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Can I do two Lasik eye surgeries?

"I'm 18 and my eyes prescription is -8 and it's not stable, so I want to do a LASIK surgery now, and another one later in life (around my mid-20s) in case my eyesight got worse." Not a good idea. And not the right way to think about the problem:LASIK is not like a magic...

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Is it the eye that actually determines what we see or the brain that interprets it for us or tries to process it?

Is it the eye that actually determines what we see or the brain that interprets it for us or tries to process it? The eyes can be open but, lack the ability to see even when observing things. Are eyes really what people use to see or just to look? Vision is done by the...

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How does an ophthalmologist help you determine which lens will be best for cataract surgery?

Excellent question! You should definitely discuss this with your eye doctor well in advance of any surgery. Past vision history and understanding your vision priorities are important in getting you the best results with cataract/lens implant surgery. There simply is no...

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How do we manage to see images with our eyes when they are actually inverted?

We see them as we expect them to appear -right side up! A famous psychology experiment was performed in the 1960s where subjects agreed to wear special goggles that inverted the images entering the eye and being focused on the retina. After a few days of confusion and...

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Why do LASIK, PRK, SMILE, and other corneal refractive surgery cause ectasia and other sight-threatening problems even with the most modern lasers?

All of these procedures work by removing tissue, leaving the cornea permanently thinner. This intrinsically stresses the cornea's structural integrity: these procedures work by weakening the cornea optically -but hopefully not structurally (or at least not very much). This is...

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What are some advantages and limitations when it comes to monofocal vs trifocal IOLs?

The actual choice here is between monofocal (single vision) IOLs and PRESBYOPIA-correcting IOLs, not just trifocals (or multifocal) ones. There is a trade-off between getting uncorrected reading vision along with good distance vision and overall quality of vision. For...

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What are the risks of not having intraocular lens implantation during cataract surgery?

This is a persistent question that comes up from patients that demonstrates how powerful language can be in creating misunderstanding. "Cataract," being a noun, is understood as a "thing" that somehow got into the eye and is now disturbing one's vision. So surgically ...

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Corneal inlays

Has anyone had corneal inlays, the surgical procedure to replace the need for reading glasses and what do you think of it ? I'm almost 50 and do not want to carry reading glasses everywhere especially around my neck! I just now came from the OR where I removed a cornea...

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