Sola Says Agrees to Be Sold for \$815 Mln  NEW YORK (Reuters) - Sola International &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=SOL.N target=/stocks/quickinfo/fullquote"&gt;SOL.N&lt;/A&gt;, an  eyeglass lens maker, said on Sunday that it had agreed to be  bought by Germany's Carl Zeiss AG and European private equity  firm EQT for about \$815 million in cash.