February 11, 2015

Question:
It has been 7 months since my operation, I still have dry eyes and blurry vision. Is this an issue to address with my Doctor? Or will it heal over time?

Answer:
Understand that if your eyes were dry before surgery, they will always be dry. I’m assuming they are now drier than they were. Although it can take a year or more for dryness to resolve following surgery (you don’t say whether you had LASIK or PRK), at 7 months typically it has resolved for most patients. PRK has a lower risk of permanent dryness than does LASIK. I would recommend discussing this with your doctor. In the interim, while you are waiting (and hoping) for it to improve, there are several things you can do to help the dryness. Artificial tears, nighttime lubricating ointments, Restasis prescription eyedrops, and punctum plugs are all very helpful at treating post-surgical dryness.
As far as the blurry vision, it may be from the dryness, or it may be unrelated. A consultation with your surgeon can easily determine the cause and how to address it.

 

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February 11, 2015

Question:
I am 19 years old. I have -9 and -11 nearsightedness. Corneal thickness is 510 and 508. Which eye surgery should I consider?

Answer:
Your prescription is high, and your corneas are thinner than normal. If your corneal topography is at all abnormal, I would NOT consider any laser treatment such as LASIK or PRK (LASEK); rather, I would consider the ICL (Implantable Collamer Lens) procedure, which is extremely effective at correcting large amounts of myopia. If your corneal topography is perfectly normal, you could consider a corneal laser refractive surgery such as LASIK or PRK. If you choose LASIK, I would recommend the all-laser approach with a thin flap in order to conserve corneal bed thickness.

Different surgeons might have different recommendations for you regarding the various procedures. There’s no absolute right or wrong answer in your case as far as which is the best way to go. In my opinion, the ICL would give you the best vision with the lowest risk of any side effects or complications.

 

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June 10, 2011

Mechanical engineering Assistant Professor Adela Ben-Yakar at The University of Texas at Austin has developed a laser “microscalpel” that destroys a single cell while leaving nearby cells intact, which could improve the precision of surgeries for cancer, epilepsy and other diseases.

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June 10, 2011

A compact fiber-optic probe developed for the space program has now proven valuable for patients in the clinic as the first non-invasive early detection device for cataracts, the leading cause of vision loss worldwide.

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June 10, 2011

Stem cells collected from human corneas restore transparency and don’t trigger a rejection response when injected into eyes that are scarred and hazy, according to experiments conducted in mice by researchers at the University of Pittsburgh School of Medicine.

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