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.
Eyewear Measurements. Glasses have three primary sizes you need to know about. Eye size is the width of the lenses at the widest part. Itâs the most common measurement youâll see in reference to the size of glasses. Ray-Ban New Wayfarer Sunglasses come in 52 mm and 55 mm lens sizes.