Glaucoma is one of the leading causes of irreversible blindness worldwide. According to the World Health Organization and the World Glaucoma Association, an estimated 80 million people globally are living with glaucoma, and over 8 million people are already blind as a result of the condition. Many of these cases could have been prevented through early detection and treatment.
World Glaucoma Week serves as a reminder that protecting your vision starts with awareness and routine eye examinations.
What Is Glaucoma?
Glaucoma is a group of eye conditions that damage the optic nerve — the critical connection between the eye and the brain. This damage is often associated with increased pressure inside the eye (intraocular pressure), though it can also occur with normal pressure levels.
Because optic nerve damage is permanent, untreated glaucoma can result in progressive and irreversible vision loss.
Why Glaucoma Is Called the “Silent Thief of Sight”
One of the greatest dangers of glaucoma is that it develops slowly and without pain. In most cases:
- There are no early warning signs
- Peripheral (side) vision is affected first
- Central vision remains normal until later stages
By the time symptoms become noticeable, significant and permanent damage may already have occurred.
Who is at Higher Risk?
While glaucoma can affect anyone, risk increases for:
- Individuals over the age of 40
- People with a family history of glaucoma
- Those living with diabetes or high blood pressure
- Individuals who have experienced eye trauma
- Long-term steroid users
Regular eye examinations are especially important for those in higher-risk groups.
Warning Signs to Take Seriously
Most forms of glaucoma do not cause symptoms in early stages. However, advanced or acute glaucoma may present with:
- Gradual loss of side vision
- Tunnel vision
- Sudden eye pain
- Blurred vision
- Headaches
- Halos around lights
Sudden changes in vision or severe eye pain require urgent medical attention.
How is Glaucoma Diagnosed?
Glaucoma is detected through comprehensive eye examinations that may include:
- Measurement of eye pressure
- Examination of the optic nerve
- Visual field testing
- Retinal imaging
These tests are painless and critical for early detection.
Can Glaucoma Be Treated?
Although vision already lost cannot be restored, early treatment can slow or prevent further damage. Treatment options may include:
- Prescription eye drops
- Oral medication
- Laser therapy
- Surgical intervention in certain cases
The earlier glaucoma is diagnosed, the better the chance of preserving vision.
Protecting Your Vision
World Glaucoma Week highlights the importance of routine eye checks — even when vision feels normal. Eye examinations are not only about correcting eyesight but also about identifying silent conditions before permanent damage occurs.
If you are over 40, have risk factors, or have not had an eye examination recently, consider booking an assessment. Early detection protects sight.
For more information:
www.kiaathospital.com
1 Kiaat Ridge Boulevard, Mbombela
013 590 9150 | info@kiaathospital.com







