Hi Ken Please give my best regards to Wanda. Dan Rosberger On Dec 4, 2013 8:32 PM, "Kenneth Boyd" <kennethmboyd@xxxxxxxxx> wrote: > Tim, > I have both a 15mm & a 18mm 3 mirror gonio lens. Personally, like the 18mm > the best. I find it easier to hold in my hand and it's easier to maneuver > as well. I also find it more challenging to achieve good gonio photos with > the smaller lens. I would choose either the 17mm or the 18mm, especially if > you have large hand. > > Good Luck! > > Ken Boyd, CRA > ------------------------------ > From: Steffens, Timothy <tjsteffe@xxxxxxxxxxxxx> > Sent: 12/4/2013 10:57 AM > To: optimal@xxxxxxxxxxxxx > Subject: [optimal] Gonio lens > > Hi all, > > I need to purchase a new 3 mirror Goldman lens and was wondering what the > size people use, 15, 16, 17 or 18mm. Obviously the smaller the size the > easier it is to put the lens on but the coverage my not be as wide. Here is > what I'm looking at: > > http://www.ocularinc.com/ocular-three-mirror-universal-laser-17mm.html > > Thanks, > > Tim Steffens, CRA > Director of Ophthalmic Imaging > University of Michigan Kellogg Eye Center > 1000 Wall Street > Ann Arbor, MI > P: 734-936-2283 > tjsteffe@xxxxxxxxx > > ********************************************************** > Electronic Mail is not secure, may not be read every day, and should not > be used for urgent or sensitive issues >