EXHIBIT 4 JOINT FILING AGREEMENT The undersigned parties hereby agree that this Amendment No. 2 to Schedule 13D filed herewith relating to the ordinary shares, par value NIS 0.10 per share, of Lumenis Ltd. is being filed jointly with the Securities...

                                                                       EXHIBIT 4

                             JOINT FILING AGREEMENT

     The undersigned parties hereby agree that this Amendment No. 2 to Schedule
13D filed herewith relating to the ordinary shares, par value NIS 0.10 per
share, of Lumenis Ltd. is being filed jointly with the Securities and Exchange
Commission pursuant to Rule 13d-1(k) on behalf of each such person.

Date: March 30, 2009

                                                   Ofer Hi-Tech Investments Ltd.

                                                   By: /s/ Xxxx Xxxxxxx
                                                   -----------------------------
                                                   Name: Xxxx Xxxxxxx

                                                   Ofer Holdings Group Ltd.

                                                   By: /s/ Xxxx Xxxxxxxxx
                                                   -----------------------------
                                                   Name: Xxxx Xxxxxxxxx

                                                   Lynav Holdings Ltd.

                                                   By: /s/ Xxxxxxx Xxxxx
                                                   -----------------------------
                                                   Name:  Xxxxxxx Xxxxx