I think the averge charges for a lasik surgery is about $2000-3000, it is affordable. But the excat cost for you is dedtermined by several factors, the places you choose to do the surgery, your corneal thickness and pupil size, the prescription of your eyes.
Here are some datas for reference: Average LASIK costs were:
$2,150 for all laser-based vision correction procedures (including LASIK) in which a single price is quoted.
$1,580 for non-customized LASIK using a bladed instrument (microkeratome) and excimer lasers that are not guided by wavefront analysis.
$2,170 for wavefront-guided LASIK using a laser-created flap.