My husband got tear duct injury. What is total cost of tear duct
reconstruction in USA?

I looked around the Net for possible clues on a price and found some
quotes. They differ actually from place to place. Though I may not be
able to list prices everywhere, I hope this gives you an idea.

The James Hall Eye Foundation - Statistics of Patients Treated
http://fdncenter.org/grantmaker/jameshall/treated.html
- $150 to $300 for tear duct operations. I am not sure if this quote
includes reconstructive surgery.

Here, the Rochester Community Individual Practice Association , Inc.
prices Tear Duct Repair as $578.60 (It's this cheap, I think, because
of Aetna contributions):
http://www.rcipa.com/rcipa/aetna/Feeschedule/RCIPA-Aetna-Fee-Eye.pdf

Ambulatory Surgery Center Fee Schedule - Prices Tear Duct Repair at
$1130.28 (This might be more realistic).
http://www.lni.wa.gov/hsa/MARFS/2002FeeSchedule/FeeSchedulesPDF/ASC8.pdf

Search terms used on Google:
tear duct surgery cost
tear duct surgery price
tear duct surgery fee

I hope this has been of help. If you have anything to clarify, do post
a request for clarification, and I will respond. Thank you.