I work for a hardware store and looking for reading glasses for kids strength 50,75,100. which company have +0.50 and +0.75 SPH?
Thank you for your help.

Hi, Lemoyne. You could choose to buy spectacles online. in our daily life, we usually use google to search lots of information to solve problems. Why don’t you use google and internet to buy some supplies? You could have a try! thank you