**Exhibit 31.1**

 

CERTIFICATIONS

 

I,James V. Mazzo, the Chief Executive Officer of Advanced Medical Optics, Inc., aDelaware corporation, hereby certify that:

 

1.               I have reviewedthis Quarterly Report on Form 10-Q for the quarter ended March 31, 2006, ofAdvanced Medical Optics, Inc.;

 

2.               Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, inlight of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

 

3.               Based on myknowledge, the financial statements and other financial information included inthis report fairly present in all material respects the financial condition,results of operations and cash flows of the registrant as of, and for, theperiods presented in this report;

 

4.               The registrant’sother certifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)and 15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

 

(a)          Designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that material information relatingto the registrant, including its consolidated subsidiaries, is made known to usby others within those entities, particularly during the period in which thisreport is being prepared;

 

(b)         Designed such internalcontrol over financial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparationof financial statements for external purposes in accordance with generallyaccepted accounting principles;

 

(c)          Evaluated theeffectiveness of the registrant’s disclosure controls and procedures andpresented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisreport based on such evaluation; and

 

(d)         Disclosed in this reportany change in the registrant’s internal control over financial reporting thatoccurred during the registrant’s first fiscal quarter that has materiallyaffected, or is reasonably likely to materially affect, the registrant’sinternal control over financial reporting; and

 

5.               The registrant’sother certifying officer and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to the registrant’sauditors and the audit committee of the registrant’s board of directors (orpersons performing the equivalent functions):

 

(a)          All significantdeficiencies and material weaknesses in the design or operation of internalcontrol over financial reporting which are reasonably likely to adverselyaffect the registrant’s ability to record, process, summarize and reportfinancial information; and

 

(b)         Any fraud, whether or notmaterial, that involves management or other employees who have a significantrole in the registrant’s internal control over financial reporting.

 

Date:May 9, 2006

 
|   | /s/ JAMES V. MAZZO                    |   |
|--------|---------------------------------------|--------|
|   | James V. Mazzo,                       |
|   | President and Chief Executive Officer |

 

**A signed original of this written statement required by Section 302 hasbeen provided to Advanced Medical Optics, Inc. and will be retained by AdvancedMedical Optics, Inc. and furnished to the Securities and Exchange Commission orits staff upon request.**

 

----