Grab your wellies and sunglasses – it's the start of festival season! While hearing all your favourite songs is the top priority, having clear vision of all the action onstage is just as important.  

If you’re considering whether you should take your specs or if contact lenses are the better choice, here's our guide to summer’s major festivals and tips to soak up all the sights and sounds you paid the hefty ticket price for.

Every type of contact lens, no matter the style or brand, will have measurements that dictate the size and shape of the lens. These are called base curve and diameter. On your prescription or lens packaging, the base curve is often labelled BC or BOZR (base optic zone radius), and the diameter is usually displayed as DIA. These measurements are essential to ensure your contact lens fits snugly on your eye and allows for a comfortable wearing experience. 

Not sure whether to choose glasses or contact lenses? Or, do you already have glasses, and don't dare to wear contact lenses? We've listed the pros and cons of glasses and contacts to make your choice easier.