Warning over dangers of cheap online glasses

Kirsty Wigglesworth/AP/Press Association Images

The advent of online shopping has brought us all sorts of benefits - from convenience to far lower prices. However, Which? is warning today that when it comes to buying glasses, there are some very real risks.

Researchers bought 36 pairs from 13 online sellers, and discovered problems with 15 of them - some of which could be very risky.