Children Encyclopedia
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Surgical treatment: It is recommended after the age of 18 years. The eye number has to be stable for at least 6 months. The various surgeries that can be performed are:
Radial keratotomy (RK): It decreases myopia by flattening the cornea by making multiple radial incisions of varying depth. The following complications may occur:
• Accidental corneal perforation
• Vision threatening complications like infection
• Rupture of eye globe by trauma due to weakened scar
• Unstable vision.
Astigmatic keratotomy: It is similar to RK and is used in treatment of cases of astigmatism. Here only one meridian/axis is cut to make a more curved axis flatter.
PRK: PRK with Excimer laser involves the reshaping of the outer surface of the cornea. The range of correction is from -1.0 to - 6.0 D and +1.0 to +4.0 D. The disadvantage is that it has a longer visual recovery period.
LASIK: This is the latest and the safest procedure.
Principle: A thin layer of cornea is cut like a flap with a precise cutting instrument. This clear flap is lifted up and folded upon to the top eye. Excimer laser is applied over the internal part of the cornea to reshape it and the flap is placed back in its original position where it heals into place with no stitches.
Range of correction :- -1.0 to -18.0 D and +1.0 to +8.0D. It corrects astigmatism upto +/- 4.0 D. Its advantage is that visual recovery is very rapid. Within one or two days most patients see clearly.
Last updated on 12-07-2001
Eye Care for Growing Children
In growing children, parents should take certain care like:
Child should not sit close to TV.
Child should not hold books close to the eyes.
Avoid exposure to sharp instruments.
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