Three Causes of Eye Problems Getting Worse

2. Eye Lasers

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As you know, the principle of this eye laser is to improve the shape of the cornea of the eye using a laser beam.

The cornea of the eye is composed of two layers, namely the inner layer (stroma) and the outer layer (epithelium).

Myopia can be caused by an overly convex cornea of the eye.

Through laser therapy, the cornea of the eye can be made flatter. That way, light can fall right on the retina.

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Currently, there is a type of laser eye surgery that is based on the way the cornea is repaired.

First, PRK (photorefractive keratectomy). This is done by removing the outer layer, or epithelium, of the cornea.

After that, the inner layer, or stroma, of the cornea will be scraped off using a laser beam.

This PRK method can flatten the cornea, so it can overcome myopia.

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Furthermore, the epithelial layer will grow over time and will adapt its shape to the shape of the corneal stroma that has been repaired by the laser beam.

Second, LASEK (serator epithelial keratomileusis). This method is similar to PRK. Specifically, lifting the corneal epithelial layer and flattening the corneal stroma layer using a laser beam

The difference is that the epithelial layer that is removed from the cornea of the eye is not removed. But pinned back to its original place.

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