Home try-on programs

Many online glasses or frames retailers and some clothing companies let their potential customers order multiple products to try on before buying. The convenience of this service lets the customer find their perfect frames and also get feedback from their friends and family.

There’s no commitment and they provide free shipping and returns for their customers. It’s unlikely that your customers will move forward without buying, the moment they put a pair of their selected try on glasses, 

Source - DigitalPsychology.io