Blindness is the inability to see anything, including light. If you're partially blind, you have limited vision. For example, you may have blurry vision or the inability to distinguish the shapes of objects. Complete blindness means you can't see at all.
Blindness can be the result of a variety of causes; the most common are Cataracts, Glaucoma, Macular Degeneration and Diabetic Retinopathy.
Worldwide, between 300 and 400 million people are visually impaired. Of this group, approximately 50 million people are totally blind, of which almost 85% in third-world countries. 80% of blindness occurs in individuals of 50 years or older.
What are the symptoms of blindness?
- cloudy vision.
- an inability to see shapes.
- seeing only shadows.
- poor night vision.
- tunnel vision.
The level of blindness and the possibility to restore eye-sight is dependent on the cause of blindness. In some cases, such as Cataract, surgery may help to completely or partially restore sight. In other cases, blindness is permanent and cannot be reversed. People who become blind may require re-education and reorganization of their habits to allow them to do everyday tasks in different ways. There are countless people with blindness who, despite significant handicaps, lead full and enriched lives.
There s a wide range of products available to help people with sight loss to live as independently and safely as possible.
Learn more about the wide range of aids and equipment that could help people who are blind:
The information provided on this site is intended for your general knowledge only and is not a substitute for professional medical advice.