Glacoma is a common Eye disease where the optic nerve which connects the eye to the brain becomes damaged. It can lead to vision loss if did'nt treated on time. Usually it increase the pressure inside eye. It most commonly affect the people on the of 70-80.
It usually does'nt begin with any noticable symptomps. If you do not notice any symptoms, they might include blurred vision or seeing rainbow coloured circle around bright lights.