Let us go through various components of Integrated Marketing Communication: 1  The Foundation - As the name suggests, foundation stage involves detailed analysis of both the product as well as target market. It is essential for marketers to understand the brand, its offerings and end-users.
If the PD of your basic prescription is 29.5/31.0, the PD for computer glasses would be 29.0/30.5 or 28.5/30.0. To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number.
When you see the numbers on the glasses frame, it means the lens size, bridge length and arm length. In order to make the eyeglasses suitable for you, the eyeglasses are designed in the detail with different sizes according to your face size. Owning these sizes, you will not have the eyeglasses slipped off easily.