Corrective eye surgery corrects myopia, hyperopia, presbyopia and astigmatism with the help of eye surgery.
Whether it is Radial Keratotomy, Photorefractive Keratectomy, Laser in Situ Keratomileusis, Laser Epithelial Keratomileusis, IntraLase, or Wavefront Guided LASIK; all of them have one thing in common that they are irreversible. Once done, they simply cannot be undone in case a complication occurs as a consequence of the surgery.
There are quite a few types of corrective surgery:
Radial Keratotomy
Radial Keratotomy for Myopia
Normal Anatomy
Indications
Procedure
Aftercare
Credit: National Library of Medicine, National Institutes of Health
PRK : Photorefractive Keratectomy
PRK Eye Surgery
LASIK : Laser in Situ Keratomileusis
Corrective Eye Surgery
Credit: National Library of Medicine, National Institutes of Health
LASEK : Laser Epithelial Keratomileusis
Corrective Eye Surgery
Credit: National Library of Medicine, National Institutes of Health
IntraLase : Bladeless LASIK
Corrective Eye Surgery
Credit: National Library of Medicine, National Institutes of Health
Wavefront Guided LASIK : Custom LASIK
Corrective Eye Surgery
Credit: National Library of Medicine, National Institutes of Health
Topical anesthesia is used in all of them.
The procedures are generally painless and the improvement in vision is usually immediate.
Corrective Eye Surgery
After
Credit: National Library of Medicine, National Institutes of Health
Corrective eye surgery has the following risks / after-effects:
Fluctuating vision
Halos around lights
Under-correction
Over-correction
Cornea infections may end up in vision loss
Scar of the flap incision also may end up in vision loss
Light sensitivity
Poor night vision
Haze and Glare
Haze after PRK Eye Surgery
Dislodgement of the flap
Decentered flap after LASIK
All corrective eye surgery changes cornea to permanent eyeglasses or contact lenses inside the eye rather than in front of it.
Can this be called a treatment?
Or is it just a kind of management exactly like the one done by eyeglasses or contact lenses?
Only that the inconvenience of wearing eyeglasses on, or putting contact lenses in the eyes has been eased off!
What has been the real cause of the problem?
Is it the shape of the cornea, the shape of the lens or the shape of the eyeball?
We must be very clear about it.
If it is the shape, anyway, of anything, what does it mean when the diopter number of the eye increases?
Does the shape change?
What else, otherwise?
If yes, that means the shape is technically able to change.
And if the shape can change to increase the diopter number, it ought to be able to change in a way that decreases the diopter number as well!
Then why do we change it the surgical way?
Simply because we don't know how to change it non-surgically!
Change what?
The shape!
Of?
The cornea, the lens, or the eyeball?
Whatever, but we don't know how.
But it does change of its own.
And it does so after the surgery too!
What shall we do then?
I personally came across numerous such cases as had been passed as successful and remained so till around eight years after the surgery but then rolled back to the same old number that was there before the surgery was done.
The diopter number is the same again but the structure of the eye has gone deformed!
What shall we do now?
Again scrap the cornea further?
How long shall we go on doing that?
Epithelial Ingrowth after LASIK
Why are we going on deforming the structure of the eye?
We don't know when and why the shape again starts changing of its own. All our surgical changes, then, will not only go useless but may prove to be harmful too in the long run.
Why does the shape change, and shape of what?
Is it the cornea, or the lens or the eyeball?
Not cornea. It doesn't have the musculature.
Lens certainly does but temporarily and dynamically, according to the need of the moment (not the hour!).
Only the eyeball is left. And it can. It has the musculature to do so.
So it's the eyeball that can change its shape and give the eye a diopter number!
Even after corrective eye surgery!
Or it can change the other way round and free the eye of its diopter number without the corrective eye surgery!
But not after corrective eye surgery. It is bound to keep itself deformed - and only to a particular extent set by the corrective eye surgery, neither less nor more - in order to see clear because it is permanently wearing the surgical lenses that the cornea has been permanently changed to. Any deviation in any direction, and the eyesight will get the grunt of it. And it does!
The eyeball does keep changing the shape in the normal course of events. It's a dynamic and not a static structure.
But after the corrective eye surgery, it is forced to keep itself static - in a deformed shape - just like a bespectacled eye is.
Unluckily, keeping the eyeball statically deformed is a continuous stress to the eye, to the body and to the mind.
Is there a way (of course non-surgical!) to change the shape of this statically deformed eyeball and turn it dynamically natural?
Immediately?
So that the humanity may get rid of eyeglasses, contact lenses and the most importantly the corrective eye surgery menace!
Vision therapy seems to do the job through opening the third eye; and that too, opening it instantaneously.
If it is really so, it must, at least, be given a try before going for the corrective eye surgery and causing a permanent deformity in the structure of the eye which can never be undone too!
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