This excerpt taken from the EYE 10-Q filed Aug 9, 2006.
7. Counterparty Purchases.
Counterparty (or any affiliated purchaser as defined in Rule 10b-18 under the Exchange Act (Rule 10b-18)) shall not, without the prior written consent of GS&Co., directly or indirectly purchase any Shares, listed contracts on the Shares or securities that are convertible into, or exchangeable or exercisable for Shares (including, without limitation, any Rule 10b-18 purchases of blocks (as defined in Rule 10b-18)) during any Relevant Period (as extended pursuant to the provisions hereof). During this time, any such purchases by Counterparty shall be made through GS&Co., or if not through GS&Co., with the prior written consent of GS&Co., and in compliance with Rule 10b-18 or otherwise in a manner that Counterparty and GS&Co. believe is in compliance with applicable requirements.
8. Additional Termination Event. The declaration of any Extraordinary Dividend by the Issuer during the Calculation Period will constitute an Additional Termination Event, with Counterparty as the sole Affected Party and all Transactions hereunder as the Affected Transactions.