Glaucoma is a hereditary eye condition and a leading cause of blindness worldwide. It is commonly referred to as the ‘silent thief of sight’, due to its gradual progression and subtle changes to our vision. If you have a family member who suffered from Glaucoma, it is important to have regular eye exams to monitor for this condition.
What is Glaucoma?
Glaucoma is a condition whereby the optic nerve in the eye is gradually damaged, eventually causing vision loss. The optic nerve transfers the visual information from your eyes to the vision centres of your brain via electrical impulses.
Various changes can affect the optic nerve, including trauma or eye surgery – however, in most cases, it is affected by a build-up of pressure within the eye.
Am I Likely to get Glaucoma?
Estimates indicate that as many as half of all Australian glaucoma sufferers (or a whopping 150,000 people) are unaware they have glaucoma.
What are the Signs & Symptoms of Glaucoma?
Glaucoma progresses slowly and causes a loss of vision from the outside in. Our eyes can independently compensate for one another, meaning that people can be completely unaware they have Glaucoma or that their vision is deteriorating. As such, Glaucoma is often not detected until the later stages, when a significant amount of vision may have been lost and cannot be restored.
Unlike Macular Degeneration, self-monitoring for Glaucoma is not possible. Signs and symptoms progress so gradually that it can be very difficult to tell whether you are experiencing vision loss. This is why it is so important to have regular eye examinations, where your optometrist will measure the pressure within the eye as well as monitor the health of the eye and optic nerve, and conduct further testing if needed.
The earlier glaucoma is detected, the more likely further vision loss will be prevented.
Can Glaucoma be Treated or Prevented?
At this stage, glaucoma cannot be cured and once vision has been lost, it cannot be restored. Glaucoma can however be effectively controlled to minimise its progression. Treatment involves the life-long use of eye drops, while surgery and laser treatment may be used in some circumstances. Newer treatments are currently also being trialled.
If eye drops are prescribed by your ophthalmologist for glaucoma, you must adhere to the instructions given on how and when to use the drops for the treatment to be effective. Remember, prevention is the best treatment!
If you’d like more information on glaucoma, drop in or make an appointment today!
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