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Eye Conditions
Eye Problems Chart
August 18, 2026

| Signs & Symptoms | What It Could Be | What to Do |
|---|---|---|
| Sudden loss of all or part of vision in one or both eyes. If in one eye, with sudden weakness or numbness on one side | Stroke | Get medical care fast! Call 9-1-1. |
| Vision loss after head or eye injury. Sudden vision loss or blurred vision, or sudden increase in dark spots/lines (floaters) or flashes of light | Detached or torn retina | Get medical care fast! |
| Severe pain in and above the eye. Eye redness, swollen upper eyelid. Dilated and fixed pupil. Very blurred vision, halos around lights. | Angle-closure glaucoma (also called closed-angle glaucoma) | Get medical care fast! |
| Object or chemical in the eye | Eye irritation or injury | Get medical care fast! |
| Gradual loss of side vision. Blurred vision. Halos around lights. Poor night vision. | Open-angle or chronic glaucoma | Contact eye doctor. |
| Dark or blind spot in center of vision. Blurred or cloudy vision. Straight lines look wavy. | Macular degeneration | Contact eye doctor. |
| Cloudy, fuzzy, foggy, or filmy vision. Halos around lights. Problems with glare from lamps or the sun. | Cataract | Contact eye doctor. |
| Pus discharge from the eye; the white of the eye and eyelid are red; crusting of the eyelid in the morning; feeling of sand in the eye | Conjunctivitis (“Pink Eye”) | Use self-care. |
| Firm lump on eyelid or tender pimple on the edge of the eyelid | Stye | Use self-care. |
| Seeing small dark spots, squiggly lines, or flashes of light | Floaters and/or flashes | Call eye doctor for an appointment and advice. |
| Blurred vision when you look at close objects; headaches; eyestrain | “Aging Eyes” or presbyopia | Call eye doctor for an appointment and advice. |