Just had a client in he is wearing a magic Twist form Viva. Purchase frame in the summer says these are the most comfortable frame he has worn. One problem when he goes out in the cold frame turns soft. Today it is -18 C outside I put the eyewear out for 5 mims. and sure enough it starts to go soft soon as I bring it into the heat frame goes back to ordinal shape has any one got any information on this.
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