Blue light blocking reading glasses with spring hinges,frame height about 1 1/2 inches (38mm).
Ready for who need them - We started making this product in order to meet the needs of people who farsighted with different diopters in each eye.Now, you can choose a different lens power in your cut blue rays readers directly.
Flex Combinations - The range of lens strength combinations are from 0 strength (plano) to 4.0 strength. Simply choose different strengths for your right eye and left eye, and then wait for your customized blue light blocking specs shipped.
Easy to install - With ready-made frame and insertable front connection, it is super easy for everyone to make right and left frame together. (Please install blue light filter reading glasses by yourself if required)
