I can't offer science but I will offer that my family has had a history of dyslexia on the side of my family that my brother greatly seems to take after. He has

I can't offer science but I will offer that my family has had a history of dyslexia on the side of my family that my brother greatly seems to take after. He has used colored overlays, lenses and contacts and it's noticeable for him if he has to go without. He's been wearing them for probably 8 years now, maybe.