EXHIBIT 32.2

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of QLT Inc., (the “Company”), for the quarter ended March 31, 2007, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Cameron R. Nelson, Vice President, Finance and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1)	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at and for the periods indicated.

Dated: May 9, 2007

/s/ Cameron R. Nelson  

Cameron Nelson 

Vice President, Finance &
Chief Financial Officer
(Principal Financial and Accounting Officer)