Loupe Half Frame - LargeReplacement frames for Rose Micro Solutions Loupes. The half frame is a metal frame that allows you to wear a loupe with your prescription glasses. This is a low cost option that's very comfortable because the nose piece slips up and behind your existing glasses and the barrels of your loupe sit in front of your prescription glasses. The nose piece is easily adjustable to perfectly fit your needs. The sizing relates to the width across the top of the