Hi Sue969 I was advised by team that chemo can Change your vision ,like you I had been meaning to change for while .
My optician was a bit vague about it but did as I asked and tested so I knew how great the need was or not for new lenses . There was minimal change so l left it . My vision dud change slightly and I developed dry eye so used drops from chemo unit .
It takes about three month for chemo to leave your system so I revisited optician after about four month there was only slight change to lenses and I changed glasses then .
