Chandigarh, Health

Glaucoma week: Here’s why blindness cases are on rise

Low brain pressure may raise the risk of developing glaucoma. One type of glaucoma is a disorder caused by pressure inside the eye. This condition is known as elevated intraocular pressure (IOP), and it is frequently detected in those over 60. IOP is one of the leading causes of blindness.

After cataracts and uncorrected refractive errors, glaucoma is the third most common cause of blindness, but it can be prevented or stabilized with early detection and treatment. Glaucoma is a progressive optic nerve head neuropathy.

There will be 76 million people with glaucoma in the world between the ages of 40 and 80 in 2020, with India expected to carry 20% of the burden. Several population-based studies conducted in 2010 revealed that there were 11.2 million people in India who were 40 years of age or older who had glaucoma. The prevalence of glaucoma was roughly twice as high in urban than in rural areas.

Being older, having a family history of glaucoma, and having higher intraocular pressure are all risk factors for primary glaucoma (IOP). Although long-sightedness, female sex, and diabetes have a stronger correlation with angle closure glaucoma than myopia (short-sightedness), which is a risk factor for the open angle variety. Many ocular or systemic conditions frequently cause secondary glaucoma.

Estimated secondary glaucoma prevalence in India ranges from 0.1% to 21.8%. Many risk factors, such as diabetes, hypertension, heart disease, prior ocular trauma or surgery, extensive cataracts, or even protracted steroid usage, predispose to secondary glaucoma. For a more thorough analysis of the cost-effectiveness of glaucoma education, screening, and diagnosis methods, more region-specific population-based research are required.

The one that we refer to as a point is referred to as black water here. That is a separate illness from pearl point, or what we call cataract—the white water that stays in the thick point. The natural lens in our eye calms down, but in conditions like vitreous point, glaucoma, or black water illness, the optic nerve, the layer at the back of the eye called the retina, the ganglion layer, and the retinal fiber layer are all damaged, which keeps our eye’s field of vision intact. In other words, as the vast field we perceive via our eyes steadily shrinks, our eye’s pressure—which we refer to as “rock pressure”—increases.

Our field of vision and, eventually, our ability to see are both impacted in some glaucoma cases as a result of the rise in pressure in the back vein. Glaucoma ranks second after cataracts as one of the main causes of blindness. Sadly, there is a cause for some people’s blindness. Glaucoma is a factor. Many patients find it difficult to understand this. When we conduct the patient’s full examination, we unknowingly see that his posterior vein is constricted, his eye pressure has increased, and his field of vision has been affected. His cellular layer has gotten worse. He does have a retention fiber cell layer defect when he reaches this stage.

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