Blue-light filtering glasses probably make no difference to eye strain – study

Researchers found there may be no short-term advantages with using blue-light filtering lenses (Yui Mok/PA)

Glasses that filter blue light from screens probably make no difference to eye strain, eye health or sleep quality, a new study suggests.

Blue-light filtering lenses, also known as blue-light blocking spectacles, have been increasingly prescribed or recommended, often by optometrists, since the early 2000s, the researchers say.