Blindness

About- Blindness also known as visual impairment or vision loss is the complete or partial loss of vision.

Symptoms-
If you’re completely blind, you can see nothing. If you’re partially blind
the following symptoms are
 Cloudy vision
 An inability to see shapes
 Seeing only shadows
 Night-blindness (Nyctalopia)
 Tunnel vision
 
Causes-
 Glaucoma 
 Macular degeneration 
 Cataracts 
 lazy eye 
 Optic neuritis 
 Retinitis pigmentosa 
 Tumors in the retina or optic nerves such as retinoblastoma and optic glioma
 Accidents or injuries to the surface of the eye
 Blocked blood vessels
 Stroke
 Uncorrected refractive errors
 Diabetic retinopathy
 Corneal opacity
 Trachoma
 Complications of premature birth (retrolental fibroplasia)
 Complications of eye surgery
 
Specialists to Visit
 Ophthalmologist

 Optometrist

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Blindness
References-
https://en.wikipedia.org
https://www.healthline.com
https://www.nhs.uk
https://www.who.int
https://medlineplus.gov

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