- Diabetic retinopathy can be silent in early stages.
- Good glucose, blood-pressure and cholesterol control reduces overall microvascular risk but does not replace eye screening.
- Sudden vision change, new floaters or a dark curtain across vision needs urgent eye assessment.
Why this deserves attention
Diabetes can damage retinal blood vessels before vision changes are obvious. Regular eye screening matters even when eyesight seems normal.
The same symptom can have several causes. Useful clues include how quickly it changed, how severe it is, what comes with it, personal risk factors and whether it is clearly different from your normal baseline.
What to observe
Keep track of your last retinal screening date, diabetes control and any new blurred vision, floaters or difficulty seeing at night.
Write down when symptoms happen, how long they last, triggers, changes in normal function and medicines or supplements already taken. A short record often makes a consultation more useful.
Sensible next steps
Follow the recommended diabetic eye-screening schedule and do not wait for blurred vision before booking an examination.
Medical assessment and where TCM fits
Eye specialists can detect retinal changes with retinal photography and dilated examination and treat sight-threatening disease when needed.
TCM cannot replace retinal screening or sight-saving treatment. Discuss herbs with the diabetes team because glucose medicines and kidney disease can affect safety.
TCM and conventional care can sometimes complement each other, but acute red flags, conditions needing imaging or blood tests, and diseases with established evidence-based treatment require diagnosis and safety to come first.
When not to wait
Sudden loss of vision, a curtain/shadow, severe eye pain, flashes with many new floaters or neurological symptoms needs urgent assessment.
Related reading & Singapore resources
This page provides general health education, not an individual diagnosis or emergency plan. Sudden, severe, worsening or red-flag symptoms should be assessed through appropriate conventional medical or emergency care.