<unk>  is often secondary to diseases such as diabetes or hypertension. Controlling blood sugar levels and blood pressure have been shown to help decrease incidence of<unk> . Blood sugar control: If someone has diabetes, or is at high risk for diabetes, it is important for them to have their blood sugar levels checked. The gold standard blood sugar test is the A1C test. Many studies have suggested that lowering A1C levels in someone with elevated A1C levels can lower the incidence and progression of<unk> . Fortunately, blood sugar control can have benefits beyond just the eye. A primary care physician can help with blood sugar control strategies. Blood pressure control: Controlling blood pressure can also lower the incidence and progression of<unk> . A primary care physician can help with blood pressure control strategies. Other: Besides blood sugar and blood pressure control, there are other modifications that can help. Regular exercise may help lower the incidence and progression of<unk> . If someone has sleep apnea, treatment of sleep apnea may help as well.
Retinopathy
Maculopathy
Optic neuropathy
Peripheral neuropathy
Color blindness
Arthropathy
Retinal degeneration 
Ocular hypertension