Know your metrics as an Optician! There are 1 post in this topic by 1 person. eyetest almost 3 years ago https://opticianworld.com/2009/05/17/know-your-m… Add your reply: Attach a photo… Formatting Tips Type this: …to see this: If I may be so *bold* → If I may be so bold I must _emphasize_ my point → I must emphasize my point A link to "Google":https://google.com/ → A link to Google * Bulleted lists* are sometimes clearer* than sentences → Bulleted Lists are sometimes clearer than sentences