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Message: <blockquote data-quote="Chosun Juan" data-source="post: 3696899" data-attributes="member: 92780">I have pretty strong myopia, and have tried several methods of viewing. Ultimately I settled on just leaving my prescription glasses on full time and getting bins to suit. If I try to search for birds just with my eyeballs without glasses, then I am as blind as a bat ! - unable to pick out a falcon gliding across the sky, and thus have no idea where to point the bins.No matter how much 'nicer' (and I do agree that it tangibly is) the view appears through bins without the extra layers of glass from prescription eyeglasses added to the system, in practice it is just not a logical way to view for me.The ER of high end bins from Nikon, Swarovski, and Zeiss work well with my glasses, the ones from Leica not so much (I haven't seen the new NV yet).If long over travel corrections past infinity don't generally exist it must be because their is not much logical call for it - ie. most strongly short sighted people would use their bins as I do.Chosun   :gh:</blockquote>