Cataracts are one of the most common reasons for vision loss of people over the age of 40. But, the occurrence of this condition is often underestimated. This is one of the most common causes of blindness. This guide will give you the detailed information of cataracts leading to blindness.
Blindness can occur due to different causes. Cataracts can be treated but if you avoid taking medical help then it can result in blindness. In most cases, the person will experience symptoms that get worse with time. The individual can adjust the level of light in the home by wearing the prescription lenses. But, if the problem gets severe then it can affect your ability to perform the daily task properly and also put your safety at risk. You need to consult the eye doctor and he will let you know whether you need to get the cataract surgery right away to deal with this condition.
What are the causes of blindness?
Blindness means total vision loss, but its medical term is different. The term partial blindness means loss of vision which leads to limited visual input. Even when you wear contact lenses, everything is not visible, but you can see the shapes or colors. With complete blindness, nothing is visible even the light
The problem of partial and complete blindness is congenital which means you might be born with it or it can begin in early childhood. There are different reasons for vision loss which includes:
- An accident or injury which leads to eye loss or trauma.
- Diabetes leads to nerve degeneration, including in the eye.
- Complications from an eye surgery
- Blocked blood vessels from a blood clot
- Macular degeneration.
- Lazy eye.
- Eye-specific diseases like cataracts
What are the reasons cataracts lead to blindness?
Cataracts are the degenerative problem in the eye lens. Due to this condition, the protein in the eye is breaking down. It might seem refractive error at first which develops blurry vision or you are not able to focus on the objects present at a distance. You need to talk to the doctor because he can tell you better what the issue is.
Symptoms of Cataracts
- Blurry vision.
- Foggy or “dusty” vision.
- Light Sensitivity
- Seeing double.
- Difficulty seeing well at night
- Yellowing of colors.
- Needing more light to read or perform close tasks.
Types of Cataracts which lead to visual changes
- Nuclear cataracts are a slight change in reading up-close vision. With time, the eye lens gets cloudy or brown which changes the ability to see light & color.
- Cortical cataracts are formed at the vision edge. If this condition is not treated the problem can get worse.
- Posterior subcapsular cataracts are small which are the lens back and they impact the way light gets filtered. In this condition, the reading vision is affected and you may have halos around light, especially in the night.