Exhibit 16.1 ------------ [DELOITTE & TOUCHE LLP LETTERHEAD] July 3, 2003 Securities and Exchange Commission Mail Stop 11-3 450 5th Street, N.W. Washington, D.C. 20549 Dear Sirs/Madams: We have read Item 4 of MediCor Ltd.'s Form 8-K dated July 7, 2003, and have the following comment: We agree with each of the statements made, with the exception of the first sentence, to which we have no basis on which to agree or disagree. Yours truly, /s/ Deloitte & Touche LLP - ------------------------- Deloitte & Touche LLP