The answer to âwhat is CRM processâ may sound straightforward but it entails approaches, systems and technologies to compile information on customers across different channels or points of contact between your company and the customers.
Any type of vision loss (e.g. blindness, blurred vision, double vision, etc.) is a symptom of great concern. Many of the causes are very serious medical conditions. Certain types of vision changes can be a medical emergency where delay can lead to loss of sight (e.g. for causes such as glaucoma, eye injury, retinal detachment) or loss of life (e.g. for causes such as stroke, TIA, etc.).
1 Diabetic retinopathy is the most common cause of vision loss among people with diabetes and a leading cause of blindness among working-age adults.  DME is a consequence of diabetic retinopathy that causes swelling in the area of the retina called the macula.