I cannot choose between PRK, LASEK and ICL. Please go through my myopic prescription and let me know which is best for me.

My cornea's thickness is 480 microns and my eyesight is 6.50 in both eyes (myopic). Also have some cylindrical power. I was gonna go for LASIK to join the army but the doctor said LASIK is too risky for me as my corneal thickness is low. Now I cannot choose between PRK, LASEK and ICL based on corneal thickness. My requirement is atleast 400 microns of cornea after the procedure. Obviously safety and comfort are requirements too. Also, how easily are these 3 detectable by the army doctors.

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