UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                    FORM 8-K

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                                 CURRENT REPORT

                       PURSUANT TO SECTION 13 OR 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

       DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): NOVEMBER 6, 2007

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                                OSI SYSTEMS, INC.
                 (EXACT NAME OF REGISTRANT SPECIFIED IN CHARTER)

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     CALIFORNIA                     000-23125                    330238801
   (STATE OR OTHER           (COMMISSION FILE NUMBER)          (IRS EMPLOYER
    JURISDICTION                                            IDENTIFICATION NO.)
  OF INCORPORATION)

                              12525 CHADRON AVENUE
                               HAWTHORNE, CA 90250
               (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

                                 (310) 978-0516
              (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

|_|  Written  communications  pursuant to Rule 425 under the  Securities Act (17
     CFR 230.425)

|_|  Soliciting  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

|_|  Pre-commencement   communications  pursuant  to  Rule  14d-2(b)  under  the
     Exchange Act (17 CFR 240.14d-2(b))

|_|  Pre-commencement   communications  pursuant  to  Rule  13e-4(c)  under  the
     Exchange Act (17 CFR 240.13e-4(c))



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Item 2.02. Results of Operations and Financial Condition.
      On November 6, 2007,  we issued a press release  announcing  our financial
results for the first  quarter of fiscal  2008.  A copy of the press  release is
attached hereto as Exhibit 99.1 and incorporated  herein in its entirety by this
reference.
      On November 6, 2007, Spacelabs Healthcare,  Inc., a subsidiary that serves
as a holding  company for our Healthcare  division,  also issued a press release
announcing its financial results for its first quarter ended September 30, 2007.
Spacelabs Healthcare is listed on the AIM of the London Stock Exchange, where it
has traded  since  October  2005 under the ticker  symbol  "SLAB." A copy of its
press release is furnished as Exhibit 99.2.

      We are furnishing the  information  contained in this Item 2.02 (including
Exhibit  99.1 and 99.2).  It shall not be deemed to be "filed"  for  purposes of
Section 18 of the  Securities  Exchange  Act of 1934,  as amended,  or otherwise
subject  to the  liabilities  of that  section,  nor  shall it be  deemed  to be
incorporated  by reference in any filing under the  Securities  Act of 1933,  as
amended, or the Securities Exchange Act of 1934, as amended.

Item 9.01. Financial Statements and Exhibits.
     (d) Exhibits


 Exhibit 99.1:  Press Release of OSI Systems, Inc., dated November 6, 2007
 Exhibit 99.2:  Press Release of Spacelabs Healthcare, Inc. dated
                November 6, 2007




                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


                                               OSI SYSTEMS, INC.
Date: November 6, 2007

                                               By: /s/ Alan Edrick
                                                  ------------------------------
                                                   Alan Edrick
                                                   Chief Financial Officer




                                  EXHIBIT INDEX


Exhibit
Number      Description
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99.1        Press Release of OSI Systems, Inc., dated November 6, 2007.
99.2        Press Release of Spacelabs Healthcare, Inc., dated November 6, 2007