We’ve chosen 0.50 steps for two main reasons:
First, the eye can naturally adapt to slight variations in correction thanks to accommodation, which ensures good visual comfort even with a 0.50 diopter difference. Second, we design reading glasses as an evolving product: as you age, your visual needs change, and simple increments make it easier to adjust progressively.

Yes, some models include a blue light filter, ideal for women who frequently read on screens or work in front of a computer. This reduces eye strain and protects your eyes.