Diabetic Retinopathy (Retinopathy in Diabetes): Diagnosis and Treatment
In diabetes, the retina can be damaged gradually, without pain or sudden vision loss. Therefore, diabetic retinopathy is often detected during an examination, before the patient notices any significant changes.
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Symptoms of diabetic retinopathy appear late, when retinal changes are already pronounced. Initially, vision remains normal, which can be a distraction. The first sign is often a slight blur or loss of clarity.
As the disease progresses, floating spots, dark spots, and distorted lines may appear. A sudden drop in vision indicates hemorrhage or edema in the central retinal area. Any of these signs is a reason to see an ophthalmologist.
Complaints arise in the later stages, so relying solely on how you feel is risky. A person with diabetes may not notice retinal changes for years. Regular examinations can detect problems before they affect vision.
General information
Stages and Complications of the Disease
The disease goes through several stages, and the treatment strategy depends on each. As it progresses, vascular changes intensify, and the risk of vision loss increases. Let's look at the stages in order.
Non-Proliferative Stage
In the first stage, microaneurysms and small hemorrhages appear in the retinal vessels. Vision is usually unaffected, and the person doesn't notice the changes. The key here is monitoring and controlling diabetes to slow the progression.
The danger of the early stage is that it's almost unnoticeable. The patient feels well and often misses routine examinations. It is during this period that monitoring is most beneficial, as the process can still be slowed.
Pre-Proliferative Stage
Vascular changes intensify, and areas of the retina begin to experience oxygen deprivation. Complaints of fog and decreased visual acuity are possible. At this stage, a more in-depth diagnosis is necessary, and treatment is prescribed as indicated.
Proliferative stage and macular edema
In the late stage, new, defective vessels grow in response to oxygen deprivation, leading to neovascularization. These vessels rupture easily, causing hemorrhages into the vitreous. A separate threat is macular edema, which affects central vision.
| Stage | What's happening | Possible complaints | What is usually done |
|---|---|---|---|
| Non-proliferative | Initial changes in retinal vessels | May not have any complaints | Monitoring, diabetes control |
| Pre-proliferative | Increasing vascular changes | Fog, decreased clarity | In-depth diagnostics, treatment according to Indications |
| Proliferative | Appearance of new pathological vessels | Sharp deterioration of vision, hemorrhages | Laser, injections, surgery as indicated |
The table shows how the tactics change from stage to stage. The exact stage is determined by the doctor based on the results of a retinal examination.
When is an urgent ophthalmologist consultation needed?
Some symptoms should not be postponed until a scheduled appointment. They indicate hemorrhage or swelling that threatens vision. In these cases, an urgent consultation with an ophthalmologist is necessary for diabetes.
You should see a doctor immediately if:
- A sudden decline in vision
- The appearance of floating spots, flashes, or fog
- A sensation of a curtain in front of the eye
These symptoms develop quickly and require immediate examination. Delaying the appointment increases the risk of irreversible changes.
Before your appointment, do not change your diabetes treatment regimen or take vascular medications on your own. Any changes should be discussed with your doctor, otherwise the situation may worsen. If you experience any alarming symptoms, it is best to call the clinic immediately and describe your complaints.
Prevention and control of vision in diabetes
Vision in diabetes requires regular monitoring. A fundus examination is necessary even if you feel well and your blood sugar is stable. The frequency of visits is determined by your doctor based on your stage.
Discipline in basic treatment is essential: maintaining stable glucose levels and controlling blood pressure. These measures slow down damage to the retinal vessels and delay complications. Preventing complications is easier than treating advanced disease.
It's helpful to combine visits to an ophthalmologist and an endocrinologist to get the full picture. Early diagnosis remains the key to preventing vision loss. Therefore, eye exams should be a routine.
Frequently Asked Questions
Is it possible to stop diabetic retinopathy?
How often should eyes be examined with diabetes?
Does laser or injections always need to be used for diabetic retinopathy?
What symptoms require urgent ophthalmologist attention?
Conclusion
Retinopathy in diabetes is dangerous because it can develop latently for a long time and only manifest itself in the later stages. Early diagnosis and blood sugar control help prevent irreversible retinal changes.
Don't delay an examination: schedule an ophthalmologist consultation to check the condition of your fundus and preserve your vision.
With diabetes, retinal changes can develop unnoticed, without pain or significant symptoms, so relying solely on how you feel is dangerous. Your doctor will evaluate the retinal vessels, examine the central areas of the fundus, and determine your risks based on the duration of your diabetes and your blood sugar control. Based on the examination results, the patient receives clear recommendations:
- When to return
- What symptoms require an unscheduled visit?
- Is treatment necessary?
Regular monitoring helps detect changes early, initiate appropriate therapy, and reduce the risk of diabetes complications.
References
- Clinical Guidelines of the Ministry of Health of the Russian Federation — https://cr.minzdrav.gov.ru/
- Russian Medical Journal (Ophthalmology) — https://www.rmj.ru/articles/oftalmologiya/
- Ophthalmology Bulletin — https://www.mediasphera.ru/journal/vestnik-oftalmologii
- Ophthalmologist portal EyePress - https://eyepress.ru/
- CyberLeninka (diabetic retinopathy) - https://cyberleninka.ru/
- eLIBRARY - scientific publications - https://elibrary.ru/
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What is diabetic retinopathy and how does it develop?
Diabetic retinopathy is a retinal vascular disorder caused by diabetes. High glucose levels gradually damage the walls of the small blood vessels that supply the retina. This deprives the tissue of oxygen, and vision deteriorates over time.
The process develops over years and initially produces no symptoms. The blood vessels become fragile, leaking fluid and blood, and areas of hemorrhage appear. The longer high blood sugar persists, the more severe the damage to the fundus.
The changes affect both eyes, although not always equally. In the early stages, a person sees normally and is unaware of the problem. Therefore, regular eye exams are more important than waiting for symptoms to appear.