Do you use actual OC measurements for your SV patients, or do you set the OC to the frame center? Or does it depend on the lens/Rx? I like to use the actual OC in most circumstances, except for higher plus lenses. On occasion I have had problems with patients adapting to yoked vertical prism in aspheric lenses, even though the induced yoked prism is quite low. Anyone else notice this?
Vertical decentration in SV lenses
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