They live in a nest ruled by a queen who is helped by smaller female (worker) bumblebees. Spring. The lifecycle begins in spring, when rising temperatures awaken a queen bumblebee that has been hibernating alone in the soil.
You might not have symptoms in the early stages of diabetic retinopathy. As the condition progresses, diabetic retinopathy symptoms may include: Spots or dark strings floating in your vision (floaters) Blurred vision. Fluctuating vision. Impaired color vision. Dark or empty areas in your vision. Vision loss.
diabetic retinopathy. a disorder of retinal blood vessels. It is characterized by capillary microaneurysms, cotton-wool spots, hemorrhage, exudates, and the formation of highly permeable new vessels. The disorder occurs most frequently in patients with long-standing poorly controlled diabetes mellitus.