How much bluelight does it block?

Ocushield screen protectors block 90% of blue light between wavelengths 380nm to 420nm and up to 35% blue light from 420 to 500nm. Ocushield glasses block 95% of blue light between wavelengths 380nm to 420nm and up to 40% from 420 to 500nm.

Is this tempered glass or plastic? Can it be cut to size?

Mobile screen protectors are tempered glass, as such they cannot be cut to size.

Will it have clarity issues?

We developed Ocushield products with user experience in mind, so image clarity is not affected while protecting you from harmful blue light. When compared to night mode, our filters provide a crystal clear image - without the retro orange tone.

How sturdy are the filters?

Our tempered glass can withstand a 64g steel ball or be dropped from a 50cm height 3 times.

How do I know this really helps?

Ocushield is a specialist product and the worlds only medically-rated screen protector, accredited by the MHRA. Products help absorb harmful blue light which can help with tired eyes, migraines and sleepless nights.