Specialty
The retina converts light into signals at the back of the eye, and retinal problems can cause flashes, floaters, distortion, missing areas, central blur,.
Articles
Retina
If many new floaters appear suddenly, especially with flashes, or you notice a dark curtain, shadow, or new blurry area, see an eye doctor or go to an emergency room right away. Do this today, before waiting for a routine test appointment.
10 min read · Updated Sep 23, 2026
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Retina
Sudden-onset vision loss in one eye needs a complete dilated eye examination to identify the cause, and retinal artery occlusion needs urgent emergency-department evaluation at a stroke center.
9 min read · Updated Sep 23, 2026
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Retina
Learn how a retinal examination, photographs, fundus autofluorescence, and OCT work together when geographic atrophy is assessed.
8 min read · Updated Sep 15, 2026
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Retina
Learn what nonproliferative diabetic retinopathy may mean, what to discuss at an eye visit, and when prompt care may be needed.
5 min read · Updated Sep 14, 2026
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Retina
See how a dilated exam, OCT, retinal photographs, and fluorescein angiography answer different questions when diabetic macular edema is suspected.
5 min read · Updated Sep 9, 2026
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Retina
Track how geographic atrophy affects reading, faces, objects, movement, safety, and independence without turning tasks into home tests.
8 min read · Updated Sep 8, 2026
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Retina
Map low-light and side-vision barriers after a retinitis pigmentosa diagnosis and take new changes to the retinal care team.
8 min read · Updated Sep 8, 2026
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Retina
New central blur, wavy lines, or dull colors deserve an eye exam. Use a short note to report what changed and when.
6 min read · Updated Sep 2, 2026
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Retina
Learn why sudden vision loss linked to retinal artery occlusion needs emergency assessment and what information to bring.
6 min read · Updated Sep 2, 2026
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Retina Diabetes
Diabetic eye disease can progress while central vision remains normal because early retinal damage may not involve the area used for sharp sight.
6 min read · Updated Aug 1, 2026
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Retina Diagnosis
The most important test for suspected conversion from dry to wet age-related macular degeneration is often structural optical coherence tomography, or OCT, interpreted with symptoms and a dilated retinal examination.
6 min read · Updated Aug 1, 2026
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Retina Urgent Care
New floaters and flashes in the same eye should be assessed the same day because the combination can occur when the vitreous pulls on the retina and causes a tear.
6 min read · Updated Aug 1, 2026
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Retina Diagnosis
OCT angiography maps motion from blood cells to show retinal and choroidal vessel patterns without injected dye.
6 min read · Updated Aug 1, 2026
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Retina Diagnosis
Retinal OCT biomarkers are imaging features that help clinicians diagnose disease, estimate risk, monitor activity, or discuss prognosis.
6 min read · Updated Aug 1, 2026
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Retina Urgent Care
A sudden burst of floaters, repeated flashes, a dark curtain or shadow, or a new missing area of vision can signal a retinal tear or detachment.
7 min read · Updated Aug 1, 2026
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Retina Diagnosis
Subclinical CNV, now often called nonexudative macular neovascularization, means OCT angiography shows an abnormal vascular network without the fluid, bleeding, or other exudation used to define active wet AMD.
6 min read · Updated Aug 1, 2026
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Retina
A ring-shaped floater often forms when the vitreous separates from the optic nerve. It suggests posterior vitreous detachment but does not rule out a retinal tear.
6 min read · Updated Jul 29, 2026
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