- Start from the centre of the lens at the top of the frame 
- Using your thumb, pull the rubberised frame away from the lens 
- Work along the lens towards the corners to separate the frame 
- Once the corners are free, pull the lens away from the bridge 
- Place the new lens into the bridge first and press to secure 
- Then, work the lens into the frame, working corner by corner 
- Press the frame firmly into the edges of the lens to ensure it’s secure. There are symbols printed on the frame to show you where to push! 
- Remember! Try not to touch the front or back of the lens to avoid smudges!