Symptoms of secondary syphilis begin a few weeks after the disappearance of the sore and include: a non-itchy skin rash. small skin growths on the vulva (in women) and around the anus (in both men and women) flu-like symptoms such as tiredness, headaches, joint pains and fever. swollen lymph glands. weight loss.
As the condition progresses, diabetic retinopathy symptoms may include: 1  Spots or dark strings floating in your vision (floaters) 2  Blurred vision. 3  Fluctuating vision.  Impaired color 1  vision. Dark or empty areas in your vision.  Vision loss.
Diabetic retinopathy is a disorder of major public health importance, and one of the major causes of visual loss which cannot be corrected with glasses . The condition is due to damage to the small blood vessels that nourish the retina, the light-sensitive tissue that lines the back of the eye. There are often no symptoms in the early stages of diabetic retinopathy. Therefore, vision may not be affected until the disease becomes severe. At this earliest stage, microaneurysms occur. Microaneurysms are small areas of balloon-like swelling in the retina's blood vessels. 2. As the disease progresses, some blood vessels that nourish the retina are blocked. Many more blood vessels are blocked, depriving several areas of the retina of blood supply.