vrijdag 24 mei 2013

Osi 225



Blended myodisc glasses (also called Lentilux) were an invention from the early 1980's. Just like the earlier myodisc glasses, these lenses consist of a central "bowl" (with the necessary correction for extreme myopia) and a surrounding carrier lens. The difference with the early myodisc lenses is the gradual transition between the bowl and the carrier lens. The down side is the even more reduced field of view but the advantage was aesthetic. Seen "en face", there are no power rings and there is no "cut in" effect. The model's eyes appear about one third smaller than they are without glasses. My collection hosts half a dozen of these ultra rare glasses. This nameless pair was made in Germany in the late 1980's.

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