Glaucoma Eye disease 

 Glaucoma is a disease that can damage the eyes and it usually happen when the fluid pressure inside the eyes slowly rises then it will damaging the optic nerve.There are no symptoms at first without treatment people will lose their side vision.So that over time, straight-ahead vision may decrease until no vision.

symptoms:

• Gradual loss of peripheral vision, usually in both eyes.
• Tunnel vision in the advanced stages.
• Severe eye pain
• Nausea and vomiting (accompanying the severe eye pain)
• Sudden onset of visual disturbance, often in low light
• Blurred vision
• Halos around lights
• Reddening of the eye