Are you at risk? How to detect glaucoma before it’s too late

Could you be losing your sight without knowing it? Glaucoma often shows no early symptoms, silently damaging your eyes. Learn the subtle signs to watch for and protect your vision before it’s too late.

New Delhi: Glaucoma is a group of eye disorders that gradually damage the optic nerve, often due to increased pressure in the eye. According to the World Health Organization, glaucoma is one of the leading causes of irreversible blindness worldwide.

The most alarming aspect? It often progresses silently, showing few or no symptoms in its early stages.

1. Gradual Loss of Peripheral Vision

One of the earliest warning signs of glaucoma is the slow loss of side vision. Patients may not notice it initially, as central vision often remains sharp. Over time, this “tunnel vision” becomes more pronounced, making everyday activities like driving or navigating crowded spaces difficult. Routine eye exams can detect these subtle changes before significant vision loss occurs.

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2. Frequent Eye Strain and Headaches

Persistent eye strain, especially after reading or screen time, can be an early indicator of increased eye pressure. Glaucoma can cause headaches, particularly around the eyes or temples, as the optic nerve becomes stressed. While eye strain is common for many, a combination of these symptoms with other signs should prompt a thorough check-up.

3. Seeing Halos Around Lights

Glaucoma can interfere with how the eye handles light, leading to the appearance of halos or rainbow-like rings around lights. This symptom is often more noticeable at night or in dim lighting conditions. If you begin seeing halos frequently, it may indicate elevated intraocular pressure, a hallmark of glaucoma.

4. Eye Redness and Mild Discomfort

Red or irritated eyes, along with a feeling of pressure or mild discomfort, can sometimes signal glaucoma. While these symptoms are not exclusive to the condition, when combined with visual changes, they should not be ignored. Early evaluation by an ophthalmologist can confirm the cause and prevent further damage.

5. Sudden Vision Changes in Advanced Cases

In acute glaucoma, vision may suddenly blur, and patients might experience severe eye pain, nausea, or vomiting. This is a medical emergency, and immediate treatment is essential to prevent permanent vision loss. While less common, awareness of these warning signs can be lifesaving for the eyes.

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Early Detection Saves Sight

Glaucoma cannot be reversed once optic nerve damage occurs. However, regular eye examinations, particularly for individuals over 40 or with a family history of the disease, can detect the condition early. Eye specialists may recommend eye drops, medications, or even surgery to manage eye pressure and preserve vision.

Final Advice

Don’t wait for symptoms to worsen. Early detection and proactive care are critical in preventing glaucoma-related blindness. If you notice any changes in your vision, persistent headaches, or unusual eye discomfort, consult an ophthalmologist immediately. Your sight is too precious to risk.