Health Library
Eyes, Ears & Senses
Some changes in vision or hearing are inconvenient; others are time-sensitive. Learn the difference before waiting too long.
Guides
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Read what is relevant now. If a red flag is present, seek medical care rather than continuing to self-diagnose online.
Sudden Vision Loss or a Painful Red Eye: Do Not Wait
Sudden visual loss and a painful red eye can be time-sensitive eye emergencies. Learn why acute glaucoma and other causes need urgent assessment.
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Flashes and Floaters: When a New Shower of Spots Needs Urgent Eye Review
Floaters are common, but a sudden increase with flashes or a curtain-like shadow can signal a retinal tear or detachment.
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Sudden Hearing Loss: Why “Blocked Ear” Can Be Time-Sensitive
Sudden sensorineural hearing loss can feel like a blocked ear and needs prompt medical assessment. Learn which pattern should not wait.
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Tinnitus: Ringing in the Ears, Hearing Changes and When to Check
Tinnitus is common and often benign, but one-sided, pulsating or hearing-loss-associated tinnitus deserves proper assessment.
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Diabetic Retinopathy: Why Eye Screening Matters Before Vision Changes
Diabetes can damage the retina before vision seems obviously different. Learn why regular eye screening and glucose/blood-pressure control matter.
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Cataracts: Gradual Blurred Vision, Glare and When to Get Checked
Cataracts usually develop gradually and can cause blur, glare or difficulty at night. Learn why an eye examination is useful when vision changes.
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