What retinal images and diabetes history actually need to show
Diabetic retinopathy affects the retina, the light-sensitive layer at the back of the eye. A Chinese ophthalmologist reviewing your case needs to see the retina's current state, not just a diagnosis label. That means the actual images, not only a written report describing them. If you have colour fundus photographs, optical coherence tomography (OCT) scans, or fluorescein angiography images, these are the records that let a specialist judge whether there is macular oedema, proliferative changes, or other features that might influence treatment direction.
Your diabetes history matters because retinopathy is a complication of diabetes, and the eye findings are interpreted alongside how long you have had diabetes, how it is currently managed, and what your recent blood glucose and blood pressure control looks like. A retinal image without this context is harder to place. The treating ophthalmologist will want to know whether the retinopathy appears stable, progressing, or already treated, and the diabetes history helps frame that assessment.
This is not a general medical archive request. It is a focused request: the images that show your retina, and the diabetes information that gives those images meaning. Sending a complete hospital file without these specific items may slow review rather than help it.
Previous injections or laser treatment change how images are read
If you have already had intravitreal injections, panretinal photocoagulation, focal laser, or vitrectomy, that history is not background detail. It changes how a specialist reads your current images. Laser scars, for example, are visible on fundus photographs and can be mistaken for active disease if the treating team does not know they are treatment marks. Injection history tells the ophthalmologist whether the retina has already been exposed to anti-VEGF therapy and how it responded, which is relevant to whether further injections might be considered.
The practical point is that you should try to provide dates and types of previous eye treatment, not just the fact that you had 'some laser' or 'an injection'. If you do not have exact dates, approximate timing by year or by relation to other events is more useful than nothing. If you have discharge summaries or injection records from the treating eye department, include them. If you do not, say so clearly rather than leaving the reviewer to assume no prior treatment.
This is also where a records-based review has limits. A specialist reading your images and history can form an opinion about what the images show and what options might be worth discussing. That opinion does not replace an in-person examination, and it does not confirm that any particular procedure is suitable for you. The treating hospital makes that decision after its own assessment.
Ongoing eye follow-up: what to document and what to ask
Diabetic retinopathy care is usually a continuing process, not a single visit. If you are already under the care of an eye clinic, the Chinese ophthalmologist will want to know how often you are seen, what monitoring has been done, and whether any changes have been noted over time. A single set of images taken today is useful; a series showing change over months or years is more useful. If you have previous OCT scans or fundus photographs from earlier visits, include them even if they are older, because they show whether the retina has changed.
You should also be clear about what you are currently doing for your eyes. Are you receiving injections on a schedule? Have you been told you need laser but not yet had it? Are you on a monitoring interval with no active treatment? These are different situations, and the Chinese clinical team will want to understand which one applies to you.
A useful question to ask the receiving provider is how they want prior eye records organised and whether they need the original image files or accept reports. Do not assume a particular format is required. Ask the named hospital or clinic what it accepts, and confirm whether any images need to be repeated in China. Image quality and recency can affect whether a remote review is meaningful, and that is a clinical judgement the treating team makes.
How to organise the records you send
The most useful submission is not the largest one. It is the one that lets an ophthalmologist see the retina and understand the diabetes context without searching through unrelated documents. A practical approach is to separate your records into three groups: retinal images, diabetes history, and prior eye treatment records. Label each group clearly. If you have a summary letter from your current eye doctor, include it, because it can orient the reviewer quickly.
For retinal images, provide the actual files if you have them, with the date of each study. If you only have printed reports, include those, but be aware that a report describing an image is not the same as the image itself. For diabetes history, include recent HbA1c results, current diabetes medications, and any relevant blood pressure information. For prior eye treatment, include injection records, laser records, and any surgical notes.
If something is missing, say so. A clear statement that 'I do not have my 2023 OCT scans' is more useful than silence, because it tells the reviewer what cannot be assessed from the records alone. The clinical team can then decide whether the available information is sufficient for a preliminary opinion or whether more is needed.
- Retinal images: colour fundus photographs, OCT scans, fluorescein angiography, with dates.
- Diabetes history: duration, current management, recent HbA1c and blood pressure results.
- Prior eye treatment: injections, laser, surgery, with dates and types where known.
- Current eye follow-up: monitoring interval, active treatment, or pending procedures.
- A short summary letter from your current eye doctor, if available.
What a records-based review can and cannot establish
A review of your retinal images and diabetes history by a Chinese ophthalmologist can help clarify what the images show and what treatment categories might be worth discussing. It can identify whether the records are sufficient for a meaningful opinion, and it can highlight questions the treating team will need to answer in person. It cannot confirm that you are a candidate for a specific procedure, because that requires an examination and often additional imaging.
This distinction matters for planning. If you are considering travel to China for diabetic retinopathy care, the review stage is about understanding your situation and preparing for a clinical assessment, not about securing a treatment commitment in advance. The hospital decides suitability after it has seen you and any tests it considers necessary.
You should also be clear about the limits of any remote opinion. A specialist reviewing images from another country may not be able to assess certain features that require a slit-lamp examination or dynamic testing. If the review raises questions that cannot be answered from the records, those become part of the in-person assessment rather than a reason to delay local care if your vision is changing or you have urgent symptoms.
Practical next step for an overseas patient
If you want to explore diabetic retinopathy care in China, start by gathering the three groups of records described above: retinal images, diabetes history, and prior eye treatment details. You do not need to send a complete medical archive at first contact. A brief summary of your situation and your main question is enough for an initial enquiry, and the team can then explain how to share records securely.
An initial enquiry is free and does not commit you to any paid service. If a records-based specialist opinion would be useful before you decide whether to travel, that can be discussed separately, but it is not a prerequisite for every appointment. The relevant next step is to ask what the receiving hospital needs to review your case and what its own assessment process involves.
For more detail on how diabetic retinopathy is assessed and treated in China, see the related procedure reference. If your vision is worsening rapidly, you have new floaters or flashes, or you have sudden vision loss, seek local urgent eye care rather than waiting for an overseas enquiry.
Sources & scope of this guide
References and official service information relevant to this guide.
This is general planning information and has not been individually reviewed by a doctor. Medical decisions and personal treatment advice come from your treating clinicians.