It is hard to see. If you can't focus after the surgery, it may caused by some lasik surgery complications or side effects. In some serious cases, it may caused by overcorrection or undercorrection for the eyes. That is to say, you got a unsuccessful lasik eye surgery. So far, most of patient who take the surgery may suffered from glare, seeing halos around images, fluctuating vision and dry eyes etc. If you can't focus over 48 hours, you must consult your surgeon.
Yes,it is right.Ur eyes will not be able to focus after lasik for the first few weeks.That is because when u have done this surgery,ur eyes will get some kind of eye inflammation to some extent.But don't worry too much,in most cases,this eye inflammation can be very mild so that it won't hurt ur eyes anyway.But u still need to be very careful in the first few weeks.