Hello,
Regarding your first query-You would have been provided with tests and documents about the surgery performed, kindly go through that.
I understand your concern but dryness is known and commonest complaint that patients face after LASIK. please use ample amount of lubricants ...Start systane ultra eyedrops in both eyes 6 times a day for 4 weeks and eyemist gel in both eyes at bedtime.
Next Steps
visit your ophthalmic surgeon if problem persists.