Deep research and expert guides on maintaining your visual health.
The Nighttime Blood Pressure Dip: A Hidden Driver in Normal-Tension Glaucoma Normal-tension glaucoma (NTG) is a type of glaucoma where the optic nerve deteriorates even though eye pressure is normal. In NTG, experts believe blood flow to the optic nerve plays a key role. The ocular perfusion pressure (OPP) – roughly the difference between blood pressure in the eye’s vessels and the eye’s internal...
Visual field loss means losing part of the area you can see while staring straight ahead. It can affect peripheral vision, central vision, or both, depending on the cause. Common causes include eye diseases like glaucoma, damage to the optic nerve, stroke, or problems in the brain that process sight. People with visual field loss often notice blank spots, difficulty seeing objects to the side, or trouble reading and navigating unfamiliar places. Tests in an eye clinic can map exactly which parts of the field are missing and help doctors track change over time. Early detection matters because some causes can be treated or slowed, and the sooner treatment begins the better the chance of preserving remaining vision. Even when the underlying cause cannot be cured, rehabilitation strategies like training, visual aids, and home adaptations can help people stay independent and safe. Visual field loss can affect daily activities such as driving, walking in busy areas, and performing detailed tasks, so it often requires practical adjustments. Regular eye exams, paying attention to symptoms, and working with health professionals improve the chances of managing the condition successfully. Understanding and addressing visual field loss early helps protect quality of life and reduces the risk of accidents or isolation.
