LASIK: Q&A
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Are My Corneas Too Thin For Lasik?
I have 564 and 562 micron corneas +1.75 Lt +1.75 rt astigmatism yes of course. how thin is to thin for lasik which I would prefer over PRK. I would prefer lasik over prk however the lasik plus folks said prk for me!
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6 Doctor Answers |
Asked by
bdsmith49
in Los Gatos, Ca
+2
Corneas too thin for LASIK should get LASEK or epiLASEK
The answer is, if you're asking if your corneas are too thin for LASIK--THEN THEY ARE!:).
Why risk a procedure that will leave your corneas half as thick--and HALF AS STRONG--as LASEK?
Please look at the following QUANTITATIVE explanation so you UNDERSTAND why LASEK is ALWAYS safer than LASIK in terms of leaving you with TWICE as much cornea afterwards.
The strength of your eye after any type of refractive surgery (LASIK, Intranasal, i-LASIK, LASEK, epi-LASEK, PRK) is...
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+2
Thin Corneas and LASIK vs PRK
In determining whether or not a patient is a good candidate for LASIK or PRK, I look at a number of factors:
Current Prescription and stability
Corneal Topography - a map of your surface astigmatism
Corneal Thickness
Age
Pupil size
These variables give me an indication of how well your corneas will hold their shape after laser treatment. We don't want to treat people with good correctable vision who are at risk for corneal instability if...
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Encinitas Ophthalmologist
+1
The average corneal thickness ranges from 500-550 microns
The average corneal thickness ranges from 500-550 microns. Corneal thickness is not the only factor. Other factors include corneal shape (topography), steepness, pupil size, and eye health. Your corneal thickness appears to allow you to be a candidate for PRK or LASIK. And why PRK has been recommended. Some medical reasons to prefer PRK include corneal erosion syndrome, corneal epithelial dystrophies, and having had previous LASIK surgery.
New York Ophthalmologist
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Are My Corneas Too Thin For LASIK
Looking strictly at the numbers you have provided, it does not seem to appear that your corneas are too thin for LASIK. One of the reasons I say this is that the cornea is thinnest in its center and gets thicker peripherally. The advantage you have is that with a farsighted treatment, the majority of your treatment is going to be in the periphery of the cornea, which is the thicker part. Your surgeon can specifically show you your corneal map and emphasized where, exactly, your...
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+1
LASIK vs PRK
Your corneal thicknesses certainly seem adequate for LASIK; however, I'd be interested in knowing your full prescription including your degree of astigmatism in each eye. If you were told you are a better PRK candidate you may have some topographical abnormality or some other findings that may make LASIK less safe. You may consider getting a second opinion if you're not entirely confident with your first consultation. At the end of the day remember this is elective surgery.
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Beverly Hills Ophthalmologist
+1
Corneal thickness and laser vision correction
Most surgeons prefer to leave between 250-300 microns of residual corneal stromal bed after the laser procedure. Based on your prescription, if I understand it correctly, it seems that your corneas are thick enough for either LASIK or PRK. There may be other variables however (dryness, topographic changes etc.) that make you a better candidate for PRK.
New York Ophthalmologist
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