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No one knows for certain, the minimum thickness of cornea that should be left. Different lasers remove different amounts of tissue per unit of nearsightedness. Also different surgeons create a different thickness of a flap. Lastly, is the method in which the corneal thickness was measured. Most surgeons like to leave at least 300 mincrons of tissue at the bottom after the treatment. For example, in my hands, I generally make a 100 micron flap. My laser would remove 50-60 microns of tissue for a -3.5 d prescription. That would keep above our 300 micron minimun. Also of consideration is the method used for measurement of corneal thickness. The actual thickness could be greater or less depending. I urge you to seek a consultion from an experienced LASIK surgeon but be willing to have Advanced Surface Ablation PRK if your cornea is in fact too thin.
While you would not be a good candidate for LASIK, you will probably have just enough corneal thickness to do PRK. I would recommend a thorough consultation with your lasik surgeon and ophthalmologist first. Good Luck
The front surface takes time to fully heal after laser vision correction. Dryness, small prescriptions can result in the symptoms you describe. Additionally, some people notice glare, haloes or starbursts for a few months. Most often, over time with healing they resolve. You should...
PRK might be the best option for you if the corneal topography is normal and there are no other contraindications. ICL would likely give you better vision but as a 23 year old, there would be some question as to whether it might increase your risk of developing cataracts at a young age...
PRK is a type of surgery similar to LASIK except there is no flap created in the cornea, This results in a longer recovery time. Most PRK patients will have recovered by 2 weeks following the surgery but occasionally it does take 4 weeks or longer for vision to settle down and the...
