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Retinal imaging means taking photos or scans of the back of the eye. These images document the retina, macula, and optic nerve area. Clinics use them to spot changes, compare visits, and guide treatment plans. The exact test depends on symptoms and history.
read more about retinal imaging ...Retinal photos capture surface details like bleeding, drusen, and pigment changes. OCT scans show cross-sections of retinal layers. Some clinics use OCT angiography to map blood flow without dye. Dye angiography can be used when a closer look at leakage is needed.
Imaging can show swelling in the macula, changes linked with diabetes, and signs of macular degeneration. It can also document optic nerve changes tied to glaucoma. Widefield photos can capture more of the peripheral retina. Findings are reviewed together with vision symptoms and the eye exam.
Most imaging is quick and painless, though flashes can feel bright. You may rest your chin on a support while the camera takes pictures. Dilating drops are sometimes used to get a clearer view. If you are dilated, near vision can be blurry for a few hours.
Some people get baseline images, then repeat testing at set follow-up visits. Repeat timing depends on diagnosis and how stable the eye looks. New symptoms like distortion or sudden blur can lead to earlier imaging. Flashes, a burst of floaters, or a curtain-like shadow needs urgent care.
No. The tests are noncontact in many clinics. The bright light can feel intense, but it should not cause pain.
Blurry near vision usually comes from dilating drops. The effect can last a few hours. Sunglasses can help with light sensitivity outside.
OCT is one type of retinal imaging. Retinal imaging can also mean photos, widefield scans, or blood flow tests. Your report may include more than one test.
Imaging can help document the peripheral retina, but a dilated exam is still a big part of tear detection. If you have flashes, new floaters, or a curtain-like shadow, get checked right away.
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Fundus. American Academy of Ophthalmology. https://www.aao.org/eye-health/anatomy/fundus. Date Accessed February 24, 2026.
What Is Optical Coherence Tomography? American Academy of Ophthalmology. https://www.aao.org/eye-health/treatments/what-is-optical-coherence-tomography. Date Accessed February 24, 2026.
What Is Fluorescein Angiography? American Academy of Ophthalmology. https://www.aao.org/eye-health/treatments/what-is-fluorescein-angiography. Date Accessed February 24, 2026.
Retinal detachment - Symptoms and causes. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/retinal-detachment/symptoms-causes/syc-20351344. Date Accessed February 24, 2026.