Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated April 2, 2004, relating to the consolidated financial statements and financial statement schedule of IRIDEX Corporation, which appears in IRIDEX Corporation’s Annual Report on Form 10-K for the year ended January 3, 2004.

/s/ PRICEWATERHOUSECOOPERS LLP

San Jose, California

August 2, 2004