Oct 23 (Reuters) - Staar Surgical ( STAA ) has adjourned

its shareholder vote on Swiss eyecare giant Alcon's

$1.5 billion takeover offer until November 6, the company said

on Thursday.

The delay comes amid opposing campaigns between Staar's

board and key investors, led by Broadwood Partners which owns

27.5%. Opposing shareholders argue that the deal undervalues the

business and reflects a flawed sale process.