Question about sunglasses

[FruitFly]

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Generally speaking, is it possible to change the tint in a lens without needing to do new whole new Rx sunglasses lenses? And is it easier with plastic lenses versus glass?

 

[optojake]

i know if they were made at an optical with a dip-able tint, there is something you can dip it back into to remove the tint, i believe.

not 100% on that though.

 

[IndianaOD]

Depends on the material and if there are any other lens coatings.

 

[ibalz]

Generally, for uncoated CR-39 & uncoated hi-index (up to 1.67, but excluding polycarb) the tint can be neutralized in the tint unit, sort of bleached, then re-tinted a different color without a lens change.

 

[Mewcakes]

It depends on the age of the Rx. If it's older than 2 years, they may not want to dispense an expired Rx to you, even if you're bringing the original lens to them.