EX-23 5 ex23_sb-2111803.txt PERRY-SMITH LLP AUDITOR LETTER Exhibit 23.1 CONSENT OF PERRY-SMITH LLP INDEPENDENT AUDITOR'S CONSENT We consent to the reference to our firm under the caption "Experts" and to the use of our report dated February 17, 2003 in this Form SB-2, and related Prospectus of Ophthalmic Imaging Systems for the registration of 1,716,496 shares of its common stock. PERRY-SMITH LLP /s/ PERRY-SMITH LLP --------------------------- Sacramento, California November 18, 2003