**Exhibit 31.1****CERTIFICATIONS**I, Gregg D. Scheller, certify that:1. I have reviewed this annual report on Form 10-K of Synergetics USA, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report; 3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all material respectsthe financial condition, results of operations and cash flows of the registrantas of, and for, the periods presented in this report; 4. The registrant’s other certifying officer(s) and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined inExchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for theregistrant and have: (a) Designed such disclosure controlsand procedures, or caused suchdisclosure controls and proceduresto be designed under oursupervision, to ensure that materialinformation relating to theregistrant, including itsconsolidated subsidiaries, is madeknown to us by others within thoseentities, particularly during theperiod in which this report is beingprepared;  (b) Designed such internal control overfinancial reporting, or caused suchinternal control over financialreporting to be designed under oursupervision, to provide reasonableassurance regarding the reliabilityof financial reporting and thepreparation of financial statementsfor external purposes in accordancewith generally accepted accountingprinciples;  (c) Evaluated the effectiveness of theregistrant’s disclosure controls andprocedures and presented in thisreport our conclusions about theeffectiveness of the disclosurecontrols and procedures, as of theend of the period covered by thisreport based on such evaluation; and  (d) Disclosed in this report any changein the registrant’s internal controlover financial reporting thatoccurred during the registrant’smost recent fiscal quarter (theregistrant’s fourth fiscal quarterin the case of an annualreport) that has materially affected, or is reasonablylikely to materially affect, the registrant’s internalcontrol over financial reporting; and5. The registrant’s other certifying officer(s) and I have disclosed,based on our most recent evaluation of internal control over financialreporting, to the registrant’s auditors and the audit committee of theregistrant’s board of directors (or persons performing the equivalentfunctions): (a) All significant deficiencies and materialweaknesses in the design or operation of internalcontrol over financial reporting which arereasonably likely to adversely affect theregistrant’s ability to record, process, summarizeand report financial information; and  (b) Any fraud, whether or not material, that involvesmanagement or other employees who have asignificant role in the registrant’s internalcontrol over financial reporting.   Date: October 15, 2007 /s/ Gregg D. Scheller     Gregg D. Scheller  President and Chief ExecutiveOfficer