Glaucoma is the second commonest cause of blindness; cataracts being the first. Glaucoma has been nicknamed ‘The sneak-thief of sight’ as it is often a slow and gradual progression that leads to optic nerve damage and can therefore often go undetected until it is too late and damage has already been caused. This is why it is so important to have regular eye examinations and checkups by your opthamologist or eye specialist. Gradually, over time, glaucoma will lead to the loss of ganglion cells in the retina of the eye which project the images we see to the brain. These cells convert the images that we see into very small electrical impulses which the brain then translates into what we perceive as our sight. When these cells become.