New Delhi: Glaucoma is one of the most serious eye diseases in the world and a major cause of permanent blindness. Doctors often call it the “silent thief of sight” because it slowly damages vision without showing clear symptoms in the early stages. Many people only realise they have glaucoma when their eyesight has already been badly affected.
Health experts say it is very important to spread awareness about glaucoma because early detection and healthy lifestyle habits can help protect eyesight and prevent serious damage.
Table of contents
What Is Glaucoma
Glaucoma is not just one disease. It is a group of eye conditions that damage the optic nerve. The optic nerve carries visual information from the eye to the brain, which allows us to see clearly.
When the optic nerve becomes damaged, the brain cannot receive proper signals from the eye. This leads to gradual loss of vision.
In many cases, glaucoma happens because pressure inside the eye becomes too high. Doctors call this intraocular pressure. This pressure increases when fluid inside the eye does not drain properly.
If glaucoma is not treated in time, the damage to the optic nerve becomes permanent and may lead to irreversible blindness.
The Silent Thief of Sight
Glaucoma is dangerous because it develops slowly and often without pain or clear warning signs in the early stages.
At first, a person’s vision may seem normal. The disease usually affects side vision first, while central vision remains clear until the later stages.
Because of this, many people do not realise that their eyesight is slowly getting worse. Experts say a large number of people who have glaucoma do not know they have the disease, which is why awareness is very important.
Types of Glaucoma
Doctors say there are different types of glaucoma, but the two most common ones are open-angle glaucoma and angle-closure glaucoma.
Open-angle glaucoma is the most common type. It develops slowly when the eye’s drainage system stops working properly. This causes pressure to build up in the eye and damage the optic nerve over time. People usually notice symptoms only in the later stages.
Angle-closure glaucoma is less common but more serious because it can appear suddenly. It can cause severe eye pain, headaches, blurred vision, nausea, vomiting and halos around lights. Doctors treat this as a medical emergency and it requires immediate treatment.
Who Is at Risk?
Anyone can develop glaucoma, but some people have a higher risk.
People above the age of 40 are more likely to develop the disease. Those who have a family history of glaucoma are also at greater risk.
Other risk factors include diabetes, high blood pressure, high eye pressure and past eye injuries.
Using steroid medicines for a long time can also increase the risk. Doctors say the chances of glaucoma increase further after the age of 60, which is why regular eye check-ups become very important as people grow older.
Early Signs
Glaucoma often does not show clear symptoms in the early stages, but some warning signs may appear later.
These signs may include gradual loss of side vision, difficulty seeing in dim light, blurred vision, seeing halos around lights, eye pain, headaches and frequent changes in glasses.
However, many people do not notice any symptoms in the beginning. Because of this, doctors strongly recommend regular eye tests.
Why Early Detection Is Important
Early detection is the best way to prevent serious vision loss caused by glaucoma.
Doctors can detect glaucoma through several eye tests. These include checking eye pressure, examining the optic nerve, testing side vision and measuring corneal thickness.
If glaucoma is detected early, doctors can control it with medicines, laser treatment or surgery. Although there is no permanent cure, proper treatment can slow down the disease and help people protect their eyesight.
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Lifestyle Habits That Help Protect Vision
Although glaucoma cannot always be prevented, certain healthy habits can help reduce the risk and support good eye health.
Regular eye check-ups are the most important step. Experts recommend getting eye tests every one to two years after the age of 40. People who have risk factors may need more frequent check-ups.
Regular exercise can also help reduce pressure in the eyes and improve blood flow to the optic nerve. Activities such as walking, cycling and swimming are good for overall health and eye health.
Eating a healthy and balanced diet also helps protect vision. Doctors recommend foods such as leafy green vegetables, citrus fruits, fish rich in omega-3 fatty acids, nuts and whole grains. These foods contain nutrients that support eye health.
Avoiding smoking is also important because tobacco can damage blood vessels that supply the eyes.
Managing health conditions such as diabetes and high blood pressure is another important step because these illnesses can increase the risk of glaucoma.
People should also protect their eyes from injuries by wearing protective eyewear during sports or risky work.
Experts also advise reducing eye strain from long hours of screen use. The 20-20-20 rule can help. This means looking at something 20 feet away for 20 seconds after every 20 minutes of screen time.
Global Awareness Efforts
Health organisations around the world run awareness campaigns to inform people about glaucoma and the importance of early detection.
These campaigns often include free eye check-ups and public awareness programmes.
Events such as World Glaucoma Week encourage people to learn about the disease and get regular eye tests.
Growing Concern Worldwide
Health experts say the number of glaucoma cases is increasing around the world, mainly because people are living longer.
Without proper awareness and regular screening, millions of people could lose their vision unnecessarily.
However, doctors say that timely diagnosis and proper treatment can help most patients protect their eyesight and avoid serious vision problems.
Conclusion
Glaucoma is a serious eye disease that can slowly damage vision without clear symptoms. Many people do not realise they have the condition until their eyesight is already affected.
Doctors say regular eye examinations, healthy lifestyle habits and better public awareness can help prevent blindness caused by glaucoma and protect the vision of millions of people.
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khushisikarwar is an award-winning journalist and content creator who thrives on telling stories that matter. As a key contributor to Newsisland, [she] focus on cultural commentary, providing readers with thought-provoking insights.
