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 is the result of damage caused by diabetes to the small blood vessels located in the retina. Blood vessels damaged from diabetic retinopathy can cause vision loss: 1  Fluid can leak into the macula, the area of the retina which is responsible for clear central vision.2  In an attempt to improve blood circulation in the retina, new blood vessels may form on its surface.lood vessels damaged from diabetic retinopathy can cause vision loss: 1  Fluid can leak into the macula, the area of the retina which is responsible for clear central vision. 2  In an attempt to improve blood circulation in the retina, new blood vessels may form on its surface.