We offer four different lens colours with superior blue light blocking technology and properties. All four colours help reduce stress and cortisol levels while boosting your mood and increasing melatonin levels at night! Our Red glasses have the strongest blue light filter, while our Clear computer glasses have the lightest blue light filter but still ensuring great health benefits.Filter Optix Computer GlassesOur Clear computer glasses filter out the entire blue light spectrum (400-495 nm) emitted from digital devices, screens, and LED lights by 35%. They reduce digital eye strain and lower stress, as well as improve your circadian rhythm and sleep to some degree.Filter Optix Yellow GlassesOur Yellow blue light glasses block 100% of all blue light up to 470 nm, eliminating the most harmful artificial blue light to best protect your eyes and inducing relaxation. They will have a stronger effect than the Clear computer glasses, boosting your mood, reducing stress, and increasing melatonin production at night. Filter Optix Orange GlassesOur Orange blue light glasses block 100% of all blue light, and all green light up to 520 nm, preventing artificial blue light from stimulating you and ruining your sleep.They will have a stronger effect than the Yellow glasses, further increasing melatonin levels and improving your circadian rhythm and sleep quality.Filter Optix Red GlassesOur Red blue light glasses block 100% of all blue light, and all green light up to 550 nm, optimising your sleep quality by eliminating all stimulating artificial light at night.They will have an even stronger effect than the Orange glasses, optimising melatonin levels and improving your circadian rhythm and sleep quality.The glasses are available in non-prescription, prescription and reading glasses. Shop Filter Optix Glasses here.