How long does it take to go blind from Glaucoma? - Dr. Sunita Rana Agarwal

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Glaucoma is a thief in the night. So it is going to take away from you that vision. That vision and the time that it takes is going to depend on what is the pressure in the eye. When the pressure in the eye steps up, it produces a pressure upon the optic nerve. Thus slowly killing the optic nerve. If this pressure in the eye is above 30 mm of mercury, within 3 years, with no treatment the patient is going to go blind. If the pressure of the eyeball is above 25 to 30 mm of mercury, it will take him 7 years to go blind. If the pressure is above 21, which is the normal and between 21 to 25 mm of mercury, it will take the patient 15 years without treatment to go blind. However what usually happens in our patients is that the spikes will come like everything in life is a parabolic curve. So there is a time when the pressure is too high, and we have crossed 30 and the duration may not be so much. There will be a time when it goes to 20, which is normal. Once again, the duration will not be too much. So accumulating the durations of the time when the eyeball pressure was over 30 mm of mercury and when that crosses over 1000 days, that patient is going to go blind.