Practical guides to glasses, contact lenses and sunglasses. What the numbers on a prescription and a frame mean, how lens types differ and when to see an optician.
To order glasses online you need an up to date prescription, your pupillary distance and the size of a frame that already fits you. Here is how to read all three.
Dailies are the simplest to look after, monthlies cost less per day if you clean them properly. Here is how the lens types differ and what to check before you reorder.
