15 May 2026 · glaucoma, screening, preventive care
Eye Pressure: A Silent Threat
A short guide to why glaucoma must be caught early and which screenings are recommended.
The most insidious feature of glaucoma is that it typically progresses without complaints. Visual-field loss starts at the periphery; it is hard to notice until the central vision is affected. That is why the disease is known in medicine as “the silent thief of sight”.
Who Should Be Screened Early?
- Anyone over 40 — once a year
- Those with a family history of glaucoma — from age 35
- Patients with diabetes or hypertension
- Long-term corticosteroid users
- High myopes or hyperopes
What Does the Examination Include?
A proper glaucoma screening is not just an intraocular pressure measurement. It also includes:
- Visual-field testing (perimetry)
- Retinal nerve-fiber layer thickness with OCT
- Gonioscopy to evaluate the anterior chamber angle
Even if the eye pressure alone looks normal, a silent injury to the optic nerve may already be underway.
Prospects with Treatment
Glaucoma is a manageable disease — but lost vision cannot be restored. When caught early, a single drop a day is often enough for most patients.