- fumes
- eye injury
- eye allergies
- smoking e.g. marijuana
- infections like conjunctivitis or 'apolo'
- eye strain from computer use
- acute glaucoma, etc
It's one common eye hint which most people can easily trace the cause
Severe malaria, sick cell crisis, massive blood loss, hookworm, etc, can all cause anemia
The whiter your conjunctiva looks, the worse the level of anemia.
If blood sugar builds up too high, small blood vessels in the retina can get blocked, swell, burst & bleed.
If not treated, this can potentially lead to outright loss of sight.
It can be due to pollen, dust, paints, fumes or other allergens.
Antihistamine eye drops can help, although some oral antihistamines can cause dry eyes which may worsen the problem.
So seeing your doctor is a good option.
Some diseases called autoimmune diseases (e.g. Sjögren's syndrome), can also destroy the glands that produce tears causing dry eyes.
See your doctor.
In people with high blood pressure or steroid abusers, blurry vision is a dangerous sign that warrants seeing a doctor urgently.
Some people with migraines may also see flashes. But if there's sudden increase in the size & number of flashes, there might be something more to it.
In some patients, this comes with yellowish bumps in the eyelids.
Older patients are likely to have such rings.
Good to have their cholesterol levels checked.
These are just some clues you can pick up with little or no training.
Skilled healthcare providers can see a lot more signs in your eyes including cancers, nerve problems, etc, esp if they use instruments.
Those with existing problems like diabetes or high BP need even more checks to pick up & treat any eye issues early enough to avoid losing their sight.
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You can save your eyes & life by recognizing these simple eye hints.
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