Macular edema eye can result in improved visual outcomes for patients with chronic or refractory diabetic macular edema. Macular edema Macular edema occurs when fluid and protein deposits collect on or under the macula of the eye (a yellow central area of the retina) and causes it to thicken and swell (edema). The swelling may distort a person's central vision, because the macula holds tightly packed cones that provide sharp, clear, central vision to enable a person to see detail, form, and color that is directly in the centre of the field of view. The causes of macular edema are numerous and
Persistent edema of rosacea Persistent edema of rosacea Persistent edema of rosacea (also known as "Chronic upper facial erythematous edema," "Morbihan's disease," or "Rosaceous lymphedema") is a hard, nonpitting edema found on the areas involved, those mainly being the forehead, glabella, upper eyelids, nose, and/or cheeks. Persistent edema of rosacea is an uncommon cutaneous condition characterized by a hard, nonpitting edema restricted to the forehead, glabella, upper eyelids, nose, and cheeks. This condition is also known as chronic upper facial erythematous edema, Morbihan's disease, morbus Morbihan, and rosaceous lymphedema. Despite the name, it is unclear whether this condition is a distinct disease or a