# Why should you have an eye exam before diabetic retinopathy symptoms appear? Canonical page: https://clinicsjo.com/en/faq/why-eye-exam-before-diabetic-retinopathy-symptoms Language: en Category: ophthalmology Publisher: ClinicsJo Published: 2026-09-13T17:52:53.668Z Content updated: 2026-09-13T17:52:53.668Z Translation (ar): https://clinicsjo.com/ar/faq/why-eye-exam-before-diabetic-retinopathy-symptoms You must have an eye exam before symptoms of diabetic retinopathy appear because the early stages of this condition often show no clear symptoms, meaning damage may occur without the patient noticing [\[4\]](). A comprehensive eye exam allows for the detection of changes in the tiny blood vessels of the retina, such as swelling or leakage, before they worsen and lead to permanent vision loss [\[1\]](). This early detection enables timely therapeutic intervention to protect your vision. ## The Importance of Early Detection of Diabetic Retinopathy Diabetic retinopathy is a complication of diabetes that affects the blood vessels in the retina, the light-sensitive tissue at the back of the eye [\[1\]](). Over time, high blood sugar levels can damage these vessels, causing fluid leakage or bleeding [\[4\]](). In many cases, people with diabetic retinopathy do not realize there is a problem in the early stages, as there may be no symptoms at all [\[4\]](). However, the damage may have already begun, and if left untreated, it can progress to more serious conditions such as diabetic macular edema or retinal detachment, leading to vision loss or blindness [\[4\]](). ## How Does an Eye Exam Detect Diabetic Retinopathy? A comprehensive, dilated eye exam involves using drops to widen the pupil, which allows the ophthalmologist to clearly view the retina and search for signs of damage [\[4\]](). The doctor can observe damaged blood vessels, bleeding, swelling, or the growth of new, abnormal blood vessels [\[1\]](). Additional exams may include Optical Coherence Tomography (OCT) to obtain detailed images of the inside of the eye, or fluorescein angiography to examine the blood vessels in the retina [\[1\]](). These tests help determine the extent of the damage and guide the appropriate treatment plan. ## Who Needs Regular Eye Exams? People with type 1 or type 2 diabetes need regular eye monitoring, typically with an annual dilated exam, with the timing scheduled based on exam results and risk factors. If diabetes existed before pregnancy, retinal problems may develop or worsen during pregnancy, so early follow-up and additional exams are arranged as needed. Diabetes that begins only during pregnancy (gestational) usually does not cause diabetic eye disease during the pregnancy, and its diagnosis alone does not mean the same retinopathy screening schedule must be applied. Consult your doctor about the appropriate exam, and do not ignore any new visual symptoms [\[5\]](). ## What Happens if Diabetic Retinopathy Is Detected Early? If diabetic retinopathy is detected in its early stages, the doctor can monitor the condition closely. In more advanced stages, immediate treatment can help prevent further damage and preserve vision [\[4\]](). Treatment options include injections of anti-VEGF medications or corticosteroids, laser treatment to shrink leaking blood vessels, and surgery in severe cases [\[4\]](). Additionally, managing blood sugar levels, blood pressure, and cholesterol effectively are critical steps to prevent diabetic retinopathy or slow its progression [\[4\]](). For more information on early screening for diabetic retinopathy, you can visit [Early Screening for Diabetic Retinopathy (Arabic)](). ## Medical references - [Retinal Disorders]() - [Diabetic Retinopathy | National Eye Institute]() - [Diabetic Eye Disease - NIDDK]() General health education; not a substitute for individualized clinical assessment. Citation URL: https://clinicsjo.com/en/faq/why-eye-exam-before-diabetic-retinopathy-symptoms#answer